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LibJS: Add tests for Set.prototype.keys which is an alias for values
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@ -12,3 +12,20 @@ test("basic functionality", () => {
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expect(it.next()).toEqual({ value: undefined, done: true });
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expect(it.next()).toEqual({ value: undefined, done: true });
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});
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describe("keys is an alias for values", () => {
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test("length", () => {
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expect(Set.prototype.keys.length).toBe(0);
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});
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test("basic functionality", () => {
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const a = new Set([1, 2, 3]);
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const it = a.keys();
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expect(it.next()).toEqual({ value: 1, done: false });
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expect(it.next()).toEqual({ value: 2, done: false });
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expect(it.next()).toEqual({ value: 3, done: false });
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expect(it.next()).toEqual({ value: undefined, done: true });
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expect(it.next()).toEqual({ value: undefined, done: true });
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expect(it.next()).toEqual({ value: undefined, done: true });
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});
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});
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