The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/collections/Map-delete.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,18 @@
     1.4 +// Map.prototype.delete works whether the key is present or not.
     1.5 +
     1.6 +var m = new Map;
     1.7 +var key = {};
     1.8 +
     1.9 +// when the map is new
    1.10 +assertEq(m.delete(key), false);
    1.11 +assertEq(m.has(key), false);
    1.12 +
    1.13 +// when the key is present
    1.14 +assertEq(m.set(key, 'x'), undefined);
    1.15 +assertEq(m.delete(key), true);
    1.16 +assertEq(m.has(key), false);
    1.17 +assertEq(m.get(key), undefined);
    1.18 +
    1.19 +// when the key has already been deleted
    1.20 +assertEq(m.delete(key), false);
    1.21 +assertEq(m.has(key), false);