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isrange.js 590 B

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  1. /**
  2. * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
  4. */
  5. /* global Range */
  6. import isRange from '../../src/dom/isrange';
  7. describe( 'isRange()', () => {
  8. it( 'detects native DOM Range', () => {
  9. expect( isRange( new Range() ) ).to.be.true;
  10. expect( isRange( {} ) ).to.be.false;
  11. expect( isRange( null ) ).to.be.false;
  12. expect( isRange( undefined ) ).to.be.false;
  13. expect( isRange( new Date() ) ).to.be.false;
  14. expect( isRange( 42 ) ).to.be.false;
  15. } );
  16. } );