binary-bitwise-or.js 1.6 KB

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  1. test("basic numeric or", () => {
  2. expect(0 | 0).toBe(0);
  3. expect(0 | 1).toBe(1);
  4. expect(0 | 2).toBe(2);
  5. expect(0 | 3).toBe(3);
  6. expect(0 | 4).toBe(4);
  7. expect(0 | 5).toBe(5);
  8. expect(1 | 0).toBe(1);
  9. expect(1 | 1).toBe(1);
  10. expect(1 | 2).toBe(3);
  11. expect(1 | 3).toBe(3);
  12. expect(1 | 4).toBe(5);
  13. expect(1 | 5).toBe(5);
  14. expect(2 | 0).toBe(2);
  15. expect(2 | 1).toBe(3);
  16. expect(2 | 2).toBe(2);
  17. expect(2 | 3).toBe(3);
  18. expect(2 | 4).toBe(6);
  19. expect(2 | 5).toBe(7);
  20. expect(3 | 0).toBe(3);
  21. expect(3 | 1).toBe(3);
  22. expect(3 | 2).toBe(3);
  23. expect(3 | 3).toBe(3);
  24. expect(3 | 4).toBe(7);
  25. expect(3 | 5).toBe(7);
  26. expect(4 | 0).toBe(4);
  27. expect(4 | 1).toBe(5);
  28. expect(4 | 2).toBe(6);
  29. expect(4 | 3).toBe(7);
  30. expect(4 | 4).toBe(4);
  31. expect(4 | 5).toBe(5);
  32. expect(5 | 0).toBe(5);
  33. expect(5 | 1).toBe(5);
  34. expect(5 | 2).toBe(7);
  35. expect(5 | 3).toBe(7);
  36. expect(5 | 4).toBe(5);
  37. expect(5 | 5).toBe(5);
  38. expect(0xffffffff | 0).toBe(-1);
  39. expect(0xffffffff | 0xffffffff).toBe(-1);
  40. expect(2147483648 | 0).toBe(-2147483648);
  41. });
  42. test("or with non-numeric values", () => {
  43. let x = 3;
  44. let y = 7;
  45. expect("42" | 6).toBe(46);
  46. expect(x | y).toBe(7);
  47. expect(x | [[[[12]]]]).toBe(15);
  48. expect(undefined | y).toBe(7);
  49. expect("a" | "b").toBe(0);
  50. expect(null | null).toBe(0);
  51. expect(undefined | undefined).toBe(0);
  52. expect(NaN | NaN).toBe(0);
  53. expect(NaN | 6).toBe(6);
  54. expect(Infinity | Infinity).toBe(0);
  55. expect(-Infinity | Infinity).toBe(0);
  56. });