/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ import { extend } from 'lodash-es'; describe( 'utils', () => { describe( 'extend()', () => { // Properties of the subsequent objects should override properties of the preceding objects. This is critical for // CKEditor so we keep this test to ensure that Lo-Dash (or whatever) implements it in the way we need it. it( 'should extend by several params in the correct order', () => { const target = { a: 0, b: 0 }; const ext1 = { b: 1, c: 1 }; const ext2 = { c: 2, d: 2 }; extend( target, ext1, ext2 ); expect( target ).to.have.property( 'a' ).to.equal( 0 ); expect( target ).to.have.property( 'b' ).to.equal( 1 ); expect( target ).to.have.property( 'c' ).to.equal( 2 ); expect( target ).to.have.property( 'd' ).to.equal( 2 ); } ); } ); } );