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 // Number 29 assertTrue(typeof 0 == 'number'); 30 assertTrue(typeof 0 === 'number'); 31 assertTrue(typeof 1.2 == 'number'); 32 assertTrue(typeof 1.2 === 'number'); 33 assertFalse(typeof 'x' == 'number'); 34 assertFalse(typeof 'x' === 'number'); 35 36 // String 37 assertTrue(typeof 'x' == 'string'); 38 assertTrue(typeof 'x' === 'string'); 39 assertTrue(typeof ('x' + 'x') == 'string'); 40 assertTrue(typeof ('x' + 'x') === 'string'); 41 assertFalse(typeof 1 == 'string'); 42 assertFalse(typeof 1 === 'string'); 43 assertFalse(typeof Object() == 'string'); 44 assertFalse(typeof Object() === 'string'); 45 46 // Boolean 47 assertTrue(typeof true == 'boolean'); 48 assertTrue(typeof true === 'boolean'); 49 assertTrue(typeof false == 'boolean'); 50 assertTrue(typeof false === 'boolean'); 51 assertFalse(typeof 1 == 'boolean'); 52 assertFalse(typeof 1 === 'boolean'); 53 assertFalse(typeof Object() == 'boolean'); 54 assertFalse(typeof Object() === 'boolean'); 55 56 // Undefined 57 assertTrue(typeof void 0 == 'undefined'); 58 assertTrue(typeof void 0 === 'undefined'); 59 assertFalse(typeof 1 == 'undefined'); 60 assertFalse(typeof 1 === 'undefined'); 61 assertFalse(typeof Object() == 'undefined'); 62 assertFalse(typeof Object() === 'undefined'); 63 64 // Function 65 assertTrue(typeof Object == 'function'); 66 assertTrue(typeof Object === 'function'); 67 assertFalse(typeof 1 == 'function'); 68 assertFalse(typeof 1 === 'function'); 69 assertFalse(typeof Object() == 'function'); 70 assertFalse(typeof Object() === 'function'); 71 72 // Object 73 assertTrue(typeof Object() == 'object'); 74 assertTrue(typeof Object() === 'object'); 75 assertTrue(typeof new String('x') == 'object'); 76 assertTrue(typeof new String('x') === 'object'); 77 assertTrue(typeof ['x'] == 'object'); 78 assertTrue(typeof ['x'] === 'object'); 79 assertTrue(typeof null == 'object'); 80 assertTrue(typeof null === 'object'); 81 assertFalse(typeof 1 == 'object'); 82 assertFalse(typeof 1 === 'object'); 83 assertFalse(typeof 'x' == 'object'); // bug #674753 84 assertFalse(typeof 'x' === 'object'); 85 assertFalse(typeof Object == 'object'); 86 assertFalse(typeof Object === 'object'); 87 88