Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame^] | 1 | // Copyright 2011 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 functions introduced by eval work both when there are |
| 29 | // strict mode and non-strict mode eval in scopes. |
| 30 | |
| 31 | // Flags: --allow-natives-syntax |
| 32 | |
| 33 | var x = 27; |
| 34 | |
| 35 | function f() { return x; } |
| 36 | |
| 37 | assertEquals(27, f()); |
| 38 | |
| 39 | function do_eval(str) { |
| 40 | "use strict"; |
| 41 | return eval(str); |
| 42 | } |
| 43 | |
| 44 | var eval_f = do_eval('(' + f + ')'); |
| 45 | for (var i = 0; i < 5; i++) assertEquals(27, eval_f()); |
| 46 | %OptimizeFunctionOnNextCall(eval_f); |
| 47 | assertEquals(27, eval_f()); |
| 48 | |
| 49 | function do_eval_local(str) { |
| 50 | "use strict"; |
| 51 | var x = 42; |
| 52 | return eval(str); |
| 53 | } |
| 54 | |
| 55 | eval_f = do_eval_local('(' + f + ')'); |
| 56 | for (var i = 0; i < 5; i++) assertEquals(42, eval_f()); |
| 57 | %OptimizeFunctionOnNextCall(eval_f); |
| 58 | assertEquals(42, eval_f()); |
| 59 | |
| 60 | function do_eval_with_other_eval_call(str) { |
| 61 | "use strict"; |
| 62 | var f = eval(str); |
| 63 | eval('var x = 1'); |
| 64 | return f; |
| 65 | } |
| 66 | |
| 67 | eval_f = do_eval_with_other_eval_call('(' + f + ')'); |
| 68 | for (var i = 0; i < 5; i++) assertEquals(27, eval_f()); |
| 69 | %OptimizeFunctionOnNextCall(eval_f); |
| 70 | assertEquals(27, eval_f()); |
| 71 | |
| 72 | function test_non_strict_outer_eval() { |
| 73 | function strict_eval(str) { "use strict"; return eval(str); } |
| 74 | var eval_f = strict_eval('(' + f + ')'); |
| 75 | for (var i = 0; i < 5; i++) assertEquals(27, eval_f()); |
| 76 | %OptimizeFunctionOnNextCall(eval_f); |
| 77 | assertEquals(27, eval_f()); |
| 78 | eval("var x = 3"); |
| 79 | assertEquals(3, eval_f()); |
| 80 | } |
| 81 | |
| 82 | test_non_strict_outer_eval(); |
| 83 | |
| 84 | function test_strict_outer_eval() { |
| 85 | "use strict"; |
| 86 | function strict_eval(str) { "use strict"; return eval(str); } |
| 87 | var eval_f = strict_eval('(' + f + ')'); |
| 88 | for (var i = 0; i < 5; i++) assertEquals(27, eval_f()); |
| 89 | %OptimizeFunctionOnNextCall(eval_f); |
| 90 | assertEquals(27, eval_f()); |
| 91 | eval("var x = 3"); |
| 92 | assertEquals(27, eval_f()); |
| 93 | } |
| 94 | |
| 95 | test_non_strict_outer_eval(); |