import { run } from '..';
import {
  getDispatchOverride,
  getOnerror,
  setDispatchOverride,
  setOnerror,
} from '@ember/-internals/error-handling';
import { isTesting, setTesting } from '@ember/debug';
import { moduleFor, AbstractTestCase } from 'internal-test-helpers';

moduleFor(
  'system/run_loop/onerror_test',
  class extends AbstractTestCase {
    ['@test With Ember.onerror undefined, errors in run are thrown'](assert) {
      let thrown = new Error('Boom!');
      let original = getOnerror();

      let caught;
      setOnerror(undefined);
      try {
        run(() => {
          throw thrown;
        });
      } catch (error) {
        caught = error;
      } finally {
        setOnerror(original);
      }

      assert.deepEqual(caught, thrown);
    }

    ['@test With Ember.onerror set, errors in run are caught'](assert) {
      let thrown = new Error('Boom!');
      let original = getOnerror();
      let originalDispatchOverride = getDispatchOverride();
      let originalIsTesting = isTesting();

      let caught;
      setOnerror(error => {
        caught = error;
      });
      setDispatchOverride(null);
      setTesting(false);

      try {
        run(() => {
          throw thrown;
        });
      } finally {
        setOnerror(original);
        setDispatchOverride(originalDispatchOverride);
        setTesting(originalIsTesting);
      }

      assert.deepEqual(caught, thrown);
    }
  }
);