Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2008 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | var n = null; |
| 29 | var u = void 0; |
| 30 | assertTrue(null === null); |
| 31 | assertTrue(null === n); |
| 32 | assertTrue(n === null); |
| 33 | assertTrue(n === n); |
| 34 | assertFalse(null === void 0); |
| 35 | assertFalse(void 0 === null); |
| 36 | assertFalse(u === null); |
| 37 | assertFalse(null === u); |
| 38 | assertFalse(n === u); |
| 39 | assertFalse(u === n); |
| 40 | assertTrue(void 0 === void 0); |
| 41 | assertTrue(u === u); |
| 42 | assertTrue(u === void 0); |
| 43 | assertTrue(void 0 === u); |
| 44 | |
| 45 | assertTrue('foo' === 'foo'); |
| 46 | assertFalse('bar' === 'foo'); |
| 47 | assertFalse('foo' === new String('foo')); |
| 48 | assertFalse(new String('foo') === new String('foo')); |
| 49 | var s = new String('foo'); |
| 50 | assertTrue(s === s); |
| 51 | assertFalse(s === null); |
| 52 | assertFalse(s === void 0); |
| 53 | assertFalse('foo' === null); |
| 54 | assertFalse('foo' === 7); |
| 55 | assertFalse('foo' === true); |
| 56 | assertFalse('foo' === void 0); |
| 57 | assertFalse('foo' === {}); |
| 58 | |
| 59 | assertFalse({} === {}); |
| 60 | var x = {}; |
| 61 | assertTrue(x === x); |
| 62 | assertFalse(x === null); |
| 63 | assertFalse(x === 7); |
| 64 | assertFalse(x === true); |
| 65 | assertFalse(x === void 0); |
| 66 | assertFalse(x === {}); |
| 67 | |
| 68 | assertTrue(true === true); |
| 69 | assertTrue(false === false); |
| 70 | assertFalse(false === true); |
| 71 | assertFalse(true === false); |
| 72 | assertFalse(true === new Boolean(true)); |
| 73 | assertFalse(true === new Boolean(false)); |
| 74 | assertFalse(false === new Boolean(true)); |
| 75 | assertFalse(false === new Boolean(false)); |
| 76 | assertFalse(true === 0); |
| 77 | assertFalse(true === 1); |
| 78 | |
| 79 | assertTrue(0 === 0); |
| 80 | assertTrue(-0 === -0); |
| 81 | assertTrue(-0 === 0); |
| 82 | assertTrue(0 === -0); |
| 83 | assertFalse(0 === new Number(0)); |
| 84 | assertFalse(1 === new Number(1)); |
| 85 | assertTrue(4.2 === 4.2); |
| 86 | assertTrue(4.2 === Number(4.2)); |