Reflect.set.js 1.5 KB

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  1. load("test-common.js");
  2. try {
  3. assert(Reflect.set.length === 3);
  4. [null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
  5. assertThrowsError(() => {
  6. Reflect.set(value);
  7. }, {
  8. error: TypeError,
  9. message: "First argument of Reflect.set() must be an object"
  10. });
  11. });
  12. assert(Reflect.set({}) === true);
  13. assert(Reflect.set({}, "foo") === true);
  14. assert(Reflect.set({}, "foo", "bar") === true);
  15. var o = {};
  16. assert(o.foo === undefined);
  17. assert(Reflect.set(o, "foo", 1) === true);
  18. assert(o.foo === 1);
  19. assert(Reflect.set(o, "foo", 2) === true);
  20. assert(o.foo === 2);
  21. Object.defineProperty(o, "bar", { value: 2, configurable: true, writable: false });
  22. assert(Reflect.set(o, "bar") === false);
  23. assert(o.bar === 2);
  24. Object.defineProperty(o, "baz", { value: 3, configurable: false, writable: true });
  25. assert(Reflect.set(o, "baz") === true);
  26. assert(o.baz === undefined);
  27. var a = [];
  28. assert(a.length === 0);
  29. assert(Reflect.set(a, "0") === true);
  30. assert(a.length === 1);
  31. assert(a[0] === undefined);
  32. assert(Reflect.set(a, 1, "foo") === true);
  33. assert(a.length === 2);
  34. assert(a[0] === undefined);
  35. assert(a[1] === "foo");
  36. assert(Reflect.set(a, 4, "bar") === true);
  37. assert(a.length === 5);
  38. assert(a[0] === undefined);
  39. assert(a[1] === "foo");
  40. assert(a[2] === undefined);
  41. assert(a[3] === undefined);
  42. assert(a[4] === "bar");
  43. console.log("PASS");
  44. } catch (e) {
  45. console.log("FAIL: " + e);
  46. }