43 lines
1.5 KiB
TypeScript
43 lines
1.5 KiB
TypeScript
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { getRangeDirection } from '../src/utils/helper/get-range-direction';
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describe('getRangeDirection', () => {
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it('should return "none" when the range start and end are the same', () => {
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const range = document.createRange();
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const div = document.createElement('div');
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document.body.appendChild(div); // Make sure the node is in the DOM
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range.setStart(div, 0);
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range.setEnd(div, 0);
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const direction = getRangeDirection(range);
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expect(direction).toBe('none');
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});
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it('should return "forward" when the range is selected forwards', () => {
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const div = document.createElement('div');
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document.body.appendChild(div); // Make sure the node is in the DOM
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div.textContent = 'Test content';
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const range = document.createRange();
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range.setStart(div.firstChild as Node, 0);
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range.setEnd(div.firstChild as Node, 4); // Select "Test"
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const direction = getRangeDirection(range);
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expect(direction).toBe('forward');
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});
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});
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