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-iterator-remove-4.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,31 @@
     1.4 +// Multiple live iterators on the same Map can cope with removing entries.
     1.5 +
     1.6 +load(libdir + "iteration.js");
     1.7 +
     1.8 +// Make a map.
     1.9 +var map = Map();
    1.10 +var SIZE = 7;
    1.11 +for (var j = 0; j < SIZE; j++)
    1.12 +    map.set(j, j);
    1.13 +
    1.14 +// Make lots of iterators pointing to entry 2 of the map.
    1.15 +var NITERS = 5;
    1.16 +var iters = [];
    1.17 +for (var i = 0; i < NITERS; i++) {
    1.18 +    var iter = map[std_iterator]();
    1.19 +    assertIteratorNext(iter, [0, 0]);
    1.20 +    assertIteratorNext(iter, [1, 1]);
    1.21 +    iters[i] = iter;
    1.22 +}
    1.23 +
    1.24 +// Remove half of the map entries.
    1.25 +for (var j = 0; j < SIZE; j += 2)
    1.26 +    map.delete(j);
    1.27 +
    1.28 +// Make sure all the iterators still work.
    1.29 +for (var i = 0; i < NITERS; i++) {
    1.30 +    var iter = iters[i];
    1.31 +    for (var j = 3; j < SIZE; j += 2)
    1.32 +        assertIteratorNext(iter, [j, j]);
    1.33 +    assertIteratorDone(iter, undefined);
    1.34 +}