/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ /* global window */ import isWindow from '../../src/dom/iswindow'; describe( 'isWindow()', () => { it( 'detects DOM Window in browsers', () => { expect( isWindow( window ) ).to.be.true; expect( isWindow( {} ) ).to.be.false; expect( isWindow( null ) ).to.be.false; expect( isWindow( undefined ) ).to.be.false; expect( isWindow( new Date() ) ).to.be.false; expect( isWindow( 42 ) ).to.be.false; } ); it( 'detects DOM Window in the Electron environment', () => { const global = { get [ Symbol.toStringTag ]() { return 'global'; } }; expect( isWindow( global ) ).to.be.true; } ); } );