diff options
Diffstat (limited to 'js/src/tests/js1_7/geniter/throw-after-close.js')
-rw-r--r-- | js/src/tests/js1_7/geniter/throw-after-close.js | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/js/src/tests/js1_7/geniter/throw-after-close.js b/js/src/tests/js1_7/geniter/throw-after-close.js new file mode 100644 index 000000000..3aef5e306 --- /dev/null +++ b/js/src/tests/js1_7/geniter/throw-after-close.js @@ -0,0 +1,90 @@ +/* -*- 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 = "gen.close(); gen.throw(ex) throws ex forever"; +var actual, expect; + +printBugNumber(BUGNUMBER); +printStatus(summary); + +/************** + * BEGIN TEST * + **************/ + +function gen() +{ + var x = 5, y = 7; + var z = x + y; + yield z; +} + +var failed = false; +var it = gen(); + +try +{ + it.close(); + + // throw on closed generators just rethrows + var doThrow = true; + var thrown = "foobar"; + try + { + it.throw(thrown); + } + catch (e) + { + if (e === thrown) + doThrow = false; + } + + if (doThrow) + throw "it.throw(\"" + thrown + "\") failed"; + + // you can throw stuff at a closed generator forever + doThrow = true; + thrown = "sparky"; + try + { + it.throw(thrown); + } + catch (e) + { + if (e === thrown) + doThrow = false; + } + + if (doThrow) + throw "it.throw(\"" + thrown + "\") failed"; + + // don't execute a yield -- the uncaught exception + // exhausted the generator + var stopPassed = false; + try + { + it.next(); + } + catch (e) + { + if (e === StopIteration) + stopPassed = true; + } + + if (!stopPassed) + throw "invalid or incorrect StopIteration"; +} +catch (e) +{ + failed = e; +} + + + +expect = false; +actual = failed; + +reportCompare(expect, actual, summary); |