The Tor Browser / file comparison
comparison: js/src/tests/js1_7/geniter/throw-forever.js
js/src/tests/js1_7/geniter/throw-forever.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:5e78a2facb1f |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 //----------------------------------------------------------------------------- | |
| 7 var BUGNUMBER = "(none)"; | |
| 8 var summary = "gen.throw(ex) returns ex for an exhausted gen"; | |
| 9 var actual, expect; | |
| 10 | |
| 11 printBugNumber(BUGNUMBER); | |
| 12 printStatus(summary); | |
| 13 | |
| 14 /************** | |
| 15 * BEGIN TEST * | |
| 16 **************/ | |
| 17 | |
| 18 function gen() | |
| 19 { | |
| 20 var x = 5, y = 7; | |
| 21 var z = x + y; | |
| 22 yield z; | |
| 23 } | |
| 24 | |
| 25 var failed = false; | |
| 26 var it = gen(); | |
| 27 | |
| 28 try | |
| 29 { | |
| 30 // throw works even on newly-initialized generators | |
| 31 var thrown = "foobar"; | |
| 32 var doThrow = true; | |
| 33 try | |
| 34 { | |
| 35 it.throw(thrown); | |
| 36 } | |
| 37 catch (e) | |
| 38 { | |
| 39 if (e === thrown) | |
| 40 doThrow = false; | |
| 41 } | |
| 42 if (doThrow) | |
| 43 throw "it.throw(\"" + thrown + "\") failed"; | |
| 44 | |
| 45 // you can throw stuff at a generator which hasn't | |
| 46 // been used yet forever | |
| 47 thrown = "baz"; | |
| 48 doThrow = true; | |
| 49 try | |
| 50 { | |
| 51 it.throw(thrown); | |
| 52 } | |
| 53 catch (e) | |
| 54 { | |
| 55 if (e === thrown) | |
| 56 doThrow = false; | |
| 57 } | |
| 58 if (doThrow) | |
| 59 throw "it.throw(\"" + thrown + "\") failed"; | |
| 60 | |
| 61 // don't execute a yield -- the uncaught exception | |
| 62 // exhausted the generator | |
| 63 var stopPassed = false; | |
| 64 try | |
| 65 { | |
| 66 it.next(); | |
| 67 } | |
| 68 catch (e) | |
| 69 { | |
| 70 if (e === StopIteration) | |
| 71 stopPassed = true; | |
| 72 } | |
| 73 | |
| 74 if (!stopPassed) | |
| 75 throw "missing or incorrect StopIteration"; | |
| 76 } | |
| 77 catch (e) | |
| 78 { | |
| 79 failed = e; | |
| 80 } | |
| 81 | |
| 82 expect = false; | |
| 83 actual = failed; | |
| 84 | |
| 85 reportCompare(expect, actual, summary); |
