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-clear-2.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,17 @@
     1.4 +// Clearing a Map removes its entries; the Map remains usable afterwards.
     1.5 +
     1.6 +var m = Map([["a", "b"], ["b", "c"]]);
     1.7 +assertEq(m.size, 2);
     1.8 +m.clear();
     1.9 +assertEq(m.size, 0);
    1.10 +assertEq(m.has("a"), false);
    1.11 +assertEq(m.get("a"), undefined);
    1.12 +assertEq(m.delete("a"), false);
    1.13 +assertEq(m.has("b"), false);
    1.14 +for (var pair of m)
    1.15 +    throw "FAIL";  // shouldn't be any pairs
    1.16 +
    1.17 +m.set("c", "d");
    1.18 +assertEq(m.size, 1);
    1.19 +assertEq(m.has("a"), false);
    1.20 +assertEq(m.has("b"), false);