The Tor Browser / file comparison
comparison: js/src/tests/ecma_5/extensions/nested-delete-name-in-evalcode.js
js/src/tests/ecma_5/extensions/nested-delete-name-in-evalcode.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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deleted
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| -1:000000000000 | 0:492d82ac13aa |
|---|---|
| 1 // |reftest| fails -- bug 604301, at a minimum | |
| 2 // Any copyright is dedicated to the Public Domain. | |
| 3 // http://creativecommons.org/licenses/publicdomain/ | |
| 4 | |
| 5 //----------------------------------------------------------------------------- | |
| 6 var BUGNUMBER = 616294; | |
| 7 var summary = | |
| 8 "|delete x| inside a function in eval code, where that eval code includes " + | |
| 9 "|var x| at top level, actually does delete the binding for x"; | |
| 10 | |
| 11 print(BUGNUMBER + ": " + summary); | |
| 12 | |
| 13 /************** | |
| 14 * BEGIN TEST * | |
| 15 **************/ | |
| 16 | |
| 17 var f; | |
| 18 | |
| 19 function testOuterLet() | |
| 20 { | |
| 21 return eval("let x; (function() { return delete x; })"); | |
| 22 } | |
| 23 | |
| 24 f = testOuterLet(); | |
| 25 | |
| 26 assertEq(f(), true); // configurable, so remove => true | |
| 27 assertEq(f(), true); // not there => true (only non-configurable => false) | |
| 28 | |
| 29 | |
| 30 function testOuterForLet() | |
| 31 { | |
| 32 return eval("for (let x; false; ); (function() { return delete x; })"); | |
| 33 } | |
| 34 | |
| 35 f = testOuterForLet(); | |
| 36 | |
| 37 assertEq(f(), true); // not there => true (only non-configurable => false) | |
| 38 | |
| 39 | |
| 40 function testOuterForInLet() | |
| 41 { | |
| 42 return eval("for (let x in {}); (function() { return delete x; })"); | |
| 43 } | |
| 44 | |
| 45 f = testOuterForInLet(); | |
| 46 | |
| 47 assertEq(f(), true); // configurable, so remove => true | |
| 48 assertEq(f(), true); // not there => true (only non-configurable => false) | |
| 49 | |
| 50 | |
| 51 function testOuterNestedVarInLetBlock() | |
| 52 { | |
| 53 return eval("let (x = 7) { var x = 9; } (function() { return delete x; })"); | |
| 54 } | |
| 55 | |
| 56 f = testOuterNestedVarInLetBlock(); | |
| 57 | |
| 58 assertEq(f(), true); // configurable var, so remove => true | |
| 59 assertEq(f(), true); // let still there, configurable => true | |
| 60 assertEq(f(), true); // nothing at all => true | |
| 61 | |
| 62 | |
| 63 function testOuterNestedVarInForLet() | |
| 64 { | |
| 65 return eval("for (let q = 0; q < 5; q++) { var x; } (function() { return delete x; })"); | |
| 66 } | |
| 67 | |
| 68 f = testOuterNestedVarInForLet(); | |
| 69 | |
| 70 assertEq(f(), true); // configurable, so remove => true | |
| 71 assertEq(f(), true); // there => true | |
| 72 | |
| 73 | |
| 74 function testArgumentShadowLet() | |
| 75 { | |
| 76 return eval("let x; (function(x) { return delete x; })"); | |
| 77 } | |
| 78 | |
| 79 f = testArgumentShadowLet(); | |
| 80 | |
| 81 assertEq(f(), false); // non-configurable argument => false | |
| 82 | |
| 83 | |
| 84 function testFunctionLocal() | |
| 85 { | |
| 86 return eval("(function() { let x; return delete x; })"); | |
| 87 } | |
| 88 | |
| 89 f = testFunctionLocal(); | |
| 90 | |
| 91 assertEq(f(), false); // defined by function code => not configurable => false | |
| 92 | |
| 93 | |
| 94 /******************************************************************************/ | |
| 95 | |
| 96 if (typeof reportCompare === "function") | |
| 97 reportCompare(true, true); | |
| 98 | |
| 99 print("All tests passed!"); |
