js/src/tests/js1_7/geniter/multiple-close.js@6474c204b198 (annotated)
js/src/tests/js1_7/geniter/multiple-close.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | //----------------------------------------------------------------------------- |
| michael@0 | 7 | var BUGNUMBER = "(none)"; |
| michael@0 | 8 | var summary = "calling it.close multiple times is harmless"; |
| michael@0 | 9 | var actual, expect; |
| michael@0 | 10 | |
| michael@0 | 11 | printBugNumber(BUGNUMBER); |
| michael@0 | 12 | printStatus(summary); |
| michael@0 | 13 | |
| michael@0 | 14 | /************** |
| michael@0 | 15 | * BEGIN TEST * |
| michael@0 | 16 | **************/ |
| michael@0 | 17 | |
| michael@0 | 18 | function fib() |
| michael@0 | 19 | { |
| michael@0 | 20 | yield 0; // 0 |
| michael@0 | 21 | yield 1; // 1 |
| michael@0 | 22 | yield 1; // 2 |
| michael@0 | 23 | yield 2; // 3 |
| michael@0 | 24 | yield 3; // 4 |
| michael@0 | 25 | yield 5; // 5 |
| michael@0 | 26 | yield 8; // 6 |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | var failed = false; |
| michael@0 | 30 | var it = fib(); |
| michael@0 | 31 | |
| michael@0 | 32 | try |
| michael@0 | 33 | { |
| michael@0 | 34 | if (it.next() != 0) |
| michael@0 | 35 | throw "0 failed"; |
| michael@0 | 36 | |
| michael@0 | 37 | // closing an already-closed generator is a no-op |
| michael@0 | 38 | it.close(); |
| michael@0 | 39 | it.close(); |
| michael@0 | 40 | it.close(); |
| michael@0 | 41 | |
| michael@0 | 42 | var stopPassed = false; |
| michael@0 | 43 | try |
| michael@0 | 44 | { |
| michael@0 | 45 | it.next(); |
| michael@0 | 46 | } |
| michael@0 | 47 | catch (e) |
| michael@0 | 48 | { |
| michael@0 | 49 | if (e === StopIteration) |
| michael@0 | 50 | stopPassed = true; |
| michael@0 | 51 | } |
| michael@0 | 52 | if (!stopPassed) |
| michael@0 | 53 | throw "a closed iterator throws StopIteration on next"; |
| michael@0 | 54 | } |
| michael@0 | 55 | catch (e) |
| michael@0 | 56 | { |
| michael@0 | 57 | failed = e; |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | |
| michael@0 | 61 | |
| michael@0 | 62 | expect = false; |
| michael@0 | 63 | actual = failed; |
| michael@0 | 64 | |
| michael@0 | 65 | reportCompare(expect, actual, summary); |
