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 "use strict"; 32 var evil = eval; 33 34 // Test global direct strict eval in strict script. 35 // Expects new environment. 36 var no_touch = 0; 37 eval('"use strict"; var no_touch = 1;'); 38 assertSame(0, no_touch); 39 40 // Test global indirect strict eval in strict script. 41 // Expects new environment. 42 var no_touch = 0; 43 evil('"use strict"; var no_touch = 2;'); 44 assertSame(0, no_touch); 45 46 // Test global direct non-strict eval in strict script. 47 // Expects new environment. 48 var no_touch = 0; 49 eval('var no_touch = 3;'); 50 assertSame(0, no_touch); 51 52 // Test global indirect non-strict eval in strict script. 53 // Expects global environment. 54 var no_touch = 0; 55 evil('var no_touch = 4;'); 56 assertSame(4, no_touch); 57 58 // Test non-global direct strict eval in strict script. 59 // Expects new environment. 60 var no_touch = 0; 61 (function() { 62 var no_touch = 0; 63 eval('"use strict"; var no_touch = 5;'); 64 assertSame(0, no_touch); 65 })() 66 assertSame(0, no_touch); 67 68 // Test non-global indirect strict eval in strict script. 69 // Expects new environment. 70 var no_touch = 0; 71 (function() { 72 var no_touch = 0; 73 evil('"use strict"; var no_touch = 6;'); 74 assertSame(0, no_touch); 75 })() 76 assertSame(0, no_touch); 77 78 // Test non-global direct non-strict eval in strict script. 79 // Expects new environment. 80 var no_touch = 0; 81 (function() { 82 var no_touch = 0; 83 eval('var no_touch = 7;'); 84 assertSame(0, no_touch); 85 })() 86 assertSame(0, no_touch); 87 88 // Test non-global indirect non-strict eval in strict script. 89 // Expects global environment. 90 var no_touch = 0; 91 (function() { 92 var no_touch = 0; 93 evil('var no_touch = 8;'); 94 assertSame(0, no_touch); 95 })() 96 assertSame(8, no_touch); 97 98 // Test non-global direct strict eval in strict script. 99 // Expects new environment. 100 var no_touch = 0; 101 (function() { 102 "use strict"; 103 var no_touch = 0; 104 eval('"use strict"; var no_touch = 9;'); 105 assertSame(0, no_touch); 106 })() 107 assertSame(0, no_touch); 108 109 // Test non-global indirect strict eval in strict script. 110 // Expects new environment. 111 var no_touch = 0; 112 (function() { 113 "use strict"; 114 var no_touch = 0; 115 evil('"use strict"; var no_touch = 10;'); 116 assertSame(0, no_touch); 117 })() 118 assertSame(0, no_touch); 119 120 // Test non-global direct non-strict eval in strict script. 121 // Expects new environment. 122 var no_touch = 0; 123 (function() { 124 "use strict"; 125 var no_touch = 0; 126 eval('var no_touch = 11;'); 127 assertSame(0, no_touch); 128 })() 129 assertSame(0, no_touch); 130 131 // Test non-global indirect non-strict eval in strict script. 132 // Expects global environment. 133 var no_touch = 0; 134 (function() { 135 "use strict"; 136 var no_touch = 0; 137 evil('var no_touch = 12;'); 138 assertSame(0, no_touch); 139 })() 140 assertSame(12, no_touch); 141