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-generic.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,35 @@
     1.4 +// Array.prototype.iterator is generic.
     1.5 +// That is, it can be applied to arraylike objects and strings, not just arrays.
     1.6 +
     1.7 +load(libdir + "asserts.js");
     1.8 +load(libdir + "iteration.js");
     1.9 +
    1.10 +function test(obj) {
    1.11 +    var it = Array.prototype[std_iterator].call(obj);
    1.12 +    var ki = Array.prototype.keys.call(obj);
    1.13 +    var ei = Array.prototype.entries.call(obj);
    1.14 +    for (var i = 0; i < (obj.length >>> 0); i++) {
    1.15 +        assertIteratorNext(it, obj[i]);
    1.16 +        assertIteratorNext(ki, i);
    1.17 +        assertIteratorNext(ei, [i, obj[i]]);
    1.18 +    }
    1.19 +    assertIteratorDone(it, undefined);
    1.20 +    assertIteratorDone(ki, undefined);
    1.21 +    assertIteratorDone(ei, undefined);
    1.22 +}
    1.23 +
    1.24 +test({length: 0});
    1.25 +test({length: 0, 0: 'x', 1: 'y'});
    1.26 +test({length: 2, 0: 'x', 1: 'y'});
    1.27 +test(Object.create(['x', 'y', 'z']));
    1.28 +test(Object.create({length: 2, 0: 'x', 1: 'y'}));
    1.29 +test("");
    1.30 +test("ponies");
    1.31 +
    1.32 +// Perverse length values.
    1.33 +test({length: 0x1f00000000});
    1.34 +test({length: -0xfffffffe, 0: 'a', 1: 'b'});
    1.35 +test({length: "011", 9: 9, 10: 10, 11: 11});
    1.36 +test({length: -0});
    1.37 +test({length: 2.7, 0: 0, 1: 1, 2: 2});
    1.38 +test({length: {valueOf: function () { return 3; }}, 0: 0, 1: 1, 2: 2});