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+/**
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+ * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md.
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+ */
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+
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+/* global Range */
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+
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+import isRange from 'ckeditor5/utils/dom/isrange.js';
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+
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+describe( 'isRange()', () => {
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+ it( 'detects native DOM Range', () => {
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+ expect( isRange( new Range() ) ).to.be.true;
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+
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+ expect( isRange( {} ) ).to.be.false;
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+ expect( isRange( null ) ).to.be.false;
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+ expect( isRange( undefined ) ).to.be.false;
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+ expect( isRange( new Date() ) ).to.be.false;
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+ expect( isRange( 42 ) ).to.be.false;
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+ } );
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+} );
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