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/key-equality-NaN.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,15 @@
     1.4 +// NaN is equal to itself for the purpose of key lookups.
     1.5 +
     1.6 +var m = new Map;
     1.7 +m.set(NaN, "ok");
     1.8 +assertEq(m.has(NaN), true);
     1.9 +assertEq(m.get(NaN), "ok");
    1.10 +assertEq(m.delete(NaN), true);
    1.11 +assertEq(m.has(NaN), false);
    1.12 +assertEq(m.get(NaN), undefined);
    1.13 +
    1.14 +var s = new Set;
    1.15 +s.add(NaN);
    1.16 +assertEq(s.has(NaN), true);
    1.17 +assertEq(s.delete(NaN), true);
    1.18 +assertEq(s.has(NaN), false);