js/src/jit-test/tests/for-of/semantics-04.js@6474c204b198
js/src/jit-test/tests/for-of/semantics-04.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.
1 // Giving an Array an own .iterator property affects for-of.
3 load(libdir + "asserts.js");
4 load(libdir + "iteration.js");
6 var a = [];
7 a[std_iterator] = function* () {
8 yield 'o';
9 yield 'k';
10 };
11 var s = '';
12 for (var v of a)
13 s += v;
14 assertEq(s, 'ok');
16 a[std_iterator] = undefined;
17 assertThrowsInstanceOf(function () { for (var v of a) ; }, TypeError);
