numeric-literals.js 3.05 KB
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// 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.

// Flags: --harmony-numeric-literals

function TestOctalLiteral() {
  assertEquals(0, 0o0);
  assertEquals(0, 0O0);
  assertEquals(1, 0o1);
  assertEquals(7, 0o7);
  assertEquals(8, 0o10);
  assertEquals(63, 0o77);
}
TestOctalLiteral();


function TestOctalLiteralUsingNumberFunction() {
  assertEquals(0, Number('0o0'));
  assertEquals(0, Number('0O0'));
  assertEquals(1, Number('0o1'));
  assertEquals(7, Number('0o7'));
  assertEquals(8, Number('0o10'));
  assertEquals(63, Number('0o77'));
}
TestOctalLiteralUsingNumberFunction();


function TestBinaryLiteral() {
  assertEquals(0, 0b0);
  assertEquals(0, 0B0);
  assertEquals(1, 0b1);
  assertEquals(2, 0b10);
  assertEquals(3, 0b11);
}
TestBinaryLiteral();


function TestBinaryLiteralUsingNumberFunction() {
  assertEquals(0, Number('0b0'));
  assertEquals(0, Number('0B0'));
  assertEquals(1, Number('0b1'));
  assertEquals(2, Number('0b10'));
  assertEquals(3, Number('0b11'));
}
TestBinaryLiteralUsingNumberFunction();


// parseInt should (probably) not support 0b and 0o.
// https://bugs.ecmascript.org/show_bug.cgi?id=1585
function TestParseIntDoesNotSupportOctalNorBinary() {
  assertEquals(0, parseInt('0o77'));
  assertEquals(0, parseInt('0o77', 8));
  assertEquals(0, parseInt('0b11'));
  assertEquals(0, parseInt('0b11', 2));
}
TestParseIntDoesNotSupportOctalNorBinary();


function TestParseFloatDoesNotSupportOctalNorBinary() {
  assertEquals(0, parseFloat('0o77'));
  assertEquals(0, parseFloat('0b11'));
}
TestParseFloatDoesNotSupportOctalNorBinary();