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-proxy.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,47 @@
     1.4 +// An array iterator for a proxy calls the traps in a predictable order.
     1.5 +
     1.6 +load(libdir + "asserts.js");
     1.7 +load(libdir + "iteration.js");
     1.8 +
     1.9 +var s = '';
    1.10 +
    1.11 +var proxyObj = {
    1.12 +    get: function (recipient, name) {
    1.13 +        if (name == 'length') {
    1.14 +            s += 'L';
    1.15 +            return 2;
    1.16 +        } else {
    1.17 +            s += name;
    1.18 +            return name;
    1.19 +        }
    1.20 +    }
    1.21 +};
    1.22 +
    1.23 +var it = Array.prototype[std_iterator].call(Proxy.create(proxyObj));
    1.24 +
    1.25 +assertIteratorNext(it, "0");
    1.26 +s += ' ';
    1.27 +assertIteratorNext(it, "1");
    1.28 +s += ' ';
    1.29 +assertIteratorDone(it, undefined);
    1.30 +assertEq(s, "L0 L1 L");
    1.31 +
    1.32 +s = '';
    1.33 +var ki = Array.prototype.keys.call(Proxy.create(proxyObj));
    1.34 +
    1.35 +assertIteratorNext(ki, 0);
    1.36 +s += ' ';
    1.37 +assertIteratorNext(ki, 1);
    1.38 +s += ' ';
    1.39 +assertIteratorDone(ki, undefined);
    1.40 +assertEq(s, "L L L");
    1.41 +
    1.42 +s = '';
    1.43 +var ei = Array.prototype.entries.call(Proxy.create(proxyObj));
    1.44 +
    1.45 +assertIteratorNext(ei, [0, "0"]);
    1.46 +s += ' ';
    1.47 +assertIteratorNext(ei, [1, "1"]);
    1.48 +s += ' ';
    1.49 +assertIteratorDone(ei, undefined);
    1.50 +assertEq(s, "L0 L1 L");