text: /**
   * Copyright 2018 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 utils = require('./utils');
  
  module.exports.addTests = function({testRunner, expect, product}) {
    const {describe, xdescribe, fdescribe} = testRunner;
    const {it, fit, xit} = testRunner;
    const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
  
    const FFOX = product === 'firefox';
    const CHROME = product === 'chromium';
  
    describe('Page.evaluateHandle', function() {
      it('should work', async({page, server}) => {
        const windowHandle = await page.evaluateHandle(() => window);
        expect(windowHandle).toBeTruthy();
      });
      it('should accept object handle as an argument', async({page, server}) => {
        const navigatorHandle = await page.evaluateHandle(() => navigator);
        const text = await page.evaluate(e => e.userAgent, navigatorHandle);
        expect(text).toContain('Mozilla');
      });
      it('should accept object handle to primitive types', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => 5);
        const isFive = await page.evaluate(e => Object.is(e, 5), aHandle);
        expect(isFive).toBeTruthy();
      });
      it('should accept object handle to unserializable value', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => Infinity);
        expect(await page.evaluate(e => Object.is(e, Infinity), aHandle)).toBe(true);
      });
      it('should use the same JS wrappers', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => {
          window.FOO = 123;
          return window;
        });
        expect(await page.evaluate(e => e.FOO, aHandle)).toBe(123);
      });
      it('should work with primitives', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => {
          window.FOO = 123;
          return window;
        });
        expect(await page.evaluate(e => e.FOO, aHandle)).toBe(123);
      });
    });
  
    describe('JSHandle.jsonValue', function() {
      it('should work', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => ({foo: 'bar'}));
        const json = await aHandle.jsonValue();
        expect(json).toEqual({foo: 'bar'});
      });
      // This relies on Chrome's internal serialization. We can either repeat it
      // in FFOX, or migrate to JSON.stringify() logic altogether.
      (FFOX ? xit : it)('should not work with dates', async({page, server}) => {
        const dateHandle = await page.evaluateHandle(() => new Date('2017-09-26T00:00:00.000Z'));
        const json = await dateHandle.jsonValue();
        expect(json).toEqual({});
      });
      it('should throw for circular objects', async({page, server}) => {
        const windowHandle = await page.evaluateHandle('window');
        let error = null;
        await windowHandle.jsonValue().catch(e => error = e);
        expect(error).not.toBe(null);
      });
    });
  
    describe('JSHandle.toString', function() {
      it('should work for primitives', async({page, server}) => {
        const numberHandle = await page.evaluateHandle(() => 2);
        expect(numberHandle.toString()).toBe('JSHandle:2');
        const stringHandle = await page.evaluateHandle(() => 'a');
        expect(stringHandle.toString()).toBe('JSHandle:a');
      });
      it('should work for complicated objects', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => window);
        expect(aHandle.toString()).toBe('JSHandle@object');
      });
      it('should work with different subtypes', async({page, server}) => {
        expect((await page.evaluateHandle('(function(){})')).toString()).toBe('JSHandle@function');
        expect((await page.evaluateHandle('12')).toString()).toBe('JSHandle:12');
        expect((await page.evaluateHandle('true')).toString()).toBe('JSHandle:true');
        expect((await page.evaluateHandle('undefined')).toString()).toBe('JSHandle:undefined');
        expect((await page.evaluateHandle('"foo"')).toString()).toBe('JSHandle:foo');
        expect((await page.evaluateHandle('Symbol()')).toString()).toBe('JSHandle@symbol');
        expect((await page.evaluateHandle('new Map()')).toString()).toBe('JSHandle@map');
        expect((await page.evaluateHandle('new Set()')).toString()).toBe('JSHandle@set');
        expect((await page.evaluateHandle('[]')).toString()).toBe('JSHandle@array');
        expect((await page.evaluateHandle('null')).toString()).toBe('JSHandle:null');
        expect((await page.evaluateHandle('/foo/')).toString()).toBe('JSHandle@regexp');
        expect((await page.evaluateHandle('document.body')).toString()).toBe('JSHandle@node');
        expect((await page.evaluateHandle('new Date()')).toString()).toBe('JSHandle@date');
        expect((await page.evaluateHandle('new WeakMap()')).toString()).toBe('JSHandle@weakmap');
        expect((await page.evaluateHandle('new WeakSet()')).toString()).toBe('JSHandle@weakset');
        expect((await page.evaluateHandle('new Error()')).toString()).toBe('JSHandle@error');
        expect((await page.evaluateHandle('new Int32Array()')).toString()).toBe('JSHandle@typedarray');
        expect((await page.evaluateHandle('new Proxy({}, {})')).toString()).toBe('JSHandle@proxy');
      });
    });
  
    describe('JSHandle.getProperties', function() {
      it('should work', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => ({
          foo: 'bar'
        }));
        const properties = await aHandle.getProperties();
        const foo = properties.get('foo');
        expect(foo).toBeTruthy();
        expect(await foo.jsonValue()).toBe('bar');
      });
      it('should return even non-own properties', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => {
          class A {
            constructor() {
              this.a = '1';
            }
          }
          class B extends A {
            constructor() {
              super();
              this.b = '2';
            }
          }
          return new B();
        });
        const properties = await aHandle.getProperties();
        expect(await properties.get('a').jsonValue()).toBe('1');
        expect(await properties.get('b').jsonValue()).toBe('2');
      });
    });
  
    describe('JSHandle.getProperty', function() {
      it('should work', async({page, server}) => {
        const aHandle = await page.evaluateHandle(() => ({
          one: 1,
          two: 2,
          three: 3
        }));
        const twoHandle = await aHandle.getProperty('two');
        expect(await twoHandle.jsonValue()).toEqual(2);
      });
    });
  };
  