/** * @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 Range */ import isRange from '../../src/dom/isrange'; describe( 'isRange()', () => { it( 'detects native DOM Range', () => { expect( isRange( new Range() ) ).to.be.true; expect( isRange( {} ) ).to.be.false; expect( isRange( null ) ).to.be.false; expect( isRange( undefined ) ).to.be.false; expect( isRange( new Date() ) ).to.be.false; expect( isRange( 42 ) ).to.be.false; } ); } );