/**
 * Copyright 2016 Google Inc. All rights reserved.
 *
 * 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.
 */
const Audit = require('../../../src/audits/audit.js');
const assert = require('assert');

'use strict';

/* eslint-env mocha */

// Extend the Audit class but fail to implement meta. It should throw errors.
class A extends Audit {}
class B extends Audit {
  static get meta() {
    return {};
  }
}

describe('Audit', () => {
  it('throws if an audit does not override the meta', () => {
    assert.throws(_ => A.meta);
  });

  it('does not throw if an audit overrides the meta', () => {
    assert.doesNotThrow(_ => B.meta);
  });

  it('throws if an audit does generate a result with a value', () => {
    assert.throws(_ => A.generateAuditResult({}));
  });
});

@@ -610,16 +610,31 @@
 se.%0A */%0A
+'use strict';%0A%0A
 const Au
@@ -715,31 +715,16 @@
 ert');%0A%0A
-'use strict';%0A%0A
 /* eslin

fix strict mode in test/audits/audit.js