| /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| //----------------------------------------------------------------------------- |
| var BUGNUMBER = "(none)"; |
| var summary = "calling it.close multiple times is harmless"; |
| var actual, expect; |
| |
| printBugNumber(BUGNUMBER); |
| printStatus(summary); |
| |
| /************** |
| * BEGIN TEST * |
| **************/ |
| |
| function fib() |
| { |
| yield 0; // 0 |
| yield 1; // 1 |
| yield 1; // 2 |
| yield 2; // 3 |
| yield 3; // 4 |
| yield 5; // 5 |
| yield 8; // 6 |
| } |
| |
| var failed = false; |
| var it = fib(); |
| |
| try |
| { |
| if (it.next() != 0) |
| throw "0 failed"; |
| |
| // closing an already-closed generator is a no-op |
| it.close(); |
| it.close(); |
| it.close(); |
| |
| var stopPassed = false; |
| try |
| { |
| it.next(); |
| } |
| catch (e) |
| { |
| if (e === StopIteration) |
| stopPassed = true; |
| } |
| if (!stopPassed) |
| throw "a closed iterator throws StopIteration on next"; |
| } |
| catch (e) |
| { |
| failed = e; |
| } |
| |
| |
| |
| expect = false; |
| actual = failed; |
| |
| reportCompare(expect, actual, summary); |