mirror of https://github.com/tc39/test262.git
93 lines
1.9 KiB
JavaScript
93 lines
1.9 KiB
JavaScript
// Reviewed
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function testValue(value, expected) {
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if (value !== expected)
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throw new Error("bad value: expected:(" + expected + "),actual:(" + value +").");
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}
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var set = new Set([0]);
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var counter = 0;
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for (var elm of set) {
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testValue(elm, counter);
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set.add(elm + 1);
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if (elm > 10000) {
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set.clear();
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}
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++counter;
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}
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testValue(counter, 10002);
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var set = new Set([0, 1, 2, 3]);
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var counter = 0;
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for (var elm of set) {
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testValue(elm, counter);
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set.clear();
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++counter;
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}
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testValue(counter, 1);
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var set = new Set([0, 1, 2, 3]);
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var exp = [0, 2, 3];
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var counter = 0;
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for (var elm of set) {
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testValue(elm, exp[counter]);
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set.delete(counter + 1);
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++counter;
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}
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testValue(counter, 3);
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var set = new Set([0, 1, 2, 3]);
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var iter = set[Symbol.iterator]();
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var iter2 = set[Symbol.iterator]();
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testValue(iter2.next().value, 0);
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// Consume all output of iter.
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for (var elm of iter);
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testValue(iter.next().done, true);
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testValue(iter.next().value, undefined);
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set.clear();
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set.add(1).add(2).add(3);
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testValue(iter.next().done, true);
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testValue(iter.next().value, undefined);
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testValue(iter2.next().value, 1);
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testValue(iter2.next().value, 2);
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testValue(iter2.next().value, 3);
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var set = new Set();
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set.add(1);
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set.delete(1);
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set.forEach(function (i) {
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throw new Error("unreeachable.");
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});
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var set = new Set();
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var iter = set[Symbol.iterator]();
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set.add(1);
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set.delete(1);
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for (var elm of iter) {
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throw new Error("unreeachable.");
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}
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var set = new Set([0, 1, 2, 3, 4]);
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var iter = set[Symbol.iterator]();
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testValue(set.size, 5);
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testValue(iter.next().value, 0);
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testValue(iter.next().value, 1);
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testValue(iter.next().value, 2);
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testValue(iter.next().value, 3);
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set.delete(0);
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set.delete(1);
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set.delete(2);
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set.delete(3);
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// It will cause MapData packing.
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for (var i = 5; i < 1000; ++i)
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set.add(i);
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gc();
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for (var i = 4; i < 1000; ++i)
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testValue(iter.next().value, i);
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testValue(iter.next().value, undefined);
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