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| 1 // Copyright 2009 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 // Tests loading of properties across eval calls. |
| 29 |
| 30 var x = 1; |
| 31 |
| 32 // Test loading across an eval call that does not shadow variables. |
| 33 function testNoShadowing() { |
| 34 var y = 2; |
| 35 function f() { |
| 36 eval('1'); |
| 37 assertEquals(1, x); |
| 38 assertEquals(2, y); |
| 39 function g() { |
| 40 assertEquals(1, x); |
| 41 assertEquals(2, y); |
| 42 } |
| 43 g(); |
| 44 } |
| 45 f(); |
| 46 } |
| 47 |
| 48 testNoShadowing(); |
| 49 |
| 50 // Test loading across eval calls that do not shadow variables. |
| 51 function testNoShadowing2() { |
| 52 var y = 2; |
| 53 eval('1'); |
| 54 function f() { |
| 55 eval('1'); |
| 56 assertEquals(1, x); |
| 57 assertEquals(2, y); |
| 58 function g() { |
| 59 assertEquals(1, x); |
| 60 assertEquals(2, y); |
| 61 } |
| 62 g(); |
| 63 } |
| 64 f(); |
| 65 } |
| 66 |
| 67 testNoShadowing2(); |
| 68 |
| 69 // Test loading across an eval call that shadows variables. |
| 70 function testShadowing() { |
| 71 var y = 2; |
| 72 function f() { |
| 73 eval('var x = 3; var y = 4;'); |
| 74 assertEquals(3, x); |
| 75 assertEquals(4, y); |
| 76 function g() { |
| 77 assertEquals(3, x); |
| 78 assertEquals(4, y); |
| 79 } |
| 80 g(); |
| 81 } |
| 82 f(); |
| 83 } |
| 84 |
| 85 testShadowing(); |
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