Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 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); |