js/src/jit-test/tests/for-of/semantics-07.js@b8a032363ba2
js/src/jit-test/tests/for-of/semantics-07.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 // Deleting the .next method of an iterator in the middle of a for-of loop
2 // causes a TypeError at the next iteration.
4 load(libdir + "asserts.js");
5 load(libdir + "iteration.js");
7 var iterProto = Object.getPrototypeOf([][std_iterator]());
8 var s = '';
9 assertThrowsInstanceOf(function () {
10 for (var v of ['duck', 'duck', 'duck', 'goose', 'FAIL']) {
11 s += v;
12 if (v === 'goose')
13 delete iterProto.next;
14 s += '.';
15 }
16 }, TypeError);
17 assertEq(s, 'duck.duck.duck.goose.');
