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17 lines
550 B
JavaScript
17 lines
550 B
JavaScript
test("basic functionality", () => {
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expect(Math.tan).toHaveLength(1);
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expect(Math.tan(0)).toBe(0);
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expect(Math.tan(null)).toBe(0);
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expect(Math.tan("")).toBe(0);
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expect(Math.tan([])).toBe(0);
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expect(Math.ceil(Math.tan(Math.PI / 4))).toBe(1);
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expect(Math.tan()).toBeNaN();
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expect(Math.tan(undefined)).toBeNaN();
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expect(Math.tan([1, 2, 3])).toBeNaN();
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expect(Math.tan({})).toBeNaN();
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expect(Math.tan("foo")).toBeNaN();
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expect(Math.tan(Infinity)).toBeNaN();
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expect(Math.tan(-Infinity)).toBeNaN();
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});
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