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Commit 2e3fb275 authored by jameslahm's avatar jameslahm Committed by V8 LUCI CQ
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[test] Move cctest/test-bignum to unittests 

... /base/bignum-unittest.

Bug: v8:12781
Change-Id: I217dd7c4ef59cf1fdbe83a268d0288c38f0e9d4d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3599401Reviewed-by: 's avatarLeszek Swirski <leszeks@chromium.org>
Commit-Queue: 王澳 <wangao.james@bytedance.com>
Cr-Commit-Position: refs/heads/main@{#80138}
parent e1705d47
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Showing with 1502 additions and 1 deletion
test/cctest/BUILD.gn
View file @ 2e3fb275
...@@ -194,7 +194,6 @@ v8_source_set("cctest_sources") { ...@@ -194,7 +194,6 @@ v8_source_set("cctest_sources") {
"test-api.h", "test-api.h",
"test-atomicops.cc", "test-atomicops.cc",
"test-bignum-dtoa.cc", "test-bignum-dtoa.cc",
"test-bignum.cc",
"test-circular-queue.cc", "test-circular-queue.cc",
"test-code-layout.cc", "test-code-layout.cc",
"test-code-stub-assembler.cc", "test-code-stub-assembler.cc",
......
test/unittests/BUILD.gn
View file @ 2e3fb275
...@@ -215,6 +215,7 @@ v8_source_set("unittests_sources") { ...@@ -215,6 +215,7 @@ v8_source_set("unittests_sources") {
"api/v8-object-unittest.cc", "api/v8-object-unittest.cc",
"base/address-region-unittest.cc", "base/address-region-unittest.cc",
"base/atomic-utils-unittest.cc", "base/atomic-utils-unittest.cc",
"base/bignum-unittest.cc",
"base/bits-unittest.cc", "base/bits-unittest.cc",
"base/cpu-unittest.cc", "base/cpu-unittest.cc",
"base/division-by-constant-unittest.cc", "base/division-by-constant-unittest.cc",
......
test/cctest/test-bignum.cc → test/unittests/base/bignum-unittest.cc
View file @ 2e3fb275
// Copyright 2010 the V8 project authors. All rights reserved. // Copyright 2022 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without // Use of this source code is governed by a BSD-style license that can be
// modification, are permitted provided that the following conditions are // found in the LICENSE file.
// met:
// #include "src/base/numbers/bignum.h"
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h> #include <stdlib.h>
#include "src/base/numbers/bignum.h"
#include "src/base/platform/platform.h" #include "src/base/platform/platform.h"
#include "src/init/v8.h" #include "src/init/v8.h"
#include "test/cctest/cctest.h" #include "test/unittests/test-utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace v8 { namespace v8 {
using BignumTest = ::testing::Test;
namespace base { namespace base {
namespace test_bignum { namespace test_bignum {
...@@ -46,213 +28,209 @@ static void AssignDecimalString(Bignum* bignum, const char* str) { ...@@ -46,213 +28,209 @@ static void AssignDecimalString(Bignum* bignum, const char* str) {
bignum->AssignDecimalString(CStrVector(str)); bignum->AssignDecimalString(CStrVector(str));
} }
TEST(Assign) { TEST_F(BignumTest, Assign) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
Bignum bignum2; Bignum bignum2;
bignum.AssignUInt16(0); bignum.AssignUInt16(0);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
bignum.AssignUInt16(0xA); bignum.AssignUInt16(0xA);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A", buffer)); EXPECT_EQ(0, strcmp("A", buffer));
bignum.AssignUInt16(0x20); bignum.AssignUInt16(0x20);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("20", buffer)); EXPECT_EQ(0, strcmp("20", buffer));
bignum.AssignUInt64(0); bignum.AssignUInt64(0);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
bignum.AssignUInt64(0xA); bignum.AssignUInt64(0xA);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A", buffer)); EXPECT_EQ(0, strcmp("A", buffer));
bignum.AssignUInt64(0x20); bignum.AssignUInt64(0x20);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("20", buffer)); EXPECT_EQ(0, strcmp("20", buffer));
bignum.AssignUInt64(0x100); bignum.AssignUInt64(0x100);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100", buffer)); EXPECT_EQ(0, strcmp("100", buffer));
// The first real test, since this will not fit into one bigit. // The first real test, since this will not fit into one bigit.
bignum.AssignUInt64(0x12345678); bignum.AssignUInt64(0x12345678);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("12345678", buffer)); EXPECT_EQ(0, strcmp("12345678", buffer));
uint64_t big = 0xFFFF'FFFF'FFFF'FFFF; uint64_t big = 0xFFFF'FFFF'FFFF'FFFF;
bignum.AssignUInt64(big); bignum.AssignUInt64(big);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFFFFF", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFFFFF", buffer));
big = 0x1234'5678'9ABC'DEF0; big = 0x1234'5678'9ABC'DEF0;
bignum.AssignUInt64(big); bignum.AssignUInt64(big);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("123456789ABCDEF0", buffer)); EXPECT_EQ(0, strcmp("123456789ABCDEF0", buffer));
bignum2.AssignBignum(bignum); bignum2.AssignBignum(bignum);
CHECK(bignum2.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum2.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("123456789ABCDEF0", buffer)); EXPECT_EQ(0, strcmp("123456789ABCDEF0", buffer));
AssignDecimalString(&bignum, "0"); AssignDecimalString(&bignum, "0");
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
AssignDecimalString(&bignum, "1"); AssignDecimalString(&bignum, "1");
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
AssignDecimalString(&bignum, "1234567890"); AssignDecimalString(&bignum, "1234567890");
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("499602D2", buffer)); EXPECT_EQ(0, strcmp("499602D2", buffer));
AssignHexString(&bignum, "0"); AssignHexString(&bignum, "0");
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
AssignHexString(&bignum, "123456789ABCDEF0"); AssignHexString(&bignum, "123456789ABCDEF0");
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("123456789ABCDEF0", buffer)); EXPECT_EQ(0, strcmp("123456789ABCDEF0", buffer));
} }
TEST_F(BignumTest, ShiftLeft) {
TEST(ShiftLeft) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
AssignHexString(&bignum, "0"); AssignHexString(&bignum, "0");
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.ShiftLeft(1); bignum.ShiftLeft(1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2", buffer)); EXPECT_EQ(0, strcmp("2", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.ShiftLeft(4); bignum.ShiftLeft(4);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10", buffer)); EXPECT_EQ(0, strcmp("10", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.ShiftLeft(32); bignum.ShiftLeft(32);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100000000", buffer)); EXPECT_EQ(0, strcmp("100000000", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.ShiftLeft(64); bignum.ShiftLeft(64);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000000", buffer));
AssignHexString(&bignum, "123456789ABCDEF"); AssignHexString(&bignum, "123456789ABCDEF");
bignum.ShiftLeft(64); bignum.ShiftLeft(64);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("123456789ABCDEF0000000000000000", buffer)); EXPECT_EQ(0, strcmp("123456789ABCDEF0000000000000000", buffer));
bignum.ShiftLeft(1); bignum.ShiftLeft(1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2468ACF13579BDE0000000000000000", buffer)); EXPECT_EQ(0, strcmp("2468ACF13579BDE0000000000000000", buffer));
} }
TEST_F(BignumTest, AddUInt64) {
TEST(AddUInt64) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
AssignHexString(&bignum, "0"); AssignHexString(&bignum, "0");
bignum.AddUInt64(0xA); bignum.AddUInt64(0xA);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A", buffer)); EXPECT_EQ(0, strcmp("A", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.AddUInt64(0xA); bignum.AddUInt64(0xA);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("B", buffer)); EXPECT_EQ(0, strcmp("B", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.AddUInt64(0x100); bignum.AddUInt64(0x100);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("101", buffer)); EXPECT_EQ(0, strcmp("101", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.AddUInt64(0xFFFF); bignum.AddUInt64(0xFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000", buffer)); EXPECT_EQ(0, strcmp("10000", buffer));
AssignHexString(&bignum, "FFFFFFF"); AssignHexString(&bignum, "FFFFFFF");
bignum.AddUInt64(0x1); bignum.AddUInt64(0x1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000", buffer)); EXPECT_EQ(0, strcmp("10000000", buffer));
AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); AssignHexString(&bignum, "10000000000000000000000000000000000000000000");
bignum.AddUInt64(0xFFFF); bignum.AddUInt64(0xFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1000000000000000000000000000000000000000FFFF", buffer)); EXPECT_EQ(0, strcmp("1000000000000000000000000000000000000000FFFF", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
bignum.AddUInt64(0x1); bignum.AddUInt64(0x1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100000000000000000000000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("100000000000000000000000000000000000000000000", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
bignum.AddUInt64(1); bignum.AddUInt64(1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000000000001", buffer)); EXPECT_EQ(0, strcmp("10000000000000000000000001", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
bignum.AddUInt64(0xFFFF); bignum.AddUInt64(0xFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1000000000000000000000FFFF", buffer)); EXPECT_EQ(0, strcmp("1000000000000000000000FFFF", buffer));
AssignHexString(&bignum, "0"); AssignHexString(&bignum, "0");
bignum.AddUInt64(0xA'0000'0000); bignum.AddUInt64(0xA'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A00000000", buffer)); EXPECT_EQ(0, strcmp("A00000000", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.AddUInt64(0xA'0000'0000); bignum.AddUInt64(0xA'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A00000001", buffer)); EXPECT_EQ(0, strcmp("A00000001", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.AddUInt64(0x100'0000'0000); bignum.AddUInt64(0x100'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000001", buffer)); EXPECT_EQ(0, strcmp("10000000001", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.AddUInt64(0xFFFF'0000'0000); bignum.AddUInt64(0xFFFF'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFF00000001", buffer)); EXPECT_EQ(0, strcmp("FFFF00000001", buffer));
AssignHexString(&bignum, "FFFFFFF"); AssignHexString(&bignum, "FFFFFFF");
bignum.AddUInt64(0x1'0000'0000); bignum.AddUInt64(0x1'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10FFFFFFF", buffer)); EXPECT_EQ(0, strcmp("10FFFFFFF", buffer));
AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); AssignHexString(&bignum, "10000000000000000000000000000000000000000000");
bignum.AddUInt64(0xFFFF'0000'0000); bignum.AddUInt64(0xFFFF'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000000000000000000FFFF00000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000000000000000000000FFFF00000000", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
bignum.AddUInt64(0x1'0000'0000); bignum.AddUInt64(0x1'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1000000000000000000000000000000000000FFFFFFFF", buffer)); EXPECT_EQ(0, strcmp("1000000000000000000000000000000000000FFFFFFFF", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
bignum.AddUInt64(0x1'0000'0000); bignum.AddUInt64(0x1'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000100000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000000100000000", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
bignum.AddUInt64(0xFFFF'0000'0000); bignum.AddUInt64(0xFFFF'0000'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000FFFF00000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000FFFF00000000", buffer));
} }
TEST_F(BignumTest, AddBignum) {
TEST(AddBignum) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
Bignum other; Bignum other;
...@@ -260,89 +238,88 @@ TEST(AddBignum) { ...@@ -260,89 +238,88 @@ TEST(AddBignum) {
AssignHexString(&other, "1"); AssignHexString(&other, "1");
AssignHexString(&bignum, "0"); AssignHexString(&bignum, "0");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2", buffer)); EXPECT_EQ(0, strcmp("2", buffer));
AssignHexString(&bignum, "FFFFFFF"); AssignHexString(&bignum, "FFFFFFF");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000", buffer)); EXPECT_EQ(0, strcmp("10000000", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFF");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100000000000000", buffer)); EXPECT_EQ(0, strcmp("100000000000000", buffer));
AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); AssignHexString(&bignum, "10000000000000000000000000000000000000000000");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000000000000000000000000000001", buffer)); EXPECT_EQ(0, strcmp("10000000000000000000000000000000000000000001", buffer));
AssignHexString(&other, "1000000000000"); AssignHexString(&other, "1000000000000");
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1000000000001", buffer)); EXPECT_EQ(0, strcmp("1000000000001", buffer));
AssignHexString(&bignum, "FFFFFFF"); AssignHexString(&bignum, "FFFFFFF");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100000FFFFFFF", buffer)); EXPECT_EQ(0, strcmp("100000FFFFFFF", buffer));
AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); AssignHexString(&bignum, "10000000000000000000000000000000000000000000");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000000000000000001000000000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000000000000000000001000000000000", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1000000000000000000000000000000FFFFFFFFFFFF", buffer)); EXPECT_EQ(0, strcmp("1000000000000000000000000000000FFFFFFFFFFFF", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000001000000000000", buffer)); EXPECT_EQ(0, strcmp("10000000000001000000000000", buffer));
other.ShiftLeft(64); other.ShiftLeft(64);
// other == "10000000000000000000000000000" // other == "10000000000000000000000000000"
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000000000000001", buffer)); EXPECT_EQ(0, strcmp("10000000000000000000000000001", buffer));
AssignHexString(&bignum, "FFFFFFF"); AssignHexString(&bignum, "FFFFFFF");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1000000000000000000000FFFFFFF", buffer)); EXPECT_EQ(0, strcmp("1000000000000000000000FFFFFFF", buffer));
AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); AssignHexString(&bignum, "10000000000000000000000000000000000000000000");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000010000000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000010000000000000000000000000000", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFF", buffer)); EXPECT_EQ(0, strcmp("100000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFF", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
bignum.AddBignum(other); bignum.AddBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10010000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("10010000000000000000000000000", buffer));
} }
TEST_F(BignumTest, SubtractBignum) {
TEST(SubtractBignum) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
Bignum other; Bignum other;
...@@ -350,64 +327,64 @@ TEST(SubtractBignum) { ...@@ -350,64 +327,64 @@ TEST(SubtractBignum) {
AssignHexString(&bignum, "1"); AssignHexString(&bignum, "1");
AssignHexString(&other, "0"); AssignHexString(&other, "0");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
AssignHexString(&bignum, "2"); AssignHexString(&bignum, "2");
AssignHexString(&other, "0"); AssignHexString(&other, "0");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2", buffer)); EXPECT_EQ(0, strcmp("2", buffer));
AssignHexString(&bignum, "10000000"); AssignHexString(&bignum, "10000000");
AssignHexString(&other, "1"); AssignHexString(&other, "1");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFF", buffer)); EXPECT_EQ(0, strcmp("FFFFFFF", buffer));
AssignHexString(&bignum, "100000000000000"); AssignHexString(&bignum, "100000000000000");
AssignHexString(&other, "1"); AssignHexString(&other, "1");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFFF", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFFF", buffer));
AssignHexString(&bignum, "10000000000000000000000000000000000000000001"); AssignHexString(&bignum, "10000000000000000000000000000000000000000001");
AssignHexString(&other, "1"); AssignHexString(&other, "1");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000000000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000000000000000000000000000000000", buffer));
AssignHexString(&bignum, "1000000000001"); AssignHexString(&bignum, "1000000000001");
AssignHexString(&other, "1000000000000"); AssignHexString(&other, "1000000000000");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
AssignHexString(&bignum, "100000FFFFFFF"); AssignHexString(&bignum, "100000FFFFFFF");
AssignHexString(&other, "1000000000000"); AssignHexString(&other, "1000000000000");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFF", buffer)); EXPECT_EQ(0, strcmp("FFFFFFF", buffer));
AssignHexString(&bignum, "10000000000000000000000000000001000000000000"); AssignHexString(&bignum, "10000000000000000000000000000001000000000000");
AssignHexString(&other, "1000000000000"); AssignHexString(&other, "1000000000000");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000000000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000000000000000000000000000000000", buffer));
AssignHexString(&bignum, "1000000000000000000000000000000FFFFFFFFFFFF"); AssignHexString(&bignum, "1000000000000000000000000000000FFFFFFFFFFFF");
AssignHexString(&other, "1000000000000"); AssignHexString(&other, "1000000000000");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "10 0000 0000 0000 0000 0000 0000" // "10 0000 0000 0000 0000 0000 0000"
AssignHexString(&other, "1000000000000"); AssignHexString(&other, "1000000000000");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFF000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFF000000000000", buffer));
AssignHexString(&other, "1000000000000"); AssignHexString(&other, "1000000000000");
other.ShiftLeft(48); other.ShiftLeft(48);
...@@ -417,8 +394,8 @@ TEST(SubtractBignum) { ...@@ -417,8 +394,8 @@ TEST(SubtractBignum) {
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// bignum == "10000000000000000000000000" // bignum == "10000000000000000000000000"
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("F000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("F000000000000000000000000", buffer));
other.AssignUInt16(0x1); other.AssignUInt16(0x1);
other.ShiftLeft(35); other.ShiftLeft(35);
...@@ -427,453 +404,436 @@ TEST(SubtractBignum) { ...@@ -427,453 +404,436 @@ TEST(SubtractBignum) {
bignum.ShiftLeft(60); bignum.ShiftLeft(60);
// bignum = FFFFFFF000000000000000 // bignum = FFFFFFF000000000000000
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFEFFFFFF800000000", buffer)); EXPECT_EQ(0, strcmp("FFFFFFEFFFFFF800000000", buffer));
AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); AssignHexString(&bignum, "10000000000000000000000000000000000000000000");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF800000000", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF800000000", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
bignum.SubtractBignum(other); bignum.SubtractBignum(other);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFF", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFF", buffer));
} }
TEST_F(BignumTest, MultiplyUInt32) {
TEST(MultiplyUInt32) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
AssignHexString(&bignum, "0"); AssignHexString(&bignum, "0");
bignum.MultiplyByUInt32(0x25); bignum.MultiplyByUInt32(0x25);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
AssignHexString(&bignum, "2"); AssignHexString(&bignum, "2");
bignum.MultiplyByUInt32(0x5); bignum.MultiplyByUInt32(0x5);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A", buffer)); EXPECT_EQ(0, strcmp("A", buffer));
AssignHexString(&bignum, "10000000"); AssignHexString(&bignum, "10000000");
bignum.MultiplyByUInt32(0x9); bignum.MultiplyByUInt32(0x9);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("90000000", buffer)); EXPECT_EQ(0, strcmp("90000000", buffer));
AssignHexString(&bignum, "100000000000000"); AssignHexString(&bignum, "100000000000000");
bignum.MultiplyByUInt32(0xFFFF); bignum.MultiplyByUInt32(0xFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFF00000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFF00000000000000", buffer));
AssignHexString(&bignum, "100000000000000"); AssignHexString(&bignum, "100000000000000");
bignum.MultiplyByUInt32(0xFFFFFFFF); bignum.MultiplyByUInt32(0xFFFFFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFF00000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFF00000000000000", buffer));
AssignHexString(&bignum, "1234567ABCD"); AssignHexString(&bignum, "1234567ABCD");
bignum.MultiplyByUInt32(0xFFF); bignum.MultiplyByUInt32(0xFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("12333335552433", buffer)); EXPECT_EQ(0, strcmp("12333335552433", buffer));
AssignHexString(&bignum, "1234567ABCD"); AssignHexString(&bignum, "1234567ABCD");
bignum.MultiplyByUInt32(0xFFFFFFF); bignum.MultiplyByUInt32(0xFFFFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("12345679998A985433", buffer)); EXPECT_EQ(0, strcmp("12345679998A985433", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFF");
bignum.MultiplyByUInt32(0x2); bignum.MultiplyByUInt32(0x2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1FFFFFFFFFFFFFFFE", buffer)); EXPECT_EQ(0, strcmp("1FFFFFFFFFFFFFFFE", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFF");
bignum.MultiplyByUInt32(0x4); bignum.MultiplyByUInt32(0x4);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("3FFFFFFFFFFFFFFFC", buffer)); EXPECT_EQ(0, strcmp("3FFFFFFFFFFFFFFFC", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFF");
bignum.MultiplyByUInt32(0xF); bignum.MultiplyByUInt32(0xF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("EFFFFFFFFFFFFFFF1", buffer)); EXPECT_EQ(0, strcmp("EFFFFFFFFFFFFFFF1", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFF");
bignum.MultiplyByUInt32(0xFFFFFF); bignum.MultiplyByUInt32(0xFFFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFEFFFFFFFFFF000001", buffer)); EXPECT_EQ(0, strcmp("FFFFFEFFFFFFFFFF000001", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "10 0000 0000 0000 0000 0000 0000" // "10 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt32(2); bignum.MultiplyByUInt32(2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("20000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("20000000000000000000000000", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "10 0000 0000 0000 0000 0000 0000" // "10 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt32(0xF); bignum.MultiplyByUInt32(0xF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("F0000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("F0000000000000000000000000", buffer));
bignum.AssignUInt16(0xFFFF); bignum.AssignUInt16(0xFFFF);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "FFFF0 0000 0000 0000 0000 0000 0000" // "FFFF0 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt32(0xFFFF); bignum.MultiplyByUInt32(0xFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFE00010000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFE00010000000000000000000000000", buffer));
bignum.AssignUInt16(0xFFFF); bignum.AssignUInt16(0xFFFF);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "FFFF0 0000 0000 0000 0000 0000 0000" // "FFFF0 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt32(0xFFFFFFFF); bignum.MultiplyByUInt32(0xFFFFFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFEFFFF00010000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFEFFFF00010000000000000000000000000", buffer));
bignum.AssignUInt16(0xFFFF); bignum.AssignUInt16(0xFFFF);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "FFFF0 0000 0000 0000 0000 0000 0000" // "FFFF0 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt32(0xFFFFFFFF); bignum.MultiplyByUInt32(0xFFFFFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFEFFFF00010000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFEFFFF00010000000000000000000000000", buffer));
AssignDecimalString(&bignum, "15611230384529777"); AssignDecimalString(&bignum, "15611230384529777");
bignum.MultiplyByUInt32(10000000); bignum.MultiplyByUInt32(10000000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("210EDD6D4CDD2580EE80", buffer)); EXPECT_EQ(0, strcmp("210EDD6D4CDD2580EE80", buffer));
} }
TEST_F(BignumTest, MultiplyUInt64) {
TEST(MultiplyUInt64) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
AssignHexString(&bignum, "0"); AssignHexString(&bignum, "0");
bignum.MultiplyByUInt64(0x25); bignum.MultiplyByUInt64(0x25);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
AssignHexString(&bignum, "2"); AssignHexString(&bignum, "2");
bignum.MultiplyByUInt64(0x5); bignum.MultiplyByUInt64(0x5);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A", buffer)); EXPECT_EQ(0, strcmp("A", buffer));
AssignHexString(&bignum, "10000000"); AssignHexString(&bignum, "10000000");
bignum.MultiplyByUInt64(0x9); bignum.MultiplyByUInt64(0x9);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("90000000", buffer)); EXPECT_EQ(0, strcmp("90000000", buffer));
AssignHexString(&bignum, "100000000000000"); AssignHexString(&bignum, "100000000000000");
bignum.MultiplyByUInt64(0xFFFF); bignum.MultiplyByUInt64(0xFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFF00000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFF00000000000000", buffer));
AssignHexString(&bignum, "100000000000000"); AssignHexString(&bignum, "100000000000000");
bignum.MultiplyByUInt64(0xFFFF'FFFF'FFFF'FFFF); bignum.MultiplyByUInt64(0xFFFF'FFFF'FFFF'FFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFFFFF00000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFFFFF00000000000000", buffer));
AssignHexString(&bignum, "1234567ABCD"); AssignHexString(&bignum, "1234567ABCD");
bignum.MultiplyByUInt64(0xFFF); bignum.MultiplyByUInt64(0xFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("12333335552433", buffer)); EXPECT_EQ(0, strcmp("12333335552433", buffer));
AssignHexString(&bignum, "1234567ABCD"); AssignHexString(&bignum, "1234567ABCD");
bignum.MultiplyByUInt64(0xFF'FFFF'FFFF); bignum.MultiplyByUInt64(0xFF'FFFF'FFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1234567ABCBDCBA985433", buffer)); EXPECT_EQ(0, strcmp("1234567ABCBDCBA985433", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFF");
bignum.MultiplyByUInt64(0x2); bignum.MultiplyByUInt64(0x2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1FFFFFFFFFFFFFFFE", buffer)); EXPECT_EQ(0, strcmp("1FFFFFFFFFFFFFFFE", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFF");
bignum.MultiplyByUInt64(0x4); bignum.MultiplyByUInt64(0x4);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("3FFFFFFFFFFFFFFFC", buffer)); EXPECT_EQ(0, strcmp("3FFFFFFFFFFFFFFFC", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFF");
bignum.MultiplyByUInt64(0xF); bignum.MultiplyByUInt64(0xF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("EFFFFFFFFFFFFFFF1", buffer)); EXPECT_EQ(0, strcmp("EFFFFFFFFFFFFFFF1", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFFFF");
bignum.MultiplyByUInt64(0xFFFF'FFFF'FFFF'FFFF); bignum.MultiplyByUInt64(0xFFFF'FFFF'FFFF'FFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFFFFE0000000000000001", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFFFFE0000000000000001", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "10 0000 0000 0000 0000 0000 0000" // "10 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt64(2); bignum.MultiplyByUInt64(2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("20000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("20000000000000000000000000", buffer));
bignum.AssignUInt16(0x1); bignum.AssignUInt16(0x1);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "10 0000 0000 0000 0000 0000 0000" // "10 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt64(0xF); bignum.MultiplyByUInt64(0xF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("F0000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("F0000000000000000000000000", buffer));
bignum.AssignUInt16(0xFFFF); bignum.AssignUInt16(0xFFFF);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "FFFF0 0000 0000 0000 0000 0000 0000" // "FFFF0 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt64(0xFFFF); bignum.MultiplyByUInt64(0xFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFE00010000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFE00010000000000000000000000000", buffer));
bignum.AssignUInt16(0xFFFF); bignum.AssignUInt16(0xFFFF);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "FFFF0 0000 0000 0000 0000 0000 0000" // "FFFF0 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt64(0xFFFFFFFF); bignum.MultiplyByUInt64(0xFFFFFFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFEFFFF00010000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFEFFFF00010000000000000000000000000", buffer));
bignum.AssignUInt16(0xFFFF); bignum.AssignUInt16(0xFFFF);
bignum.ShiftLeft(100); bignum.ShiftLeft(100);
// "FFFF0 0000 0000 0000 0000 0000 0000" // "FFFF0 0000 0000 0000 0000 0000 0000"
bignum.MultiplyByUInt64(0xFFFF'FFFF'FFFF'FFFF); bignum.MultiplyByUInt64(0xFFFF'FFFF'FFFF'FFFF);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFEFFFFFFFFFFFF00010000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("FFFEFFFFFFFFFFFF00010000000000000000000000000", buffer));
AssignDecimalString(&bignum, "15611230384529777"); AssignDecimalString(&bignum, "15611230384529777");
bignum.MultiplyByUInt64(0x8AC7'2304'89E8'0000); bignum.MultiplyByUInt64(0x8AC7'2304'89E8'0000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1E10EE4B11D15A7F3DE7F3C7680000", buffer)); EXPECT_EQ(0, strcmp("1E10EE4B11D15A7F3DE7F3C7680000", buffer));
} }
TEST_F(BignumTest, MultiplyPowerOfTen) {
TEST(MultiplyPowerOfTen) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(1); bignum.MultiplyByPowerOfTen(1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("3034", buffer)); EXPECT_EQ(0, strcmp("3034", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(2); bignum.MultiplyByPowerOfTen(2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1E208", buffer)); EXPECT_EQ(0, strcmp("1E208", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(3); bignum.MultiplyByPowerOfTen(3);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("12D450", buffer)); EXPECT_EQ(0, strcmp("12D450", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(4); bignum.MultiplyByPowerOfTen(4);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("BC4B20", buffer)); EXPECT_EQ(0, strcmp("BC4B20", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(5); bignum.MultiplyByPowerOfTen(5);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("75AEF40", buffer)); EXPECT_EQ(0, strcmp("75AEF40", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(6); bignum.MultiplyByPowerOfTen(6);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("498D5880", buffer)); EXPECT_EQ(0, strcmp("498D5880", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(7); bignum.MultiplyByPowerOfTen(7);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2DF857500", buffer)); EXPECT_EQ(0, strcmp("2DF857500", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(8); bignum.MultiplyByPowerOfTen(8);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1CBB369200", buffer)); EXPECT_EQ(0, strcmp("1CBB369200", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(9); bignum.MultiplyByPowerOfTen(9);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("11F5021B400", buffer)); EXPECT_EQ(0, strcmp("11F5021B400", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(10); bignum.MultiplyByPowerOfTen(10);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("B3921510800", buffer)); EXPECT_EQ(0, strcmp("B3921510800", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(11); bignum.MultiplyByPowerOfTen(11);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("703B4D2A5000", buffer)); EXPECT_EQ(0, strcmp("703B4D2A5000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(12); bignum.MultiplyByPowerOfTen(12);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("4625103A72000", buffer)); EXPECT_EQ(0, strcmp("4625103A72000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(13); bignum.MultiplyByPowerOfTen(13);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2BD72A24874000", buffer)); EXPECT_EQ(0, strcmp("2BD72A24874000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(14); bignum.MultiplyByPowerOfTen(14);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1B667A56D488000", buffer)); EXPECT_EQ(0, strcmp("1B667A56D488000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(15); bignum.MultiplyByPowerOfTen(15);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("11200C7644D50000", buffer)); EXPECT_EQ(0, strcmp("11200C7644D50000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(16); bignum.MultiplyByPowerOfTen(16);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("AB407C9EB0520000", buffer)); EXPECT_EQ(0, strcmp("AB407C9EB0520000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(17); bignum.MultiplyByPowerOfTen(17);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("6B084DE32E3340000", buffer)); EXPECT_EQ(0, strcmp("6B084DE32E3340000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(18); bignum.MultiplyByPowerOfTen(18);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("42E530ADFCE0080000", buffer)); EXPECT_EQ(0, strcmp("42E530ADFCE0080000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(19); bignum.MultiplyByPowerOfTen(19);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("29CF3E6CBE0C0500000", buffer)); EXPECT_EQ(0, strcmp("29CF3E6CBE0C0500000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(20); bignum.MultiplyByPowerOfTen(20);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1A218703F6C783200000", buffer)); EXPECT_EQ(0, strcmp("1A218703F6C783200000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(21); bignum.MultiplyByPowerOfTen(21);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1054F4627A3CB1F400000", buffer)); EXPECT_EQ(0, strcmp("1054F4627A3CB1F400000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(22); bignum.MultiplyByPowerOfTen(22);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A3518BD8C65EF38800000", buffer)); EXPECT_EQ(0, strcmp("A3518BD8C65EF38800000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(23); bignum.MultiplyByPowerOfTen(23);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("6612F7677BFB5835000000", buffer)); EXPECT_EQ(0, strcmp("6612F7677BFB5835000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(24); bignum.MultiplyByPowerOfTen(24);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("3FCBDAA0AD7D17212000000", buffer)); EXPECT_EQ(0, strcmp("3FCBDAA0AD7D17212000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(25); bignum.MultiplyByPowerOfTen(25);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("27DF68A46C6E2E74B4000000", buffer)); EXPECT_EQ(0, strcmp("27DF68A46C6E2E74B4000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(26); bignum.MultiplyByPowerOfTen(26);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("18EBA166C3C4DD08F08000000", buffer)); EXPECT_EQ(0, strcmp("18EBA166C3C4DD08F08000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(27); bignum.MultiplyByPowerOfTen(27);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("F9344E03A5B0A259650000000", buffer)); EXPECT_EQ(0, strcmp("F9344E03A5B0A259650000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(28); bignum.MultiplyByPowerOfTen(28);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("9BC0B0C2478E6577DF20000000", buffer)); EXPECT_EQ(0, strcmp("9BC0B0C2478E6577DF20000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(29); bignum.MultiplyByPowerOfTen(29);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("61586E796CB8FF6AEB740000000", buffer)); EXPECT_EQ(0, strcmp("61586E796CB8FF6AEB740000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(30); bignum.MultiplyByPowerOfTen(30);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("3CD7450BE3F39FA2D32880000000", buffer)); EXPECT_EQ(0, strcmp("3CD7450BE3F39FA2D32880000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(31); bignum.MultiplyByPowerOfTen(31);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("26068B276E7843C5C3F9500000000", buffer)); EXPECT_EQ(0, strcmp("26068B276E7843C5C3F9500000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(50); bignum.MultiplyByPowerOfTen(50);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("149D1B4CFED03B23AB5F4E1196EF45C08000000000000", buffer)); EXPECT_EQ(0, strcmp("149D1B4CFED03B23AB5F4E1196EF45C08000000000000", buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(100); bignum.MultiplyByPowerOfTen(100);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("5827249F27165024FBC47DFCA9359BF316332D1B91ACEECF471FBAB06D9B2"
"5827249F27165024FBC47DFCA9359BF316332D1B91ACEECF471FBAB06D9B2" "0000000000000000000000000",
"0000000000000000000000000", buffer));
buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(200); bignum.MultiplyByPowerOfTen(200);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("64C1F5C06C3816AFBF8DAFD5A3D756365BB0FD020E6F084E759C1F7C99E4F"
"64C1F5C06C3816AFBF8DAFD5A3D756365BB0FD020E6F084E759C1F7C99E4F" "55B9ACC667CEC477EB958C2AEEB3C6C19BA35A1AD30B35C51EB72040920000"
"55B9ACC667CEC477EB958C2AEEB3C6C19BA35A1AD30B35C51EB72040920000" "0000000000000000000000000000000000000000000000",
"0000000000000000000000000000000000000000000000", buffer));
buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(500); bignum.MultiplyByPowerOfTen(500);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("96741A625EB5D7C91039FEB5C5ACD6D9831EDA5B083D800E6019442C8C8223"
"96741A625EB5D7C91039FEB5C5ACD6D9831EDA5B083D800E6019442C8C8223" "3EAFB3501FE2058062221E15121334928880827DEE1EC337A8B26489F3A40A"
"3EAFB3501FE2058062221E15121334928880827DEE1EC337A8B26489F3A40A" "CB440A2423734472D10BFCE886F41B3AF9F9503013D86D088929CA86EEB4D8"
"CB440A2423734472D10BFCE886F41B3AF9F9503013D86D088929CA86EEB4D8" "B9C831D0BD53327B994A0326227CFD0ECBF2EB48B02387AAE2D4CCCDF1F1A1"
"B9C831D0BD53327B994A0326227CFD0ECBF2EB48B02387AAE2D4CCCDF1F1A1" "B8CC4F1FA2C56AD40D0E4DAA9C28CDBF0A549098EA13200000000000000000"
"B8CC4F1FA2C56AD40D0E4DAA9C28CDBF0A549098EA13200000000000000000" "00000000000000000000000000000000000000000000000000000000000000"
"00000000000000000000000000000000000000000000000000000000000000" "0000000000000000000000000000000000000000000000",
"0000000000000000000000000000000000000000000000", buffer));
buffer));
AssignDecimalString(&bignum, "1234"); AssignDecimalString(&bignum, "1234");
bignum.MultiplyByPowerOfTen(1000); bignum.MultiplyByPowerOfTen(1000);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("1258040F99B1CD1CC9819C676D413EA50E4A6A8F114BB0C65418C62D399B81"
"1258040F99B1CD1CC9819C676D413EA50E4A6A8F114BB0C65418C62D399B81" "6361466CA8E095193E1EE97173553597C96673AF67FAFE27A66E7EF2E5EF2E"
"6361466CA8E095193E1EE97173553597C96673AF67FAFE27A66E7EF2E5EF2E" "E3F5F5070CC17FE83BA53D40A66A666A02F9E00B0E11328D2224B8694C7372"
"E3F5F5070CC17FE83BA53D40A66A666A02F9E00B0E11328D2224B8694C7372" "F3D536A0AD1985911BD361496F268E8B23112500EAF9B88A9BC67B2AB04D38"
"F3D536A0AD1985911BD361496F268E8B23112500EAF9B88A9BC67B2AB04D38" "7FEFACD00F5AF4F764F9ABC3ABCDE54612DE38CD90CB6647CA389EA0E86B16"
"7FEFACD00F5AF4F764F9ABC3ABCDE54612DE38CD90CB6647CA389EA0E86B16" "BF7A1F34086E05ADBE00BD1673BE00FAC4B34AF1091E8AD50BA675E0381440"
"BF7A1F34086E05ADBE00BD1673BE00FAC4B34AF1091E8AD50BA675E0381440" "EA8E9D93E75D816BAB37C9844B1441C38FC65CF30ABB71B36433AF26DD97BD"
"EA8E9D93E75D816BAB37C9844B1441C38FC65CF30ABB71B36433AF26DD97BD" "ABBA96C03B4919B8F3515B92826B85462833380DC193D79F69D20DD6038C99"
"ABBA96C03B4919B8F3515B92826B85462833380DC193D79F69D20DD6038C99" "6114EF6C446F0BA28CC772ACBA58B81C04F8FFDE7B18C4E5A3ABC51E637FDF"
"6114EF6C446F0BA28CC772ACBA58B81C04F8FFDE7B18C4E5A3ABC51E637FDF" "6E37FDFF04C940919390F4FF92000000000000000000000000000000000000"
"6E37FDFF04C940919390F4FF92000000000000000000000000000000000000" "00000000000000000000000000000000000000000000000000000000000000"
"00000000000000000000000000000000000000000000000000000000000000" "00000000000000000000000000000000000000000000000000000000000000"
"00000000000000000000000000000000000000000000000000000000000000" "00000000000000000000000000000000000000000000000000000000000000"
"00000000000000000000000000000000000000000000000000000000000000" "0000000000000000000000000000",
"0000000000000000000000000000", buffer));
buffer));
Bignum bignum2; Bignum bignum2;
AssignHexString(&bignum2, "3DA774C07FB5DF54284D09C675A492165B830D5DAAEB2A7501" AssignHexString(&bignum2,
"DA17CF9DFA1CA2282269F92A25A97314296B717E3DCBB9FE17"
"41A842FE2913F540F40796F2381155763502C58B15AF7A7F88"
"6F744C9164FF409A28F7FA0C41F89ED79C1BE9F322C8578B97"
"841F1CBAA17D901BE1230E3C00E1C643AF32638B5674E01FEA"
"96FC90864E621B856A9E1CE56E6EB545B9C2F8F0CC10DDA88D"
"CC6D282605F8DB67044F2DFD3695E7BA63877AE16701536AE6"
"567C794D0BFE338DFBB42D92D4215AF3BB22BF0A8B283FDDC2"
"C667A10958EA6D2");
CHECK(bignum2.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp(
"3DA774C07FB5DF54284D09C675A492165B830D5DAAEB2A7501" "3DA774C07FB5DF54284D09C675A492165B830D5DAAEB2A7501"
"DA17CF9DFA1CA2282269F92A25A97314296B717E3DCBB9FE17" "DA17CF9DFA1CA2282269F92A25A97314296B717E3DCBB9FE17"
"41A842FE2913F540F40796F2381155763502C58B15AF7A7F88" "41A842FE2913F540F40796F2381155763502C58B15AF7A7F88"
...@@ -882,137 +842,139 @@ TEST(MultiplyPowerOfTen) { ...@@ -882,137 +842,139 @@ TEST(MultiplyPowerOfTen) {
"96FC90864E621B856A9E1CE56E6EB545B9C2F8F0CC10DDA88D" "96FC90864E621B856A9E1CE56E6EB545B9C2F8F0CC10DDA88D"
"CC6D282605F8DB67044F2DFD3695E7BA63877AE16701536AE6" "CC6D282605F8DB67044F2DFD3695E7BA63877AE16701536AE6"
"567C794D0BFE338DFBB42D92D4215AF3BB22BF0A8B283FDDC2" "567C794D0BFE338DFBB42D92D4215AF3BB22BF0A8B283FDDC2"
"C667A10958EA6D2", "C667A10958EA6D2");
buffer)); EXPECT_TRUE(bignum2.ToHexString(buffer, kBufferSize));
EXPECT_EQ(0, strcmp("3DA774C07FB5DF54284D09C675A492165B830D5DAAEB2A7501"
"DA17CF9DFA1CA2282269F92A25A97314296B717E3DCBB9FE17"
"41A842FE2913F540F40796F2381155763502C58B15AF7A7F88"
"6F744C9164FF409A28F7FA0C41F89ED79C1BE9F322C8578B97"
"841F1CBAA17D901BE1230E3C00E1C643AF32638B5674E01FEA"
"96FC90864E621B856A9E1CE56E6EB545B9C2F8F0CC10DDA88D"
"CC6D282605F8DB67044F2DFD3695E7BA63877AE16701536AE6"
"567C794D0BFE338DFBB42D92D4215AF3BB22BF0A8B283FDDC2"
"C667A10958EA6D2",
buffer));
bignum.AssignBignum(bignum2); bignum.AssignBignum(bignum2);
bignum.MultiplyByPowerOfTen(1); bignum.MultiplyByPowerOfTen(1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("2688A8F84FD1AB949930261C0986DB4DF931E85A8AD2FA8921284EE1C2BC51"
"2688A8F84FD1AB949930261C0986DB4DF931E85A8AD2FA8921284EE1C2BC51" "E55915823BBA5789E7EC99E326EEE69F543ECE890929DED9AC79489884BE57"
"E55915823BBA5789E7EC99E326EEE69F543ECE890929DED9AC79489884BE57" "630AD569E121BB76ED8DAC8FB545A8AFDADF1F8860599AFC47A93B6346C191"
"630AD569E121BB76ED8DAC8FB545A8AFDADF1F8860599AFC47A93B6346C191" "7237F5BD36B73EB29371F4A4EE7A116CB5E8E5808D1BEA4D7F7E3716090C13"
"7237F5BD36B73EB29371F4A4EE7A116CB5E8E5808D1BEA4D7F7E3716090C13" "F29E5DDA53F0FD513362A2D20F6505314B9419DB967F8A8A89589FC43917C3"
"F29E5DDA53F0FD513362A2D20F6505314B9419DB967F8A8A89589FC43917C3" "BB892062B17CBE421DB0D47E34ACCCE060D422CFF60DCBD0277EE038BD509C"
"BB892062B17CBE421DB0D47E34ACCCE060D422CFF60DCBD0277EE038BD509C" "7BC494D8D854F5B76696F927EA99BC00C4A5D7928434",
"7BC494D8D854F5B76696F927EA99BC00C4A5D7928434", buffer));
buffer));
bignum.AssignBignum(bignum2); bignum.AssignBignum(bignum2);
bignum.MultiplyByPowerOfTen(2); bignum.MultiplyByPowerOfTen(2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0,
"1815699B31E30B3CDFBE17D185F44910BBBF313896C3DC95B4B9314D19B5B32" strcmp("1815699B31E30B3CDFBE17D185F44910BBBF313896C3DC95B4B9314D19B5B32"
"F57AD71655476B630F3E02DF855502394A74115A5BA2B480BCBCD5F52F6F69D" "F57AD71655476B630F3E02DF855502394A74115A5BA2B480BCBCD5F52F6F69D"
"E6C5622CB5152A54788BD9D14B896DE8CB73B53C3800DDACC9C51E0C38FAE76" "E6C5622CB5152A54788BD9D14B896DE8CB73B53C3800DDACC9C51E0C38FAE76"
"2F9964232872F9C2738E7150C4AE3F1B18F70583172706FAEE26DC5A78C77A2" "2F9964232872F9C2738E7150C4AE3F1B18F70583172706FAEE26DC5A78C77A2"
"FAA874769E52C01DA5C3499F233ECF3C90293E0FB69695D763DAA3AEDA5535B" "FAA874769E52C01DA5C3499F233ECF3C90293E0FB69695D763DAA3AEDA5535B"
"43DAEEDF6E9528E84CEE0EC000C3C8495C1F9C89F6218AF4C23765261CD5ADD" "43DAEEDF6E9528E84CEE0EC000C3C8495C1F9C89F6218AF4C23765261CD5ADD"
"0787351992A01E5BB8F2A015807AE7A6BB92A08", "0787351992A01E5BB8F2A015807AE7A6BB92A08",
buffer)); buffer));
bignum.AssignBignum(bignum2); bignum.AssignBignum(bignum2);
bignum.MultiplyByPowerOfTen(5); bignum.MultiplyByPowerOfTen(5);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("5E13A4863ADEE3E5C9FE8D0A73423D695D62D8450CED15A8C9F368952C6DC3"
"5E13A4863ADEE3E5C9FE8D0A73423D695D62D8450CED15A8C9F368952C6DC3" "F0EE7D82F3D1EFB7AF38A3B3920D410AFCAD563C8F5F39116E141A3C5C14B3"
"F0EE7D82F3D1EFB7AF38A3B3920D410AFCAD563C8F5F39116E141A3C5C14B3" "58CD73077EA35AAD59F6E24AD98F10D5555ABBFBF33AC361EAF429FD5FBE94"
"58CD73077EA35AAD59F6E24AD98F10D5555ABBFBF33AC361EAF429FD5FBE94" "17DA9EF2F2956011F9F93646AA38048A681D984ED88127073443247CCC167C"
"17DA9EF2F2956011F9F93646AA38048A681D984ED88127073443247CCC167C" "B354A32206EF5A733E73CF82D795A1AD598493211A6D613C39515E0E0F6304"
"B354A32206EF5A733E73CF82D795A1AD598493211A6D613C39515E0E0F6304" "DCD9C810F3518C7F6A7CB6C81E99E02FCC65E8FDB7B7AE97306CC16A8631CE"
"DCD9C810F3518C7F6A7CB6C81E99E02FCC65E8FDB7B7AE97306CC16A8631CE" "0A2AEF6568276BE4C176964A73C153FDE018E34CB4C2F40",
"0A2AEF6568276BE4C176964A73C153FDE018E34CB4C2F40", buffer));
buffer));
bignum.AssignBignum(bignum2); bignum.AssignBignum(bignum2);
bignum.MultiplyByPowerOfTen(10); bignum.MultiplyByPowerOfTen(10);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("8F8CB8EB51945A7E815809F6121EF2F4E61EF3405CD9432CAD2709749EEAFD"
"8F8CB8EB51945A7E815809F6121EF2F4E61EF3405CD9432CAD2709749EEAFD" "1B81E843F14A3667A7BDCCC9E0BB795F63CDFDB62844AC7438976C885A0116"
"1B81E843F14A3667A7BDCCC9E0BB795F63CDFDB62844AC7438976C885A0116" "29607DA54F9C023CC366570B7637ED0F855D931752038A614922D0923E382C"
"29607DA54F9C023CC366570B7637ED0F855D931752038A614922D0923E382C" "B8E5F6C975672DB76E0DE471937BB9EDB11E28874F1C122D5E1EF38CECE9D0"
"B8E5F6C975672DB76E0DE471937BB9EDB11E28874F1C122D5E1EF38CECE9D0" "0723056BCBD4F964192B76830634B1D322B7EB0062F3267E84F5C824343A77"
"0723056BCBD4F964192B76830634B1D322B7EB0062F3267E84F5C824343A77" "4B7DCEE6DD464F01EBDC8C671BB18BB4EF4300A42474A6C77243F2A12B03BF"
"4B7DCEE6DD464F01EBDC8C671BB18BB4EF4300A42474A6C77243F2A12B03BF" "0443C38A1C0D2701EDB393135AE0DEC94211F9D4EB51F990800",
"0443C38A1C0D2701EDB393135AE0DEC94211F9D4EB51F990800", buffer));
buffer));
bignum.AssignBignum(bignum2); bignum.AssignBignum(bignum2);
bignum.MultiplyByPowerOfTen(50); bignum.MultiplyByPowerOfTen(50);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("107A8BE345E24407372FC1DE442CBA696BC23C4FFD5B4BDFD9E5C39559815"
"107A8BE345E24407372FC1DE442CBA696BC23C4FFD5B4BDFD9E5C39559815" "86628CF8472D2D589F2FC2BAD6E0816EC72CBF85CCA663D8A1EC6C51076D8"
"86628CF8472D2D589F2FC2BAD6E0816EC72CBF85CCA663D8A1EC6C51076D8" "2D247E6C26811B7EC4D4300FB1F91028DCB7B2C4E7A60C151161AA7E65E79"
"2D247E6C26811B7EC4D4300FB1F91028DCB7B2C4E7A60C151161AA7E65E79" "B40917B12B2B5FBE7745984D4E8EFA31F9AE6062427B068B144A9CB155873"
"B40917B12B2B5FBE7745984D4E8EFA31F9AE6062427B068B144A9CB155873" "E7C0C9F0115E5AC72DC5A73C4796DB970BF9205AB8C77A6996EB1B417F9D1"
"E7C0C9F0115E5AC72DC5A73C4796DB970BF9205AB8C77A6996EB1B417F9D1" "6232431E6313C392203601B9C22CC10DDA88DCC6D282605F8DB67044F2DFD"
"6232431E6313C392203601B9C22CC10DDA88DCC6D282605F8DB67044F2DFD" "3695E7BA63877AE16701536AE6567C794D0BFE338DFBB42D924CF964BD2C0"
"3695E7BA63877AE16701536AE6567C794D0BFE338DFBB42D924CF964BD2C0" "F586E03A2FCD35A408000000000000",
"F586E03A2FCD35A408000000000000", buffer));
buffer));
bignum.AssignBignum(bignum2); bignum.AssignBignum(bignum2);
bignum.MultiplyByPowerOfTen(100); bignum.MultiplyByPowerOfTen(100);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("46784A90ACD0ED3E7759CC585FB32D36EB6034A6F78D92604E3BAA5ED3D8B"
"46784A90ACD0ED3E7759CC585FB32D36EB6034A6F78D92604E3BAA5ED3D8B" "6E60E854439BE448897FB4B7EA5A3D873AA0FCB3CFFD80D0530880E45F511"
"6E60E854439BE448897FB4B7EA5A3D873AA0FCB3CFFD80D0530880E45F511" "722A50CE7E058B5A6F5464DB7500E34984EE3202A9441F44FA1554C0CEA96"
"722A50CE7E058B5A6F5464DB7500E34984EE3202A9441F44FA1554C0CEA96" "B438A36F25E7C9D56D71AE2CD313EC37534DA299AC0854FC48591A7CF3171"
"B438A36F25E7C9D56D71AE2CD313EC37534DA299AC0854FC48591A7CF3171" "31265AA4AE62DE32344CE7BEEEF894AE686A2DAAFE5D6D9A10971FFD9C064"
"31265AA4AE62DE32344CE7BEEEF894AE686A2DAAFE5D6D9A10971FFD9C064" "5079B209E1048F58B5192D41D84336AC4C8C489EEF00939CFC9D55C122036"
"5079B209E1048F58B5192D41D84336AC4C8C489EEF00939CFC9D55C122036" "01B9C22CC10DDA88DCC6D282605F8DB67044F2DFD3695E7BA3F67B96D3A32"
"01B9C22CC10DDA88DCC6D282605F8DB67044F2DFD3695E7BA3F67B96D3A32" "E11FB5561B68744C4035B0800DC166D49D98E3FD1D5BB2000000000000000"
"E11FB5561B68744C4035B0800DC166D49D98E3FD1D5BB2000000000000000" "0000000000",
"0000000000", buffer));
buffer));
bignum.AssignBignum(bignum2); bignum.AssignBignum(bignum2);
bignum.MultiplyByPowerOfTen(200); bignum.MultiplyByPowerOfTen(200);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("508BD351221DF139D72D88CDC0416845A53EE2D0E6B98352509A9AC312F8C"
"508BD351221DF139D72D88CDC0416845A53EE2D0E6B98352509A9AC312F8C" "6CB1A144889416201E0B6CE66EA3EBE259B5FD79ECFC1FD77963CE516CC7E"
"6CB1A144889416201E0B6CE66EA3EBE259B5FD79ECFC1FD77963CE516CC7E" "2FE73D4B5B710C19F6BCB092C7A2FD76286543B8DBD2C596DFF2C896720BA"
"2FE73D4B5B710C19F6BCB092C7A2FD76286543B8DBD2C596DFF2C896720BA" "DFF7BC9C366ACEA3A880AEC287C5E6207DF2739B5326FC19D773BD830B109"
"DFF7BC9C366ACEA3A880AEC287C5E6207DF2739B5326FC19D773BD830B109" "ED36C7086544BF8FDB9D4B73719C2B5BC2F571A5937EC46876CD428281F6B"
"ED36C7086544BF8FDB9D4B73719C2B5BC2F571A5937EC46876CD428281F6B" "F287E1E07F25C1B1D46BC37324FF657A8B2E0071DB83B86123CA34004F406"
"F287E1E07F25C1B1D46BC37324FF657A8B2E0071DB83B86123CA34004F406" "001082D7945E90C6E8C9A9FEC2B44BE0DDA46E9F52B152E4D1336D2FCFBC9"
"001082D7945E90C6E8C9A9FEC2B44BE0DDA46E9F52B152E4D1336D2FCFBC9" "96E30CA0082256737365158FE36482AA7EB9DAF2AB128F10E7551A3CD5BE6"
"96E30CA0082256737365158FE36482AA7EB9DAF2AB128F10E7551A3CD5BE6" "0A922F3A7D5EED38B634A7EC95BCF7021BA6820A292000000000000000000"
"0A922F3A7D5EED38B634A7EC95BCF7021BA6820A292000000000000000000" "00000000000000000000000000000000",
"00000000000000000000000000000000", buffer));
buffer));
bignum.AssignBignum(bignum2); bignum.AssignBignum(bignum2);
bignum.MultiplyByPowerOfTen(500); bignum.MultiplyByPowerOfTen(500);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, EXPECT_EQ(
strcmp( 0, strcmp("7845F900E475B5086885BAAAE67C8E85185ACFE4633727F82A4B06B5582AC"
"7845F900E475B5086885BAAAE67C8E85185ACFE4633727F82A4B06B5582AC" "BE933C53357DA0C98C20C5AC900C4D76A97247DF52B79F48F9E35840FB715"
"BE933C53357DA0C98C20C5AC900C4D76A97247DF52B79F48F9E35840FB715" "D392CE303E22622B0CF82D9471B398457DD3196F639CEE8BBD2C146873841"
"D392CE303E22622B0CF82D9471B398457DD3196F639CEE8BBD2C146873841" "F0699E6C41F04FC7A54B48CEB995BEB6F50FE81DE9D87A8D7F849CC523553"
"F0699E6C41F04FC7A54B48CEB995BEB6F50FE81DE9D87A8D7F849CC523553" "7B7BBBC1C7CAAFF6E9650BE03B308C6D31012AEF9580F70D3EE2083ADE126"
"7B7BBBC1C7CAAFF6E9650BE03B308C6D31012AEF9580F70D3EE2083ADE126" "8940FA7D6308E239775DFD2F8C97FF7EBD525DAFA6512216F7047A62A93DC"
"8940FA7D6308E239775DFD2F8C97FF7EBD525DAFA6512216F7047A62A93DC" "38A0165BDC67E250DCC96A0181DE935A70B38704DC71819F02FC5261FF7E1"
"38A0165BDC67E250DCC96A0181DE935A70B38704DC71819F02FC5261FF7E1" "E5F11907678B0A3E519FF4C10A867B0C26CE02BE6960BA8621A87303C101C"
"E5F11907678B0A3E519FF4C10A867B0C26CE02BE6960BA8621A87303C101C" "3F88798BB9F7739655946F8B5744E6B1EAF10B0C5621330F0079209033C69"
"3F88798BB9F7739655946F8B5744E6B1EAF10B0C5621330F0079209033C69" "20DE2E2C8D324F0624463735D482BF291926C22A910F5B80FA25170B6B57D"
"20DE2E2C8D324F0624463735D482BF291926C22A910F5B80FA25170B6B57D" "8D5928C7BCA3FE87461275F69BD5A1B83181DAAF43E05FC3C72C4E93111B6"
"8D5928C7BCA3FE87461275F69BD5A1B83181DAAF43E05FC3C72C4E93111B6" "6205EBF49B28FEDFB7E7526CBDA658A332000000000000000000000000000"
"6205EBF49B28FEDFB7E7526CBDA658A332000000000000000000000000000" "0000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000" "0000000000000000000000000000000000000",
"0000000000000000000000000000000000000", buffer));
buffer));
} }
TEST_F(BignumTest, DivideModuloIntBignum) {
TEST(DivideModuloIntBignum) {
char buffer[kBufferSize]; char buffer[kBufferSize];
Bignum bignum; Bignum bignum;
Bignum other; Bignum other;
...@@ -1020,22 +982,22 @@ TEST(DivideModuloIntBignum) { ...@@ -1020,22 +982,22 @@ TEST(DivideModuloIntBignum) {
bignum.AssignUInt16(10); bignum.AssignUInt16(10);
other.AssignUInt16(2); other.AssignUInt16(2);
CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(5, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
bignum.AssignUInt16(10); bignum.AssignUInt16(10);
bignum.ShiftLeft(500); bignum.ShiftLeft(500);
other.AssignUInt16(2); other.AssignUInt16(2);
other.ShiftLeft(500); other.ShiftLeft(500);
CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(5, bignum.DivideModuloIntBignum(other));
CHECK_EQ(0, strcmp("0", buffer)); EXPECT_EQ(0, strcmp("0", buffer));
bignum.AssignUInt16(11); bignum.AssignUInt16(11);
other.AssignUInt16(2); other.AssignUInt16(2);
CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(5, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignUInt16(10); bignum.AssignUInt16(10);
bignum.ShiftLeft(500); bignum.ShiftLeft(500);
...@@ -1043,9 +1005,9 @@ TEST(DivideModuloIntBignum) { ...@@ -1043,9 +1005,9 @@ TEST(DivideModuloIntBignum) {
bignum.AddBignum(other); bignum.AddBignum(other);
other.AssignUInt16(2); other.AssignUInt16(2);
other.ShiftLeft(500); other.ShiftLeft(500);
CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(5, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignUInt16(10); bignum.AssignUInt16(10);
bignum.ShiftLeft(500); bignum.ShiftLeft(500);
...@@ -1053,33 +1015,33 @@ TEST(DivideModuloIntBignum) { ...@@ -1053,33 +1015,33 @@ TEST(DivideModuloIntBignum) {
bignum.MultiplyByUInt32(0x1234); bignum.MultiplyByUInt32(0x1234);
third.AssignUInt16(0xFFF); third.AssignUInt16(0xFFF);
bignum.AddBignum(third); bignum.AddBignum(third);
CHECK_EQ(0x1234, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(0x1234, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFF", buffer)); EXPECT_EQ(0, strcmp("FFF", buffer));
bignum.AssignUInt16(10); bignum.AssignUInt16(10);
AssignHexString(&other, "1234567890"); AssignHexString(&other, "1234567890");
CHECK_EQ(0, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(0, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A", buffer)); EXPECT_EQ(0, strcmp("A", buffer));
AssignHexString(&bignum, "12345678"); AssignHexString(&bignum, "12345678");
AssignHexString(&other, "3789012"); AssignHexString(&other, "3789012");
CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(5, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("D9861E", buffer)); EXPECT_EQ(0, strcmp("D9861E", buffer));
AssignHexString(&bignum, "70000001"); AssignHexString(&bignum, "70000001");
AssignHexString(&other, "1FFFFFFF"); AssignHexString(&other, "1FFFFFFF");
CHECK_EQ(3, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(3, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000004", buffer)); EXPECT_EQ(0, strcmp("10000004", buffer));
AssignHexString(&bignum, "28000000"); AssignHexString(&bignum, "28000000");
AssignHexString(&other, "12A05F20"); AssignHexString(&other, "12A05F20");
CHECK_EQ(2, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(2, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2BF41C0", buffer)); EXPECT_EQ(0, strcmp("2BF41C0", buffer));
bignum.AssignUInt16(10); bignum.AssignUInt16(10);
bignum.ShiftLeft(500); bignum.ShiftLeft(500);
...@@ -1087,456 +1049,451 @@ TEST(DivideModuloIntBignum) { ...@@ -1087,456 +1049,451 @@ TEST(DivideModuloIntBignum) {
bignum.MultiplyByUInt32(0x1234); bignum.MultiplyByUInt32(0x1234);
third.AssignUInt16(0xFFF); third.AssignUInt16(0xFFF);
other.SubtractBignum(third); other.SubtractBignum(third);
CHECK_EQ(0x1234, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(0x1234, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1232DCC", buffer)); EXPECT_EQ(0, strcmp("1232DCC", buffer));
CHECK_EQ(0, bignum.DivideModuloIntBignum(other)); EXPECT_EQ(0, bignum.DivideModuloIntBignum(other));
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1232DCC", buffer)); EXPECT_EQ(0, strcmp("1232DCC", buffer));
} }
TEST_F(BignumTest, Compare) {
TEST(Compare) {
Bignum bignum1; Bignum bignum1;
Bignum bignum2; Bignum bignum2;
bignum1.AssignUInt16(1); bignum1.AssignUInt16(1);
bignum2.AssignUInt16(1); bignum2.AssignUInt16(1);
CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(0, Bignum::Compare(bignum1, bignum2));
CHECK(Bignum::Equal(bignum1, bignum2)); EXPECT_TRUE(Bignum::Equal(bignum1, bignum2));
CHECK(Bignum::LessEqual(bignum1, bignum2)); EXPECT_TRUE(Bignum::LessEqual(bignum1, bignum2));
CHECK(!Bignum::Less(bignum1, bignum2)); EXPECT_TRUE(!Bignum::Less(bignum1, bignum2));
bignum1.AssignUInt16(0); bignum1.AssignUInt16(0);
bignum2.AssignUInt16(1); bignum2.AssignUInt16(1);
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
CHECK(!Bignum::Equal(bignum1, bignum2)); EXPECT_TRUE(!Bignum::Equal(bignum1, bignum2));
CHECK(!Bignum::Equal(bignum2, bignum1)); EXPECT_TRUE(!Bignum::Equal(bignum2, bignum1));
CHECK(Bignum::LessEqual(bignum1, bignum2)); EXPECT_TRUE(Bignum::LessEqual(bignum1, bignum2));
CHECK(!Bignum::LessEqual(bignum2, bignum1)); EXPECT_TRUE(!Bignum::LessEqual(bignum2, bignum1));
CHECK(Bignum::Less(bignum1, bignum2)); EXPECT_TRUE(Bignum::Less(bignum1, bignum2));
CHECK(!Bignum::Less(bignum2, bignum1)); EXPECT_TRUE(!Bignum::Less(bignum2, bignum1));
AssignHexString(&bignum1, "1234567890ABCDEF12345"); AssignHexString(&bignum1, "1234567890ABCDEF12345");
AssignHexString(&bignum2, "1234567890ABCDEF12345"); AssignHexString(&bignum2, "1234567890ABCDEF12345");
CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(0, Bignum::Compare(bignum1, bignum2));
AssignHexString(&bignum1, "1234567890ABCDEF12345"); AssignHexString(&bignum1, "1234567890ABCDEF12345");
AssignHexString(&bignum2, "1234567890ABCDEF12346"); AssignHexString(&bignum2, "1234567890ABCDEF12346");
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
AssignHexString(&bignum1, "1234567890ABCDEF12345"); AssignHexString(&bignum1, "1234567890ABCDEF12345");
bignum1.ShiftLeft(500); bignum1.ShiftLeft(500);
AssignHexString(&bignum2, "1234567890ABCDEF12345"); AssignHexString(&bignum2, "1234567890ABCDEF12345");
bignum2.ShiftLeft(500); bignum2.ShiftLeft(500);
CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(0, Bignum::Compare(bignum1, bignum2));
AssignHexString(&bignum1, "1234567890ABCDEF12345"); AssignHexString(&bignum1, "1234567890ABCDEF12345");
bignum1.ShiftLeft(500); bignum1.ShiftLeft(500);
AssignHexString(&bignum2, "1234567890ABCDEF12346"); AssignHexString(&bignum2, "1234567890ABCDEF12346");
bignum2.ShiftLeft(500); bignum2.ShiftLeft(500);
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
bignum1.AssignUInt16(1); bignum1.AssignUInt16(1);
bignum1.ShiftLeft(64); bignum1.ShiftLeft(64);
AssignHexString(&bignum2, "10000000000000000"); AssignHexString(&bignum2, "10000000000000000");
CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(0, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(0, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(0, Bignum::Compare(bignum2, bignum1));
bignum1.AssignUInt16(1); bignum1.AssignUInt16(1);
bignum1.ShiftLeft(64); bignum1.ShiftLeft(64);
AssignHexString(&bignum2, "10000000000000001"); AssignHexString(&bignum2, "10000000000000001");
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
bignum1.AssignUInt16(1); bignum1.AssignUInt16(1);
bignum1.ShiftLeft(96); bignum1.ShiftLeft(96);
AssignHexString(&bignum2, "10000000000000001"); AssignHexString(&bignum2, "10000000000000001");
bignum2.ShiftLeft(32); bignum2.ShiftLeft(32);
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF");
bignum2.AssignUInt16(1); bignum2.AssignUInt16(1);
bignum2.ShiftLeft(64); bignum2.ShiftLeft(64);
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF");
bignum1.ShiftLeft(32); bignum1.ShiftLeft(32);
bignum2.AssignUInt16(1); bignum2.AssignUInt16(1);
bignum2.ShiftLeft(96); bignum2.ShiftLeft(96);
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF");
bignum1.ShiftLeft(32); bignum1.ShiftLeft(32);
bignum2.AssignUInt16(1); bignum2.AssignUInt16(1);
bignum2.ShiftLeft(95); bignum2.ShiftLeft(95);
CHECK_EQ(+1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(+1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(-1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(-1, Bignum::Compare(bignum2, bignum1));
AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF"); AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF");
bignum1.ShiftLeft(32); bignum1.ShiftLeft(32);
bignum2.AssignUInt16(1); bignum2.AssignUInt16(1);
bignum2.ShiftLeft(100); bignum2.ShiftLeft(100);
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
AssignHexString(&bignum1, "100000000000000"); AssignHexString(&bignum1, "100000000000000");
bignum2.AssignUInt16(1); bignum2.AssignUInt16(1);
bignum2.ShiftLeft(14*4); bignum2.ShiftLeft(14 * 4);
CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(0, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(0, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(0, Bignum::Compare(bignum2, bignum1));
AssignHexString(&bignum1, "100000000000001"); AssignHexString(&bignum1, "100000000000001");
bignum2.AssignUInt16(1); bignum2.AssignUInt16(1);
bignum2.ShiftLeft(14*4); bignum2.ShiftLeft(14 * 4);
CHECK_EQ(+1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(+1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(-1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(-1, Bignum::Compare(bignum2, bignum1));
AssignHexString(&bignum1, "200000000000000"); AssignHexString(&bignum1, "200000000000000");
bignum2.AssignUInt16(3); bignum2.AssignUInt16(3);
bignum2.ShiftLeft(14*4); bignum2.ShiftLeft(14 * 4);
CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); EXPECT_EQ(-1, Bignum::Compare(bignum1, bignum2));
CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); EXPECT_EQ(+1, Bignum::Compare(bignum2, bignum1));
} }
TEST_F(BignumTest, PlusCompare) {
TEST(PlusCompare) {
Bignum a; Bignum a;
Bignum b; Bignum b;
Bignum c; Bignum c;
a.AssignUInt16(1); a.AssignUInt16(1);
b.AssignUInt16(0); b.AssignUInt16(0);
c.AssignUInt16(1); c.AssignUInt16(1);
CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(0, Bignum::PlusCompare(a, b, c));
CHECK(Bignum::PlusEqual(a, b, c)); EXPECT_TRUE(Bignum::PlusEqual(a, b, c));
CHECK(Bignum::PlusLessEqual(a, b, c)); EXPECT_TRUE(Bignum::PlusLessEqual(a, b, c));
CHECK(!Bignum::PlusLess(a, b, c)); EXPECT_TRUE(!Bignum::PlusLess(a, b, c));
a.AssignUInt16(0); a.AssignUInt16(0);
b.AssignUInt16(0); b.AssignUInt16(0);
c.AssignUInt16(1); c.AssignUInt16(1);
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
CHECK_EQ(+1, Bignum::PlusCompare(c, b, a)); EXPECT_EQ(+1, Bignum::PlusCompare(c, b, a));
CHECK(!Bignum::PlusEqual(a, b, c)); EXPECT_TRUE(!Bignum::PlusEqual(a, b, c));
CHECK(!Bignum::PlusEqual(c, b, a)); EXPECT_TRUE(!Bignum::PlusEqual(c, b, a));
CHECK(Bignum::PlusLessEqual(a, b, c)); EXPECT_TRUE(Bignum::PlusLessEqual(a, b, c));
CHECK(!Bignum::PlusLessEqual(c, b, a)); EXPECT_TRUE(!Bignum::PlusLessEqual(c, b, a));
CHECK(Bignum::PlusLess(a, b, c)); EXPECT_TRUE(Bignum::PlusLess(a, b, c));
CHECK(!Bignum::PlusLess(c, b, a)); EXPECT_TRUE(!Bignum::PlusLess(c, b, a));
AssignHexString(&a, "1234567890ABCDEF12345"); AssignHexString(&a, "1234567890ABCDEF12345");
b.AssignUInt16(1); b.AssignUInt16(1);
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
CHECK_EQ(+1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(+1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890ABCDEF12344"); AssignHexString(&a, "1234567890ABCDEF12344");
b.AssignUInt16(1); b.AssignUInt16(1);
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(0, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4); a.ShiftLeft(11 * 4);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(0, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4); a.ShiftLeft(11 * 4);
AssignHexString(&b, "ABCDEF12344"); AssignHexString(&b, "ABCDEF12344");
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4); a.ShiftLeft(11 * 4);
AssignHexString(&b, "ABCDEF12346"); AssignHexString(&b, "ABCDEF12346");
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567891"); AssignHexString(&a, "1234567891");
a.ShiftLeft(11*4); a.ShiftLeft(11 * 4);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567889"); AssignHexString(&a, "1234567889");
a.ShiftLeft(11*4); a.ShiftLeft(11 * 4);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
c.ShiftLeft(32); c.ShiftLeft(32);
CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(0, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12344"); AssignHexString(&b, "ABCDEF12344");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
c.ShiftLeft(32); c.ShiftLeft(32);
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12346"); AssignHexString(&b, "ABCDEF12346");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
c.ShiftLeft(32); c.ShiftLeft(32);
CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567891"); AssignHexString(&a, "1234567891");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
c.ShiftLeft(32); c.ShiftLeft(32);
CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567889"); AssignHexString(&a, "1234567889");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF12345"); AssignHexString(&c, "1234567890ABCDEF12345");
c.ShiftLeft(32); c.ShiftLeft(32);
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF1234500000000"); AssignHexString(&c, "1234567890ABCDEF1234500000000");
CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(0, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12344"); AssignHexString(&b, "ABCDEF12344");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF1234500000000"); AssignHexString(&c, "1234567890ABCDEF1234500000000");
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12346"); AssignHexString(&b, "ABCDEF12346");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF1234500000000"); AssignHexString(&c, "1234567890ABCDEF1234500000000");
CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567891"); AssignHexString(&a, "1234567891");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF1234500000000"); AssignHexString(&c, "1234567890ABCDEF1234500000000");
CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567889"); AssignHexString(&a, "1234567889");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
b.ShiftLeft(32); b.ShiftLeft(32);
AssignHexString(&c, "1234567890ABCDEF1234500000000"); AssignHexString(&c, "1234567890ABCDEF1234500000000");
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
AssignHexString(&c, "123456789000000000ABCDEF12345"); AssignHexString(&c, "123456789000000000ABCDEF12345");
CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(0, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12346"); AssignHexString(&b, "ABCDEF12346");
AssignHexString(&c, "123456789000000000ABCDEF12345"); AssignHexString(&c, "123456789000000000ABCDEF12345");
CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12344"); AssignHexString(&b, "ABCDEF12344");
AssignHexString(&c, "123456789000000000ABCDEF12345"); AssignHexString(&c, "123456789000000000ABCDEF12345");
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
b.ShiftLeft(16); b.ShiftLeft(16);
AssignHexString(&c, "12345678900000ABCDEF123450000"); AssignHexString(&c, "12345678900000ABCDEF123450000");
CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(0, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12344"); AssignHexString(&b, "ABCDEF12344");
b.ShiftLeft(16); b.ShiftLeft(16);
AssignHexString(&c, "12345678900000ABCDEF123450000"); AssignHexString(&c, "12345678900000ABCDEF123450000");
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12345"); AssignHexString(&b, "ABCDEF12345");
b.ShiftLeft(16); b.ShiftLeft(16);
AssignHexString(&c, "12345678900000ABCDEF123450001"); AssignHexString(&c, "12345678900000ABCDEF123450001");
CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(-1, Bignum::PlusCompare(a, b, c));
AssignHexString(&a, "1234567890"); AssignHexString(&a, "1234567890");
a.ShiftLeft(11*4 + 32); a.ShiftLeft(11 * 4 + 32);
AssignHexString(&b, "ABCDEF12346"); AssignHexString(&b, "ABCDEF12346");
b.ShiftLeft(16); b.ShiftLeft(16);
AssignHexString(&c, "12345678900000ABCDEF123450000"); AssignHexString(&c, "12345678900000ABCDEF123450000");
CHECK_EQ(+1, Bignum::PlusCompare(a, b, c)); EXPECT_EQ(+1, Bignum::PlusCompare(a, b, c));
} }
TEST_F(BignumTest, Square) {
TEST(Square) {
Bignum bignum; Bignum bignum;
char buffer[kBufferSize]; char buffer[kBufferSize];
bignum.AssignUInt16(1); bignum.AssignUInt16(1);
bignum.Square(); bignum.Square();
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignUInt16(2); bignum.AssignUInt16(2);
bignum.Square(); bignum.Square();
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("4", buffer)); EXPECT_EQ(0, strcmp("4", buffer));
bignum.AssignUInt16(10); bignum.AssignUInt16(10);
bignum.Square(); bignum.Square();
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("64", buffer)); EXPECT_EQ(0, strcmp("64", buffer));
AssignHexString(&bignum, "FFFFFFF"); AssignHexString(&bignum, "FFFFFFF");
bignum.Square(); bignum.Square();
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFE0000001", buffer)); EXPECT_EQ(0, strcmp("FFFFFFE0000001", buffer));
AssignHexString(&bignum, "FFFFFFFFFFFFFF"); AssignHexString(&bignum, "FFFFFFFFFFFFFF");
bignum.Square(); bignum.Square();
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("FFFFFFFFFFFFFE00000000000001", buffer)); EXPECT_EQ(0, strcmp("FFFFFFFFFFFFFE00000000000001", buffer));
} }
TEST_F(BignumTest, AssignPowerUInt16) {
TEST(AssignPowerUInt16) {
Bignum bignum; Bignum bignum;
char buffer[kBufferSize]; char buffer[kBufferSize];
bignum.AssignPowerUInt16(1, 0); bignum.AssignPowerUInt16(1, 0);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignPowerUInt16(1, 1); bignum.AssignPowerUInt16(1, 1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignPowerUInt16(1, 2); bignum.AssignPowerUInt16(1, 2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignPowerUInt16(2, 0); bignum.AssignPowerUInt16(2, 0);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignPowerUInt16(2, 1); bignum.AssignPowerUInt16(2, 1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2", buffer)); EXPECT_EQ(0, strcmp("2", buffer));
bignum.AssignPowerUInt16(2, 2); bignum.AssignPowerUInt16(2, 2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("4", buffer)); EXPECT_EQ(0, strcmp("4", buffer));
bignum.AssignPowerUInt16(16, 1); bignum.AssignPowerUInt16(16, 1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10", buffer)); EXPECT_EQ(0, strcmp("10", buffer));
bignum.AssignPowerUInt16(16, 2); bignum.AssignPowerUInt16(16, 2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100", buffer)); EXPECT_EQ(0, strcmp("100", buffer));
bignum.AssignPowerUInt16(16, 5); bignum.AssignPowerUInt16(16, 5);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100000", buffer)); EXPECT_EQ(0, strcmp("100000", buffer));
bignum.AssignPowerUInt16(16, 8); bignum.AssignPowerUInt16(16, 8);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("100000000", buffer)); EXPECT_EQ(0, strcmp("100000000", buffer));
bignum.AssignPowerUInt16(16, 16); bignum.AssignPowerUInt16(16, 16);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000000", buffer));
bignum.AssignPowerUInt16(16, 30); bignum.AssignPowerUInt16(16, 30);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1000000000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("1000000000000000000000000000000", buffer));
bignum.AssignPowerUInt16(10, 0); bignum.AssignPowerUInt16(10, 0);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignPowerUInt16(10, 1); bignum.AssignPowerUInt16(10, 1);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("A", buffer)); EXPECT_EQ(0, strcmp("A", buffer));
bignum.AssignPowerUInt16(10, 2); bignum.AssignPowerUInt16(10, 2);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("64", buffer)); EXPECT_EQ(0, strcmp("64", buffer));
bignum.AssignPowerUInt16(10, 5); bignum.AssignPowerUInt16(10, 5);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("186A0", buffer)); EXPECT_EQ(0, strcmp("186A0", buffer));
bignum.AssignPowerUInt16(10, 8); bignum.AssignPowerUInt16(10, 8);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("5F5E100", buffer)); EXPECT_EQ(0, strcmp("5F5E100", buffer));
bignum.AssignPowerUInt16(10, 16); bignum.AssignPowerUInt16(10, 16);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("2386F26FC10000", buffer)); EXPECT_EQ(0, strcmp("2386F26FC10000", buffer));
bignum.AssignPowerUInt16(10, 30); bignum.AssignPowerUInt16(10, 30);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("C9F2C9CD04674EDEA40000000", buffer)); EXPECT_EQ(0, strcmp("C9F2C9CD04674EDEA40000000", buffer));
bignum.AssignPowerUInt16(10, 31); bignum.AssignPowerUInt16(10, 31);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("7E37BE2022C0914B2680000000", buffer)); EXPECT_EQ(0, strcmp("7E37BE2022C0914B2680000000", buffer));
bignum.AssignPowerUInt16(2, 0); bignum.AssignPowerUInt16(2, 0);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignPowerUInt16(2, 100); bignum.AssignPowerUInt16(2, 100);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("10000000000000000000000000", buffer)); EXPECT_EQ(0, strcmp("10000000000000000000000000", buffer));
bignum.AssignPowerUInt16(17, 0); bignum.AssignPowerUInt16(17, 0);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp("1", buffer)); EXPECT_EQ(0, strcmp("1", buffer));
bignum.AssignPowerUInt16(17, 99); bignum.AssignPowerUInt16(17, 99);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp( EXPECT_EQ(0, strcmp("1942BB9853FAD924A3D4DD92B89B940E0207BEF05DB9C26BC1B757"
"1942BB9853FAD924A3D4DD92B89B940E0207BEF05DB9C26BC1B757" "80BE0C5A2C2990E02A681224F34ED68558CE4C6E33760931",
"80BE0C5A2C2990E02A681224F34ED68558CE4C6E33760931", buffer));
buffer));
bignum.AssignPowerUInt16(0xFFFF, 99); bignum.AssignPowerUInt16(0xFFFF, 99);
CHECK(bignum.ToHexString(buffer, kBufferSize)); EXPECT_TRUE(bignum.ToHexString(buffer, kBufferSize));
CHECK_EQ(0, strcmp( EXPECT_EQ(0,
"FF9D12F09B886C54E77E7439C7D2DED2D34F669654C0C2B6B8C288250" strcmp("FF9D12F09B886C54E77E7439C7D2DED2D34F669654C0C2B6B8C288250"
"5A2211D0E3DC9A61831349EAE674B11D56E3049D7BD79DAAD6C9FA2BA" "5A2211D0E3DC9A61831349EAE674B11D56E3049D7BD79DAAD6C9FA2BA"
"528E3A794299F2EE9146A324DAFE3E88967A0358233B543E233E575B9" "528E3A794299F2EE9146A324DAFE3E88967A0358233B543E233E575B9"
"DD4E3AA7942146426C328FF55BFD5C45E0901B1629260AF9AE2F310C5" "DD4E3AA7942146426C328FF55BFD5C45E0901B1629260AF9AE2F310C5"
"50959FAF305C30116D537D80CF6EBDBC15C5694062AF1AC3D956D0A41" "50959FAF305C30116D537D80CF6EBDBC15C5694062AF1AC3D956D0A41"
"B7E1B79FF11E21D83387A1CE1F5882B31E4B5D8DE415BDBE6854466DF" "B7E1B79FF11E21D83387A1CE1F5882B31E4B5D8DE415BDBE6854466DF"
"343362267A7E8833119D31D02E18DB5B0E8F6A64B0ED0D0062FFFF", "343362267A7E8833119D31D02E18DB5B0E8F6A64B0ED0D0062FFFF",
buffer)); buffer));
} }
} // namespace test_bignum } // namespace test_bignum
......
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