js/src/jit-test/tests/collections/iterator-proto-1.js@6474c204b198 (annotated)
js/src/jit-test/tests/collections/iterator-proto-1.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 | // All iterators of the same collection type share their immediate prototype. |
| michael@0 | 2 | // Those prototype objects in turn inherit directly from Iterator.prototype. |
| michael@0 | 3 | |
| michael@0 | 4 | load(libdir + "iteration.js"); |
| michael@0 | 5 | |
| michael@0 | 6 | function test(obj0, obj1) { |
| michael@0 | 7 | var iter0 = obj0[std_iterator](), iter1 = obj1[std_iterator](); |
| michael@0 | 8 | var proto = Object.getPrototypeOf(iter0); |
| michael@0 | 9 | assertEq(Object.getPrototypeOf(iter1), proto); |
| michael@0 | 10 | assertEq(Object.getPrototypeOf(proto), Iterator.prototype); |
| michael@0 | 11 | } |
| michael@0 | 12 | |
| michael@0 | 13 | test([], [1]); |
| michael@0 | 14 | test(Map(), Map([[1, 1]])); |
| michael@0 | 15 | test(Set(), Set([1])); |
