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authorJames Maa <jmaa@berkeley.edu>2024-06-16 18:39:44 -0700
committerGitHub <noreply@github.com>2024-06-17 01:39:44 +0000
commit1d2a91523604cce7dd608408da65bea5645fc7d4 (patch)
tree7c2b915dc29fffc707a5376002682256bce2c6de /test/text-source-range.test.js
parent0283b298af2d04c7bc013fad7db5966d651f0142 (diff)
Fix DOMTextScanner entering initial div on backwards seeks (#1071)
* Fix dom-text-scanner entering initial div on reverse seeks * Add new case * Add launch.json * Cleanup launch.json
Diffstat (limited to 'test/text-source-range.test.js')
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1 files changed, 80 insertions, 0 deletions
diff --git a/test/text-source-range.test.js b/test/text-source-range.test.js
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+/*
+ * Copyright (C) 2024 Yomitan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {fail} from 'node:assert';
+import {fileURLToPath} from 'node:url';
+import path from 'path';
+import {afterAll, describe, expect, test} from 'vitest';
+import {TextSourceRange} from '../ext/js/dom/text-source-range.js';
+import {setupDomTest} from './fixtures/dom-test.js';
+
+
+const dirname = path.dirname(fileURLToPath(import.meta.url));
+const textSourceRangeTestEnv = await setupDomTest(path.join(dirname, 'data/html/text-source-range.html'));
+
+
+describe('TextSourceRange', () => {
+ const {window, teardown} = textSourceRangeTestEnv;
+ afterAll(() => teardown(global));
+
+ test('lazy', () => {
+ const {document} = window;
+ const testElement /** @type {NodeListOf<HTMLElement>} */ = document.getElementById('text-source-range-lazy');
+ if (testElement === null) {
+ fail('test element not found');
+ }
+
+ const range = new Range();
+ range.selectNodeContents(testElement);
+
+ const source = TextSourceRange.createLazy(range);
+ const startLength = source.setStartOffset(200, false);
+ const endLength = source.setEndOffset(200, true, false);
+
+ const text = source.text();
+ const textLength = text.length;
+
+ expect(startLength).toBeLessThanOrEqual(textLength);
+ expect(endLength).toBeLessThan(textLength);
+ const count = (text.match(/人/g) || []).length;
+ expect(count).toEqual(1);
+ });
+
+ test('standard', () => {
+ const {document} = window;
+ const testElement /** @type {NodeListOf<HTMLElement>} */ = document.getElementById('text-source-range');
+ if (testElement === null) {
+ fail('test element not found');
+ }
+
+ const range = new Range();
+
+ range.selectNodeContents(testElement);
+
+ const source = TextSourceRange.create(range);
+ const startLength = source.setStartOffset(15, false);
+ const endLength = source.setEndOffset(15, true, false);
+
+ const text = source.text();
+ const textLength = text.length;
+
+ expect(startLength).toBeLessThan(textLength);
+ expect(endLength).toBeLessThan(textLength);
+ const count = (text.match(/山/g) || []).length;
+ expect(count).toEqual(1);
+ });
+});