v8/test/mjsunit/double-equals.js
christian.plesner.hansen@gmail.com 9bed566bdb Changed copyright header from google inc. to v8 project authors.
Added presubmit step to check copyright.



git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@242 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2008-09-09 20:08:45 +00:00

115 lines
4.7 KiB
JavaScript

// Copyright 2008 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.
/**
* This test uses assert{True,False}(... == ...) instead of
* assertEquals(..., ...) to not rely on the details of the
* implementation of assertEquals.
*/
assertTrue (void 0 == void 0, "void 0 == void 0");
assertTrue (null == null, "null == null");
assertFalse(NaN == NaN, "NaN == NaN");
assertFalse(NaN == 0, "NaN == 0");
assertFalse(0 == NaN, "0 == NaN");
assertFalse(NaN == Infinity, "NaN == Inf");
assertFalse(Infinity == NaN, "Inf == NaN");
assertTrue(Number.MAX_VALUE == Number.MAX_VALUE, "MAX == MAX");
assertTrue(Number.MIN_VALUE == Number.MIN_VALUE, "MIN == MIN");
assertTrue(Infinity == Infinity, "Inf == Inf");
assertTrue(-Infinity == -Infinity, "-Inf == -Inf");
assertTrue(0 == 0, "0 == 0");
assertTrue(0 == -0, "0 == -0");
assertTrue(-0 == 0, "-0 == 0");
assertTrue(-0 == -0, "-0 == -0");
assertFalse(0.9 == 1, "0.9 == 1");
assertFalse(0.999999 == 1, "0.999999 == 1");
assertFalse(0.9999999999 == 1, "0.9999999999 == 1");
assertFalse(0.9999999999999 == 1, "0.9999999999999 == 1");
assertTrue('hello' == 'hello', "'hello' == 'hello'");
assertTrue (true == true, "true == true");
assertTrue (false == false, "false == false");
assertFalse(true == false, "true == false");
assertFalse(false == true, "false == true");
assertFalse(new Wrapper(null) == new Wrapper(null), "new Wrapper(null) == new Wrapper(null)");
assertFalse(new Boolean(true) == new Boolean(true), "new Boolean(true) == new Boolean(true)");
assertFalse(new Boolean(false) == new Boolean(false), "new Boolean(false) == new Boolean(false)");
(function () {
var x = new Wrapper(null);
var y = x, z = x;
assertTrue(y == x);
})();
(function () {
var x = new Boolean(true);
var y = x, z = x;
assertTrue(y == x);
})();
(function () {
var x = new Boolean(false);
var y = x, z = x;
assertTrue(y == x);
})();
assertTrue(null == void 0, "null == void 0");
assertTrue(void 0 == null, "void 0 == null");
assertFalse(new Wrapper(null) == null, "new Wrapper(null) == null");
assertFalse(null == new Wrapper(null), "null == new Wrapper(null)");
assertTrue(1 == '1', "1 == '1");
assertTrue(255 == '0xff', "255 == '0xff'");
assertTrue(0 == '\r', "0 == '\\r'");
assertTrue(1e19 == '1e19', "1e19 == '1e19'");
assertTrue(new Boolean(true) == true, "new Boolean(true) == true");
assertTrue(new Boolean(false) == false, "new Boolean(false) == false");
assertTrue(true == new Boolean(true), "true == new Boolean(true)");
assertTrue(false == new Boolean(false), "false == new Boolean(false)");
assertTrue(Boolean(true) == true, "Boolean(true) == true");
assertTrue(Boolean(false) == false, "Boolean(false) == false");
assertTrue(true == Boolean(true), "true == Boolean(true)");
assertTrue(false == Boolean(false), "false == Boolean(false)");
assertTrue(new Wrapper(true) == true, "new Wrapper(true) == true");
assertTrue(new Wrapper(false) == false, "new Wrapper(false) == false");
assertTrue(true == new Wrapper(true), "true = new Wrapper(true)");
assertTrue(false == new Wrapper(false), "false = new Wrapper(false)");
function Wrapper(value) {
this.value = value;
this.valueOf = function () { return this.value; };
}