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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 Range from '/ckeditor5/engine/treeview/range.js';
- import Position from '/ckeditor5/engine/treeview/position.js';
- import Element from '/ckeditor5/engine/treeview/element.js';
- import Text from '/ckeditor5/engine/treeview/text.js';
- describe( 'Range', () => {
- describe( 'constructor', () => {
- it( 'creates range from provided positions', () => {
- const start = new Position( {}, 1 );
- const end = new Position( {}, 2 );
- const range = new Range( start, end );
- expect( range ).to.be.an.instanceof( Range );
- expect( range ).to.have.property( 'start' ).that.not.equals( start );
- expect( range ).to.have.property( 'end' ).that.not.equals( end );
- expect( range.start.parent ).to.equal( start.parent );
- expect( range.end.parent ).to.equal( end.parent );
- expect( range.start.offset ).to.equal( start.offset );
- expect( range.end.offset ).to.equal( end.offset );
- } );
- } );
- describe( 'isEqual', () => {
- it( 'should return true for the same range', () => {
- const start = new Position( {}, 1 );
- const end = new Position( {}, 2 );
- const range = new Range( start, end );
- expect( range.isEqual( range ) ).to.be.true;
- } );
- it( 'should return true for ranges with same start and end positions', () => {
- const start = new Position( {}, 1 );
- const end = new Position( {}, 2 );
- const range1 = new Range( start, end );
- const range2 = new Range( start, end );
- expect( range1.isEqual( range2 ) ).to.be.true;
- } );
- it( 'should return false if start position is different', () => {
- const start1 = new Position( {}, 1 );
- const start2 = new Position( {}, 1 );
- const end = new Position( {}, 2 );
- const range1 = new Range( start1, end );
- const range2 = new Range( start2, end );
- expect( range1.isEqual( range2 ) ).to.be.false;
- } );
- it( 'should return false if end position is different', () => {
- const start = new Position( {}, 1 );
- const end1 = new Position( {}, 2 );
- const end2 = new Position( {}, 2 );
- const range1 = new Range( start, end1 );
- const range2 = new Range( start, end2 );
- expect( range1.isEqual( range2 ) ).to.be.false;
- } );
- it( 'should return false for ranges with same root and different offsets', () => {
- const mockObject = {};
- const range1 = new Range( new Position( mockObject, 0 ), new Position( mockObject, 10 ) );
- const range2 = new Range( new Position( mockObject, 2 ), new Position( mockObject, 10 ) );
- expect( range1.isEqual( range2 ) ).to.be.false;
- } );
- } );
- describe( 'isIntersecting', () => {
- let root, p1, p2, t1, t2, t3;
- // root
- // __________|__________
- // | |
- // ___p1___ p2
- // | | |
- // t1 t2 t3
- beforeEach( () => {
- t1 = new Text( 'foo' );
- t2 = new Text( 'bar' );
- t3 = new Text( 'baz' );
- p1 = new Element( 'p', null, [ t1, t2 ] );
- p2 = new Element( 'p', null, t3 );
- root = new Element( 'div', null, [ p1, p2 ] );
- } );
- it( 'should return true if given range is equal', () => {
- const range = Range.createFromParentsAndOffsets( t1, 0, t3, 2 );
- const otherRange = Range.createFromRange( range );
- expect( range.isIntersecting( otherRange ) ).to.be.true;
- expect( otherRange.isIntersecting( range ) ).to.be.true;
- } );
- it( 'should return true if given range contains this range', () => {
- const range = Range.createFromParentsAndOffsets( t1, 0, t3, 3 );
- const otherRange = Range.createFromParentsAndOffsets( p1, 1, t2, 2 );
- expect( range.isIntersecting( otherRange ) ).to.be.true;
- expect( otherRange.isIntersecting( range ) ).to.be.true;
- } );
- it( 'should return true if given range ends in this range', () => {
- const range = Range.createFromParentsAndOffsets( root, 1, t3, 3 );
- const otherRange = Range.createFromParentsAndOffsets( t1, 0, p2, 0 );
- expect( range.isIntersecting( otherRange ) ).to.be.true;
- expect( otherRange.isIntersecting( range ) ).to.be.true;
- } );
- it( 'should return true if given range starts in this range', () => {
- const range = Range.createFromParentsAndOffsets( t1, 0, t2, 3 );
- const otherRange = Range.createFromParentsAndOffsets( p1, 1, p2, 0 );
- expect( range.isIntersecting( otherRange ) ).to.be.true;
- expect( otherRange.isIntersecting( range ) ).to.be.true;
- } );
- it( 'should return false if given range is fully before/after this range', () => {
- const range = Range.createFromParentsAndOffsets( t1, 0, t2, 3 );
- const otherRange = Range.createFromParentsAndOffsets( root, 1, t3, 0 );
- expect( range.isIntersecting( otherRange ) ).to.be.false;
- expect( otherRange.isIntersecting( range ) ).to.be.false;
- } );
- it( 'should return false if ranges are in different roots', () => {
- const range = Range.createFromParentsAndOffsets( t1, 0, t2, 3 );
- const otherRange = Range.createFromParentsAndOffsets( new Element( 'div' ), 1, t3, 0 );
- expect( range.isIntersecting( otherRange ) ).to.be.false;
- expect( otherRange.isIntersecting( range ) ).to.be.false;
- } );
- } );
- describe( 'createFromRange', () => {
- it( 'should create a new instance of Range that is equal to passed range', () => {
- const range = new Range( new Position( {}, 0 ), new Position( {}, 1 ) );
- const clone = Range.createFromRange( range );
- expect( clone ).not.to.be.equal( range ); // clone is not pointing to the same object as position
- expect( clone.isEqual( range ) ).to.be.true; // but they are equal in the position-sense
- } );
- } );
- } );
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