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/array-holes-4.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,13 @@
     1.4 +// for-of on an Array consults the prototype chain when it encounters a hole.
     1.5 +
     1.6 +load(libdir + "iteration.js");
     1.7 +
     1.8 +var m = {1: 'peek'};
     1.9 +var a = [0, , 2, 3];
    1.10 +a.__proto__ = m;
    1.11 +var log = [];
    1.12 +Object.prototype[std_iterator] = Array.prototype[std_iterator];
    1.13 +for (var x of a)
    1.14 +    log.push(x);
    1.15 +assertEq(log[1], 'peek');
    1.16 +assertEq(log.join(), "0,peek,2,3");