ffe54a0e3d91f637a7d7f7c1aad5cad09695e66ba92101497875bd1ac6d02033889ec3c036447c34fb7af5c875aa1916e2b2bf5373d4b173587acb540d77f3 1.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
  1. 'use strict';
  2. require('../auto');
  3. var test = require('tape');
  4. var defineProperties = require('define-properties');
  5. var callBind = require('call-bind');
  6. var isEnumerable = Object.prototype.propertyIsEnumerable;
  7. var functionsHaveNames = require('functions-have-names')();
  8. var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames();
  9. var hasStrictMode = require('has-strict-mode')();
  10. var runTests = require('./tests');
  11. test('shimmed', function (t) {
  12. var descriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags');
  13. t.equal(descriptor.get.length, 0, 'RegExp#flags getter has a length of 0');
  14. t.test('Function name', { skip: !functionsHaveNames }, function (st) {
  15. st.equal(descriptor.get.name, functionsHaveConfigurableNames ? 'get flags' : 'flags', 'RegExp#flags getter has name "get flags" (or "flags" if function names are not configurable)');
  16. st.end();
  17. });
  18. t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
  19. et.equal(false, isEnumerable.call(RegExp.prototype, 'flags'), 'RegExp#flags is not enumerable');
  20. et.end();
  21. });
  22. t.test('bad array/this value', { skip: !hasStrictMode }, function (st) {
  23. st['throws'](function () { return descriptor.get.call(undefined); }, TypeError, 'undefined is not an object');
  24. st['throws'](function () { return descriptor.get.call(null); }, TypeError, 'null is not an object');
  25. st.end();
  26. });
  27. t.test('has the correct descriptor', function (st) {
  28. st.equal(descriptor.configurable, true);
  29. st.equal(descriptor.enumerable, false);
  30. st.equal(typeof descriptor.get, 'function');
  31. st.equal(descriptor.set, undefined);
  32. st.end();
  33. });
  34. runTests(callBind(descriptor.get), t);
  35. t.end();
  36. });