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| 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); |
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