Array.prototype.indexOf.js 851 B

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  1. load("test-common.js");
  2. try {
  3. assert(Array.prototype.indexOf.length === 1);
  4. var array = ['hello', 'friends', 1, 2, false];
  5. assert(array.indexOf('hello') === 0);
  6. assert(array.indexOf('friends') === 1);
  7. assert(array.indexOf(false) === 4);
  8. assert(array.indexOf(false, 2) === 4);
  9. assert(array.indexOf(false, -2) === 4);
  10. assert(array.indexOf(1) === 2);
  11. assert(array.indexOf(1, 1000) === -1);
  12. assert(array.indexOf(1, -1000) === 2);
  13. assert(array.indexOf('serenity') === -1);
  14. assert(array.indexOf(false, -1) === 4);
  15. assert(array.indexOf(2, -1) === -1);
  16. assert(array.indexOf(2, -2) === 3);
  17. assert([].indexOf('serenity') === -1);
  18. assert([].indexOf('serenity', 10) === -1);
  19. assert([].indexOf('serenity', -10) === -1);
  20. console.log("PASS");
  21. } catch (e) {
  22. console.log("FAIL: " + e);
  23. }