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/semantics-11.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,43 @@
     1.4 +// for-of on a proxy causes a predictable sequence of trap calls.
     1.5 +
     1.6 +load(libdir + "iteration.js");
     1.7 +
     1.8 +var s = '';
     1.9 +
    1.10 +var i = 0;
    1.11 +var next_fn = Proxy.createFunction({}, function () {
    1.12 +    s += "n";
    1.13 +    if (i == 3)
    1.14 +        return { value: undefined, done: true };
    1.15 +    return { value: i++, done: false };
    1.16 +});
    1.17 +
    1.18 +var it = Proxy.create({
    1.19 +    get: function (receiver, name) {
    1.20 +        if (name == 'toSource') {
    1.21 +            s += '?';
    1.22 +            return function () 'it';
    1.23 +        }
    1.24 +        assertEq(name, "next");
    1.25 +        s += "N";
    1.26 +        return next_fn;
    1.27 +    }
    1.28 +});
    1.29 +
    1.30 +var iterator_fn = Proxy.createFunction({}, function () {
    1.31 +    s += 'i';
    1.32 +    return it;
    1.33 +});
    1.34 +
    1.35 +var obj = Proxy.create({
    1.36 +    get: function (receiver, name) {
    1.37 +        assertEq(name, std_iterator);
    1.38 +        s += "I";
    1.39 +        return iterator_fn;
    1.40 +    }
    1.41 +});
    1.42 +
    1.43 +for (var v of obj)
    1.44 +    s += v;
    1.45 +
    1.46 +assertEq(s, 'IiNn0Nn1Nn2Nn');