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