1 // Copyright 2012 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 // Test that global eval calls of strict code (independent from whether being 29 // direct or indirect) have their own lexical and variable environment. 30 31 var evil = eval; 32 33 // Test global direct strict eval. 34 // Expects new environment. 35 var no_touch = 0; 36 eval('"use strict"; var no_touch = 1;'); 37 assertSame(0, no_touch); 38 39 // Test global indirect strict eval. 40 // Expects new environment. 41 var no_touch = 0; 42 evil('"use strict"; var no_touch = 2;'); 43 assertSame(0, no_touch); 44 45 // Test global direct non-strict eval. 46 // Expects global environment. 47 var no_touch = 0; 48 eval('var no_touch = 3;'); 49 assertSame(3, no_touch); 50 51 // Test global indirect non-strict eval. 52 // Expects global environment. 53 var no_touch = 0; 54 evil('var no_touch = 4;'); 55 assertSame(4, no_touch); 56 57 // Test non-global direct strict eval in non-strict function. 58 // Expects new environment. 59 var no_touch = 0; 60 (function() { 61 var no_touch = 0; 62 eval('"use strict"; var no_touch = 5;'); 63 assertSame(0, no_touch); 64 })() 65 assertSame(0, no_touch); 66 67 // Test non-global indirect strict eval in non-strict function. 68 // Expects new environment. 69 var no_touch = 0; 70 (function() { 71 var no_touch = 0; 72 evil('"use strict"; var no_touch = 6;'); 73 assertSame(0, no_touch); 74 })() 75 assertSame(0, no_touch); 76 77 // Test non-global direct non-strict eval in non-strict function. 78 // Expects function environment. 79 var no_touch = 0; 80 (function() { 81 var no_touch = 0; 82 eval('var no_touch = 7;'); 83 assertSame(7, no_touch); 84 })() 85 assertSame(0, no_touch); 86 87 // Test non-global indirect non-strict eval in non-strict function. 88 // Expects global environment. 89 var no_touch = 0; 90 (function() { 91 var no_touch = 0; 92 evil('var no_touch = 8;'); 93 assertSame(0, no_touch); 94 })() 95 assertSame(8, no_touch); 96 97 // Test non-global direct strict eval in strict function. 98 // Expects new environment. 99 var no_touch = 0; 100 (function() { 101 "use strict"; 102 var no_touch = 0; 103 eval('"use strict"; var no_touch = 9;'); 104 assertSame(0, no_touch); 105 })() 106 assertSame(0, no_touch); 107 108 // Test non-global indirect strict eval in strict function. 109 // Expects new environment. 110 var no_touch = 0; 111 (function() { 112 "use strict"; 113 var no_touch = 0; 114 evil('"use strict"; var no_touch = 10;'); 115 assertSame(0, no_touch); 116 })() 117 assertSame(0, no_touch); 118 119 // Test non-global direct non-strict eval in strict function. 120 // Expects new environment. 121 var no_touch = 0; 122 (function() { 123 "use strict"; 124 var no_touch = 0; 125 eval('var no_touch = 11;'); 126 assertSame(0, no_touch); 127 })() 128 assertSame(0, no_touch); 129 130 // Test non-global indirect non-strict eval in strict function. 131 // Expects global environment. 132 var no_touch = 0; 133 (function() { 134 "use strict"; 135 var no_touch = 0; 136 evil('var no_touch = 12;'); 137 assertSame(0, no_touch); 138 })() 139 assertSame(12, no_touch); 140