/** * @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 indexOf from '../../src/dom/indexof'; describe( 'indexOf', () => { it( 'should return 0 if element has no parent', () => { const p = document.createElement( 'p' ); expect( indexOf( p ) ).to.equal( 0 ); } ); it( 'should return index of the node in parent', () => { 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 ); div.appendChild( p2 ); expect( indexOf( p0 ) ).to.equal( 0 ); expect( indexOf( p1 ) ).to.equal( 1 ); expect( indexOf( p2 ) ).to.equal( 2 ); } ); } );