/** * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /* global document, window */ import isDomNode from '../../src/dom/isdomnode'; describe( 'isDomNode()', () => { it( 'detects native DOM nodes', () => { expect( isDomNode( document ) ).to.be.true; expect( isDomNode( document.createElement( 'div' ) ) ).to.be.true; expect( isDomNode( document.createTextNode( 'Foo' ) ) ).to.be.true; expect( isDomNode( {} ) ).to.be.false; expect( isDomNode( null ) ).to.be.false; expect( isDomNode( undefined ) ).to.be.false; expect( isDomNode( new Date() ) ).to.be.false; expect( isDomNode( 42 ) ).to.be.false; expect( isDomNode( window ) ).to.be.false; } ); it( 'works for nodes in an iframe', done => { const iframe = document.createElement( 'iframe' ); iframe.addEventListener( 'load', () => { const iframeDocument = iframe.contentWindow.document; expect( isDomNode( iframeDocument ) ).to.be.true; expect( isDomNode( iframeDocument.createElement( 'div' ) ) ).to.be.true; expect( isDomNode( iframeDocument.createTextNode( 'Foo' ) ) ).to.be.true; expect( isDomNode( iframe.contentWindow ) ).to.be.false; iframe.remove(); done(); } ); document.body.appendChild( iframe ); } ); } );