js/src/jit-test/tests/for-of/array-iterator-shrinking.js@6474c204b198
js/src/jit-test/tests/for-of/array-iterator-shrinking.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 // If an array is truncated to the left of an iterator it, it.next() returns { done: true }.
3 load(libdir + "asserts.js");
4 load(libdir + "iteration.js");
6 var arr = [0, 1, 2];
7 var it = arr[std_iterator]();
8 var ki = arr.keys();
9 var ei = arr.entries();
11 assertIteratorNext(it, 0);
12 assertIteratorNext(it, 1);
13 assertIteratorNext(ki, 0);
14 assertIteratorNext(ki, 1);
15 assertIteratorNext(ei, [0, 0]);
16 assertIteratorNext(ei, [1, 1]);
17 arr.length = 1;
18 assertIteratorDone(it, undefined);
19 assertIteratorDone(ki, undefined);
20 assertIteratorDone(ei, undefined);
