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-iterator-changing.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,29 @@
     1.4 +// Array iterators reflect changes to elements of the underlying array.
     1.5 +
     1.6 +load(libdir + "asserts.js");
     1.7 +load(libdir + "iteration.js");
     1.8 +
     1.9 +var arr = [0, 1, 2];
    1.10 +var it = arr[std_iterator]();
    1.11 +arr[0] = 1000;
    1.12 +arr[2] = 2000;
    1.13 +assertIteratorNext(it, 1000);
    1.14 +assertIteratorNext(it, 1);
    1.15 +assertIteratorNext(it, 2000);
    1.16 +assertIteratorDone(it, undefined);
    1.17 +
    1.18 +// test that .keys() and .entries() have the same behaviour
    1.19 +
    1.20 +arr = [0, 1, 2];
    1.21 +var ki = arr.keys();
    1.22 +var ei = arr.entries();
    1.23 +arr[0] = 1000;
    1.24 +arr[2] = 2000;
    1.25 +assertIteratorNext(ki, 0);
    1.26 +assertIteratorNext(ei, [0, 1000]);
    1.27 +assertIteratorNext(ki, 1);
    1.28 +assertIteratorNext(ei, [1, 1]);
    1.29 +assertIteratorNext(ki, 2);
    1.30 +assertIteratorNext(ei, [2, 2000]);
    1.31 +assertIteratorDone(ki, undefined);
    1.32 +assertIteratorDone(ei, undefined);