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-slow.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,13 @@
     1.4 +// for-of on a slow Array consults the prototype chain when it encounters a hole.
     1.5 +
     1.6 +var a = [0, , , 3];
     1.7 +a.slow = true;
     1.8 +Object.prototype[1] = 'peek1';
     1.9 +Array.prototype[2] = 'peek2';
    1.10 +
    1.11 +var log = [];
    1.12 +for (var x of a)
    1.13 +    log.push(x);
    1.14 +assertEq(log[1], 'peek1');
    1.15 +assertEq(log[2], 'peek2');
    1.16 +assertEq(log.join(), "0,peek1,peek2,3");