js/src/jit-test/tests/for-of/array-iterator-changing.js@6474c204b198 (annotated)
js/src/jit-test/tests/for-of/array-iterator-changing.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.
| michael@0 | 1 | // Array iterators reflect changes to elements of the underlying array. |
| michael@0 | 2 | |
| michael@0 | 3 | load(libdir + "asserts.js"); |
| michael@0 | 4 | load(libdir + "iteration.js"); |
| michael@0 | 5 | |
| michael@0 | 6 | var arr = [0, 1, 2]; |
| michael@0 | 7 | var it = arr[std_iterator](); |
| michael@0 | 8 | arr[0] = 1000; |
| michael@0 | 9 | arr[2] = 2000; |
| michael@0 | 10 | assertIteratorNext(it, 1000); |
| michael@0 | 11 | assertIteratorNext(it, 1); |
| michael@0 | 12 | assertIteratorNext(it, 2000); |
| michael@0 | 13 | assertIteratorDone(it, undefined); |
| michael@0 | 14 | |
| michael@0 | 15 | // test that .keys() and .entries() have the same behaviour |
| michael@0 | 16 | |
| michael@0 | 17 | arr = [0, 1, 2]; |
| michael@0 | 18 | var ki = arr.keys(); |
| michael@0 | 19 | var ei = arr.entries(); |
| michael@0 | 20 | arr[0] = 1000; |
| michael@0 | 21 | arr[2] = 2000; |
| michael@0 | 22 | assertIteratorNext(ki, 0); |
| michael@0 | 23 | assertIteratorNext(ei, [0, 1000]); |
| michael@0 | 24 | assertIteratorNext(ki, 1); |
| michael@0 | 25 | assertIteratorNext(ei, [1, 1]); |
| michael@0 | 26 | assertIteratorNext(ki, 2); |
| michael@0 | 27 | assertIteratorNext(ei, [2, 2000]); |
| michael@0 | 28 | assertIteratorDone(ki, undefined); |
| michael@0 | 29 | assertIteratorDone(ei, undefined); |
