The Tor Browser / file comparison
comparison: js/src/tests/ecma_5/extensions/watch-array-length.js
js/src/tests/ecma_5/extensions/watch-array-length.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:3e3352a26163 |
|---|---|
| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 */ | |
| 5 | |
| 6 var hitCount; | |
| 7 function watcher(p,o,n) { hitCount++; return n; } | |
| 8 | |
| 9 var a = [1]; | |
| 10 a.watch('length', watcher); | |
| 11 hitCount = 0; | |
| 12 a.length = 0; | |
| 13 reportCompare(1, hitCount, "lenient; configurable: watchpoint hit"); | |
| 14 | |
| 15 var b = Object.defineProperty([1],'0',{configurable:false}); | |
| 16 b.watch('length', watcher); | |
| 17 hitCount = 0; | |
| 18 var result; | |
| 19 try { | |
| 20 b.length = 0; | |
| 21 result = "no error"; | |
| 22 } catch (x) { | |
| 23 result = x.toString(); | |
| 24 } | |
| 25 reportCompare(1, hitCount, "lenient; non-configurable: watchpoint hit"); | |
| 26 reportCompare(1, b.length, "lenient; non-configurable: length unchanged"); | |
| 27 reportCompare("no error", result, "lenient; non-configurable: no error thrown"); | |
| 28 | |
| 29 var c = Object.defineProperty([1],'0',{configurable:false}); | |
| 30 c.watch('length', watcher); | |
| 31 hitCount = 0; | |
| 32 var threwTypeError; | |
| 33 try { | |
| 34 (function(){'use strict'; c.length = 0;})(); | |
| 35 threwTypeError = false; | |
| 36 } catch (x) { | |
| 37 threwTypeError = x instanceof TypeError; | |
| 38 } | |
| 39 reportCompare(1, hitCount, "strict; non-configurable: watchpoint hit"); | |
| 40 reportCompare(1, c.length, "strict; non-configurable: length unchanged"); | |
| 41 reportCompare(true, threwTypeError, "strict; non-configurable: TypeError thrown"); |
