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-set-size.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,14 @@
     1.4 +// map.set(k, v) increments the map size iff map didn't already have an entry for k.
     1.5 +
     1.6 +var m = Map();
     1.7 +m.set('a', 0);
     1.8 +assertEq(m.size, 1);
     1.9 +m.set('a', 0);
    1.10 +assertEq(m.size, 1);
    1.11 +m.set('a', undefined);
    1.12 +assertEq(m.size, 1);
    1.13 +
    1.14 +m.set('b', 2);
    1.15 +assertEq(m.size, 2);
    1.16 +m.set('a', 1);
    1.17 +assertEq(m.size, 2);