/**
 * @license
 * Copyright 2021 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


import { expect } from 'chai';
import {
  PersistenceType
} from '../../core/persistence';
import { BrowserPersistenceClass } from './browser';

// Most tests for this class exist in the tests for the subclasses.

class TestPersistence extends BrowserPersistenceClass {
  constructor(storageRetriever: () => Storage) {
      super(storageRetriever, PersistenceType.NONE);
    }
}

describe('platform_browser/persistence/browser', () => {
  it('_isAvailable works if reading the storage accessor throws', async () => {
    const browserPersistence = new TestPersistence(() => {
      throw new DOMException('no');
    });
    expect(await browserPersistence._isAvailable()).to.be.false;
  });
});