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-forEach.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,59 @@
     1.4 +/* test Map.prototype.forEach */
     1.5 +
     1.6 +load(libdir + 'asserts.js');
     1.7 +load(libdir + 'iteration.js');
     1.8 +
     1.9 +// testing success conditions of Map.prototype.forEach
    1.10 +
    1.11 +var testMap = new Map();
    1.12 +
    1.13 +function callback(value, key, map) {
    1.14 +    testMap.set(key, value);
    1.15 +    assertEq(map.has(key), true);
    1.16 +    assertEq(map.get(key), value);
    1.17 +}
    1.18 +
    1.19 +var initialMap = new Map([['a', 1], ['b', 2.3], [false, undefined]]);
    1.20 +initialMap.forEach(callback);
    1.21 +
    1.22 +// test that both the Maps are equal and are in same order
    1.23 +var iterator = initialMap[std_iterator]();
    1.24 +var count = 0;
    1.25 +for (var [k, v] of testMap) {
    1.26 +    assertEq(initialMap.has(k), true);
    1.27 +    assertEq(initialMap.get(k), testMap.get(k));
    1.28 +    assertIteratorNext(iterator, [k, testMap.get(k)]);
    1.29 +    count++;
    1.30 +}
    1.31 +
    1.32 +//check both the Maps we have are equal in size
    1.33 +assertEq(initialMap.size, testMap.size);
    1.34 +assertEq(initialMap.size, count);
    1.35 +
    1.36 +var x = { abc: 'test'};
    1.37 +function callback2(value, key, map) {
    1.38 +    assertEq(x, this);
    1.39 +}
    1.40 +initialMap = new Map([['a', 1]]);
    1.41 +initialMap.forEach(callback2, x);
    1.42 +
    1.43 +// testing failure conditions of Map.prototype.forEach
    1.44 +
    1.45 +var s = new Set([1, 2, 3]);
    1.46 +assertThrowsInstanceOf(function() {
    1.47 +    Map.prototype.forEach.call(s, callback);
    1.48 +}, TypeError, "Map.prototype.forEach should raise TypeError if not used on a Map");
    1.49 +
    1.50 +var fn = 2;
    1.51 +assertThrowsInstanceOf(function() {
    1.52 +    initialMap.forEach(fn);
    1.53 +}, TypeError, "Map.prototype.forEach should raise TypeError if callback is not a function");
    1.54 +
    1.55 +// testing that Map#forEach uses internal next() function and does not stop when
    1.56 +// StopIteration exception is thrown
    1.57 +
    1.58 +var m = new Map([["one", 1]]);
    1.59 +Object.getPrototypeOf(m[std_iterator]()).next = function () { throw "FAIL"; };
    1.60 +assertThrowsInstanceOf(function () {
    1.61 +  m.forEach(function () { throw StopIteration; });
    1.62 +}, StopIteration, "Map.prototype.forEach should use intrinsic next method.");