js/src/jit-test/tests/collections/Map-delete.js@6474c204b198 (annotated)
js/src/jit-test/tests/collections/Map-delete.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 | // Map.prototype.delete works whether the key is present or not. |
| michael@0 | 2 | |
| michael@0 | 3 | var m = new Map; |
| michael@0 | 4 | var key = {}; |
| michael@0 | 5 | |
| michael@0 | 6 | // when the map is new |
| michael@0 | 7 | assertEq(m.delete(key), false); |
| michael@0 | 8 | assertEq(m.has(key), false); |
| michael@0 | 9 | |
| michael@0 | 10 | // when the key is present |
| michael@0 | 11 | assertEq(m.set(key, 'x'), undefined); |
| michael@0 | 12 | assertEq(m.delete(key), true); |
| michael@0 | 13 | assertEq(m.has(key), false); |
| michael@0 | 14 | assertEq(m.get(key), undefined); |
| michael@0 | 15 | |
| michael@0 | 16 | // when the key has already been deleted |
| michael@0 | 17 | assertEq(m.delete(key), false); |
| michael@0 | 18 | assertEq(m.has(key), false); |
