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// When calling user-defined functions on strings, booleans or 29// numbers, we should create a wrapper object. 30 31// When running the tests use loops to ensure that the call site moves through 32// the different IC states and that both the runtime system and the generated 33// IC code is tested. 34function RunTests() { 35 for (var i = 0; i < 10; i++) { 36 assertEquals('object', 'xxx'.TypeOfThis()); 37 assertEquals('object', true.TypeOfThis(2,3)); 38 assertEquals('object', false.TypeOfThis()); 39 assertEquals('object', (42).TypeOfThis()); 40 assertEquals('object', (3.14).TypeOfThis()); 41 } 42 43 for (var i = 0; i < 10; i++) { 44 assertEquals('object', 'xxx'['TypeOfThis']()); 45 assertEquals('object', true['TypeOfThis']()); 46 assertEquals('object', false['TypeOfThis']()); 47 assertEquals('object', (42)['TypeOfThis']()); 48 assertEquals('object', (3.14)['TypeOfThis']()); 49 } 50 51 function CallTypeOfThis(obj) { 52 assertEquals('object', obj.TypeOfThis()); 53 } 54 55 for (var i = 0; i < 10; i++) { 56 CallTypeOfThis('xxx'); 57 CallTypeOfThis(true); 58 CallTypeOfThis(false); 59 CallTypeOfThis(42); 60 CallTypeOfThis(3.14); 61 } 62 63 function TestWithWith(obj) { 64 with (obj) { 65 for (var i = 0; i < 10; i++) { 66 assertEquals('object', TypeOfThis()); 67 } 68 } 69 } 70 71 TestWithWith('xxx'); 72 TestWithWith(true); 73 TestWithWith(false); 74 TestWithWith(42); 75 TestWithWith(3.14); 76 77 for (var i = 0; i < 10; i++) { 78 assertEquals('object', true[7]()); 79 assertEquals('object', false[7]()); 80 assertEquals('object', (42)[7]()); 81 assertEquals('object', (3.14)[7]()); 82 } 83 84 for (var i = 0; i < 10; i++) { 85 assertEquals('object', typeof 'xxx'.ObjectValueOf()); 86 assertEquals('object', typeof true.ObjectValueOf()); 87 assertEquals('object', typeof false.ObjectValueOf()); 88 assertEquals('object', typeof (42).ObjectValueOf()); 89 assertEquals('object', typeof (3.14).ObjectValueOf()); 90 } 91 92 for (var i = 0; i < 10; i++) { 93 assertEquals('[object String]', 'xxx'.ObjectToString()); 94 assertEquals('[object Boolean]', true.ObjectToString()); 95 assertEquals('[object Boolean]', false.ObjectToString()); 96 assertEquals('[object Number]', (42).ObjectToString()); 97 assertEquals('[object Number]', (3.14).ObjectToString()); 98 } 99} 100 101function TypeOfThis() { return typeof this; } 102 103// Test with normal setup of prototype. 104String.prototype.TypeOfThis = TypeOfThis; 105Boolean.prototype.TypeOfThis = TypeOfThis; 106Number.prototype.TypeOfThis = TypeOfThis; 107Boolean.prototype[7] = TypeOfThis; 108Number.prototype[7] = TypeOfThis; 109 110String.prototype.ObjectValueOf = Object.prototype.valueOf; 111Boolean.prototype.ObjectValueOf = Object.prototype.valueOf; 112Number.prototype.ObjectValueOf = Object.prototype.valueOf; 113 114String.prototype.ObjectToString = Object.prototype.toString; 115Boolean.prototype.ObjectToString = Object.prototype.toString; 116Number.prototype.ObjectToString = Object.prototype.toString; 117 118RunTests(); 119 120// Run test after properties have been set to a different value. 121String.prototype.TypeOfThis = 'x'; 122Boolean.prototype.TypeOfThis = 'x'; 123Number.prototype.TypeOfThis = 'x'; 124Boolean.prototype[7] = 'x'; 125Number.prototype[7] = 'x'; 126 127String.prototype.TypeOfThis = TypeOfThis; 128Boolean.prototype.TypeOfThis = TypeOfThis; 129Number.prototype.TypeOfThis = TypeOfThis; 130Boolean.prototype[7] = TypeOfThis; 131Number.prototype[7] = TypeOfThis; 132 133RunTests(); 134 135// Force the prototype into slow case and run the test again. 136delete String.prototype.TypeOfThis; 137delete Boolean.prototype.TypeOfThis; 138delete Number.prototype.TypeOfThis; 139Boolean.prototype[7]; 140Number.prototype[7]; 141 142String.prototype.TypeOfThis = TypeOfThis; 143Boolean.prototype.TypeOfThis = TypeOfThis; 144Number.prototype.TypeOfThis = TypeOfThis; 145Boolean.prototype[7] = TypeOfThis; 146Number.prototype[7] = TypeOfThis; 147 148RunTests(); 149 150// According to ES3 15.3.4.3 the this value passed to Function.prototyle.apply 151// should wrapped. According to ES5 it should not. 152assertEquals('object', TypeOfThis.apply('xxx', [])); 153assertEquals('object', TypeOfThis.apply(true, [])); 154assertEquals('object', TypeOfThis.apply(false, [])); 155assertEquals('object', TypeOfThis.apply(42, [])); 156assertEquals('object', TypeOfThis.apply(3.14, [])); 157 158// According to ES3 15.3.4.3 the this value passed to Function.prototyle.call 159// should wrapped. According to ES5 it should not. 160assertEquals('object', TypeOfThis.call('xxx')); 161assertEquals('object', TypeOfThis.call(true)); 162assertEquals('object', TypeOfThis.call(false)); 163assertEquals('object', TypeOfThis.call(42)); 164assertEquals('object', TypeOfThis.call(3.14)); 165