Math.tan.js 465 B

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  1. test("basic functionality", () => {
  2. expect(Math.tan).toHaveLength(1);
  3. expect(Math.tan(0)).toBe(0);
  4. expect(Math.tan(null)).toBe(0);
  5. expect(Math.tan("")).toBe(0);
  6. expect(Math.tan([])).toBe(0);
  7. expect(Math.ceil(Math.tan(Math.PI / 4))).toBe(1);
  8. expect(Math.tan()).toBeNaN();
  9. expect(Math.tan(undefined)).toBeNaN();
  10. expect(Math.tan([1, 2, 3])).toBeNaN();
  11. expect(Math.tan({})).toBeNaN();
  12. expect(Math.tan("foo")).toBeNaN();
  13. });