Commit 1efe3de9 authored by bmeurer@chromium.org's avatar bmeurer@chromium.org

Migrate test-semaphore to base-unittests.

TEST=base-unittests
BUG=v8:3489
LOG=n
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/494343002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23296 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 4fb93f64
......@@ -25,6 +25,7 @@
'platform/condition-variable-unittest.cc',
'platform/mutex-unittest.cc',
'platform/platform-unittest.cc',
'platform/semaphore-unittest.cc',
'platform/time-unittest.cc',
'utils/random-number-generator-unittest.cc',
],
......
// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstring>
#include "src/base/platform/platform.h"
#include "src/base/platform/semaphore.h"
#include "src/base/platform/time.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace v8 {
namespace base {
namespace {
static const char kAlphabet[] = "XKOAD";
static const size_t kAlphabetSize = sizeof(kAlphabet) - 1;
static const size_t kBufferSize = 987; // GCD(buffer size, alphabet size) = 1
static const size_t kDataSize = kBufferSize * kAlphabetSize * 10;
class ProducerThread V8_FINAL : public Thread {
public:
ProducerThread(char* buffer, Semaphore* free_space, Semaphore* used_space)
: Thread(Options("ProducerThread")),
buffer_(buffer),
free_space_(free_space),
used_space_(used_space) {}
virtual ~ProducerThread() {}
virtual void Run() V8_OVERRIDE {
for (size_t n = 0; n < kDataSize; ++n) {
free_space_->Wait();
buffer_[n % kBufferSize] = kAlphabet[n % kAlphabetSize];
used_space_->Signal();
}
}
private:
char* buffer_;
Semaphore* const free_space_;
Semaphore* const used_space_;
};
class ConsumerThread V8_FINAL : public Thread {
public:
ConsumerThread(const char* buffer, Semaphore* free_space,
Semaphore* used_space)
: Thread(Options("ConsumerThread")),
buffer_(buffer),
free_space_(free_space),
used_space_(used_space) {}
virtual ~ConsumerThread() {}
virtual void Run() V8_OVERRIDE {
for (size_t n = 0; n < kDataSize; ++n) {
used_space_->Wait();
EXPECT_EQ(kAlphabet[n % kAlphabetSize], buffer_[n % kBufferSize]);
free_space_->Signal();
}
}
private:
const char* buffer_;
Semaphore* const free_space_;
Semaphore* const used_space_;
};
class WaitAndSignalThread V8_FINAL : public Thread {
public:
explicit WaitAndSignalThread(Semaphore* semaphore)
: Thread(Options("WaitAndSignalThread")), semaphore_(semaphore) {}
virtual ~WaitAndSignalThread() {}
virtual void Run() V8_OVERRIDE {
for (int n = 0; n < 100; ++n) {
semaphore_->Wait();
ASSERT_FALSE(semaphore_->WaitFor(TimeDelta::FromMicroseconds(1)));
semaphore_->Signal();
}
}
private:
Semaphore* const semaphore_;
};
} // namespace
TEST(Semaphore, ProducerConsumer) {
char buffer[kBufferSize];
std::memset(buffer, 0, sizeof(buffer));
Semaphore free_space(kBufferSize);
Semaphore used_space(0);
ProducerThread producer_thread(buffer, &free_space, &used_space);
ConsumerThread consumer_thread(buffer, &free_space, &used_space);
producer_thread.Start();
consumer_thread.Start();
producer_thread.Join();
consumer_thread.Join();
}
TEST(Semaphore, WaitAndSignal) {
Semaphore semaphore(0);
WaitAndSignalThread t1(&semaphore);
WaitAndSignalThread t2(&semaphore);
t1.Start();
t2.Start();
// Make something available.
semaphore.Signal();
t1.Join();
t2.Join();
semaphore.Wait();
EXPECT_FALSE(semaphore.WaitFor(TimeDelta::FromMicroseconds(1)));
}
TEST(Semaphore, WaitFor) {
Semaphore semaphore(0);
// Semaphore not signalled - timeout.
ASSERT_FALSE(semaphore.WaitFor(TimeDelta::FromMicroseconds(0)));
ASSERT_FALSE(semaphore.WaitFor(TimeDelta::FromMicroseconds(100)));
ASSERT_FALSE(semaphore.WaitFor(TimeDelta::FromMicroseconds(1000)));
// Semaphore signalled - no timeout.
semaphore.Signal();
ASSERT_TRUE(semaphore.WaitFor(TimeDelta::FromMicroseconds(0)));
semaphore.Signal();
ASSERT_TRUE(semaphore.WaitFor(TimeDelta::FromMicroseconds(100)));
semaphore.Signal();
ASSERT_TRUE(semaphore.WaitFor(TimeDelta::FromMicroseconds(1000)));
}
} // namespace base
} // namespace v8
......@@ -145,7 +145,6 @@
'test-regexp.cc',
'test-reloc-info.cc',
'test-representation.cc',
'test-semaphore.cc',
'test-serialize.cc',
'test-spaces.cc',
'test-strings.cc',
......
// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * 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 "src/v8.h"
#include "src/base/platform/platform.h"
#include "test/cctest/cctest.h"
using namespace ::v8::internal;
class WaitAndSignalThread V8_FINAL : public v8::base::Thread {
public:
explicit WaitAndSignalThread(v8::base::Semaphore* semaphore)
: Thread(Options("WaitAndSignalThread")), semaphore_(semaphore) {}
virtual ~WaitAndSignalThread() {}
virtual void Run() V8_OVERRIDE {
for (int n = 0; n < 1000; ++n) {
semaphore_->Wait();
bool result =
semaphore_->WaitFor(v8::base::TimeDelta::FromMicroseconds(1));
DCHECK(!result);
USE(result);
semaphore_->Signal();
}
}
private:
v8::base::Semaphore* semaphore_;
};
TEST(WaitAndSignal) {
v8::base::Semaphore semaphore(0);
WaitAndSignalThread t1(&semaphore);
WaitAndSignalThread t2(&semaphore);
t1.Start();
t2.Start();
// Make something available.
semaphore.Signal();
t1.Join();
t2.Join();
semaphore.Wait();
bool result = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(1));
DCHECK(!result);
USE(result);
}
TEST(WaitFor) {
bool ok;
v8::base::Semaphore semaphore(0);
// Semaphore not signalled - timeout.
ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(0));
CHECK(!ok);
ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(100));
CHECK(!ok);
ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(1000));
CHECK(!ok);
// Semaphore signalled - no timeout.
semaphore.Signal();
ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(0));
CHECK(ok);
semaphore.Signal();
ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(100));
CHECK(ok);
semaphore.Signal();
ok = semaphore.WaitFor(v8::base::TimeDelta::FromMicroseconds(1000));
CHECK(ok);
}
static const char alphabet[] = "XKOAD";
static const int kAlphabetSize = sizeof(alphabet) - 1;
static const int kBufferSize = 4096; // GCD(buffer size, alphabet size) = 1
static char buffer[kBufferSize];
static const int kDataSize = kBufferSize * kAlphabetSize * 10;
static v8::base::Semaphore free_space(kBufferSize);
static v8::base::Semaphore used_space(0);
class ProducerThread V8_FINAL : public v8::base::Thread {
public:
ProducerThread() : Thread(Options("ProducerThread")) {}
virtual ~ProducerThread() {}
virtual void Run() V8_OVERRIDE {
for (int n = 0; n < kDataSize; ++n) {
free_space.Wait();
buffer[n % kBufferSize] = alphabet[n % kAlphabetSize];
used_space.Signal();
}
}
};
class ConsumerThread V8_FINAL : public v8::base::Thread {
public:
ConsumerThread() : Thread(Options("ConsumerThread")) {}
virtual ~ConsumerThread() {}
virtual void Run() V8_OVERRIDE {
for (int n = 0; n < kDataSize; ++n) {
used_space.Wait();
DCHECK_EQ(static_cast<int>(alphabet[n % kAlphabetSize]),
static_cast<int>(buffer[n % kBufferSize]));
free_space.Signal();
}
}
};
TEST(ProducerConsumer) {
ProducerThread producer_thread;
ConsumerThread consumer_thread;
producer_thread.Start();
consumer_thread.Start();
producer_thread.Join();
consumer_thread.Join();
}
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