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Basilisk-Dev
37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
var key = Symbol("weak");
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var map = new WeakMap();
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assertEq(map.has(key), false);
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assertEq(map.get(key), undefined);
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assertEq(map.set(key, 13), map);
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assertEq(map.has(key), true);
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assertEq(map.get(key), 13);
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assertEq(map.delete(key), true);
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assertEq(map.has(key), false);
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var constructedKey = Symbol("constructed");
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var constructed = new WeakMap([[constructedKey, 7]]);
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assertEq(constructed.get(constructedKey), 7);
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var registered = Symbol.for("registered");
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assertEq(map.has(registered), false);
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assertEq(map.get(registered), undefined);
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assertEq(map.delete(registered), false);
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assertThrowsInstanceOf(() => map.set(registered, 1), TypeError);
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assertThrowsInstanceOf(() => new WeakMap([[registered, 1]]), TypeError);
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var setKey = Symbol("set");
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var set = new WeakSet([setKey]);
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assertEq(set.has(setKey), true);
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assertEq(set.delete(setKey), true);
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assertEq(set.has(setKey), false);
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assertEq(set.add(setKey), set);
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assertEq(set.has(setKey), true);
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assertEq(set.has(registered), false);
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assertEq(set.delete(registered), false);
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assertThrowsInstanceOf(() => set.add(registered), TypeError);
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assertThrowsInstanceOf(() => new WeakSet([registered]), TypeError);
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if (typeof reportCompare === "function")
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reportCompare(0, 0);
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