Wed, 31 Dec 2014 06:55:50 +0100
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
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);