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- /**
- * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* bender-tags: treeview */
- 'use strict';
- import Position from '/ckeditor5/core/treeview/position.js';
- describe( 'Position', () => {
- const parentMock = {};
- describe( 'constructor', () => {
- it( 'should create element without attributes', () => {
- const elem = new Position( parentMock, 5 );
- expect( elem ).to.have.property( 'parent' ).that.equals( parentMock );
- expect( elem ).to.have.property( 'offset' ).that.equals( 5 );
- } );
- } );
- describe( 'getShiftedBy', () => {
- it( 'returns new instance with shifted offset', () => {
- const position = new Position( parentMock, 10 );
- const shifted = position.getShiftedBy( 12 );
- expect( shifted.offset ).to.equal( 22 );
- } );
- it( 'accepts negative values', () => {
- const position = new Position( parentMock, 10 );
- const shifted = position.getShiftedBy( -5 );
- expect( shifted.offset ).to.equal( 5 );
- } );
- it( 'prevents offset to be a negative value', () => {
- const position = new Position( parentMock, 10 );
- const shifted = position.getShiftedBy( -20 );
- expect( shifted.offset ).to.equal( 0 );
- } );
- } );
- describe( 'createFromPosition', () => {
- it( 'creates new Position with same parent and offset', () => {
- const offset = 50;
- const position = new Position( parentMock, offset );
- const newPosition = Position.createFromPosition( position );
- expect( position ).to.not.equal( newPosition );
- expect( position.offset ).to.equal( offset );
- expect( position.parent ).to.equal( parentMock );
- } );
- } );
- } );
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