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 function Construct(x) { return x; } 29 30 assertFalse(null == new Construct(null)); 31 assertFalse(void 0 == new Construct(void 0)); 32 assertFalse(0 == new Construct(0)); 33 assertFalse(1 == new Construct(1)); 34 assertFalse(4.2 == new Construct(4.2)); 35 assertFalse('foo' == new Construct('foo')); 36 assertFalse(true == new Construct(true)); 37 38 x = {}; 39 assertTrue(x === new Construct(x)); 40 assertFalse(x === new Construct(null)); 41 assertFalse(x === new Construct(void 0)); 42 assertFalse(x === new Construct(1)); 43 assertFalse(x === new Construct(3.2)); 44 assertFalse(x === new Construct(false)); 45 assertFalse(x === new Construct('bar')); 46 x = []; 47 assertTrue(x === new Construct(x)); 48 x = new Boolean(true); 49 assertTrue(x === new Construct(x)); 50 x = new Number(42); 51 assertTrue(x === new Construct(x)); 52 x = new String('foo'); 53 assertTrue(x === new Construct(x)); 54 x = function() { }; 55 assertTrue(x === new Construct(x)); 56 57
