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/for-of/semantics-04.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,17 @@
     1.4 +// Giving an Array an own .iterator property affects for-of.
     1.5 +
     1.6 +load(libdir + "asserts.js");
     1.7 +load(libdir + "iteration.js");
     1.8 +
     1.9 +var a = [];
    1.10 +a[std_iterator] = function* () {
    1.11 +    yield 'o';
    1.12 +    yield 'k';
    1.13 +};
    1.14 +var s = '';
    1.15 +for (var v of a)
    1.16 +    s += v;
    1.17 +assertEq(s, 'ok');
    1.18 +
    1.19 +a[std_iterator] = undefined;
    1.20 +assertThrowsInstanceOf(function () { for (var v of a) ; }, TypeError);