/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ /* globals document */ import insertAt from '../../src/dom/insertat'; describe( 'insertAt', () => { it( 'should insert at given position', () => { const div = document.createElement( 'div' ); const p0 = document.createElement( 'p' ); const p1 = document.createElement( 'p' ); const p2 = document.createElement( 'p' ); div.appendChild( p0 ); div.appendChild( p2 ); insertAt( div, 1, p1 ); expect( div.childNodes.length ).to.equal( 3 ); expect( div.childNodes[ 0 ] ).to.equal( p0 ); expect( div.childNodes[ 1 ] ).to.equal( p1 ); expect( div.childNodes[ 2 ] ).to.equal( p2 ); } ); it( 'should insert at the beginning', () => { const div = document.createElement( 'div' ); const p0 = document.createElement( 'p' ); const p1 = document.createElement( 'p' ); const p2 = document.createElement( 'p' ); div.appendChild( p1 ); div.appendChild( p2 ); insertAt( div, 0, p0 ); expect( div.childNodes.length ).to.equal( 3 ); expect( div.childNodes[ 0 ] ).to.equal( p0 ); expect( div.childNodes[ 1 ] ).to.equal( p1 ); expect( div.childNodes[ 2 ] ).to.equal( p2 ); } ); it( 'should insert at the end', () => { const div = document.createElement( 'div' ); const p0 = document.createElement( 'p' ); const p1 = document.createElement( 'p' ); const p2 = document.createElement( 'p' ); div.appendChild( p0 ); div.appendChild( p1 ); insertAt( div, 2, p2 ); expect( div.childNodes.length ).to.equal( 3 ); expect( div.childNodes[ 0 ] ).to.equal( p0 ); expect( div.childNodes[ 1 ] ).to.equal( p1 ); expect( div.childNodes[ 2 ] ).to.equal( p2 ); } ); } );