mirror of
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53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
/* eslint-disable no-unused-vars */
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require('app-module-path').addPath(__dirname);
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const { time } = require('lib/time-utils.js');
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const { asyncTest, fileContentEqual, setupDatabase, setupDatabaseAndSynchronizer, db, synchronizer, fileApi, sleep, clearDatabase, switchClient, syncTargetId, objectsEqual, checkThrowAsync } = require('test-utils.js');
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const ArrayUtils = require('lib/ArrayUtils.js');
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process.on('unhandledRejection', (reason, p) => {
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console.log('Unhandled Rejection at: Promise', p, 'reason:', reason);
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});
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describe('ArrayUtils', function() {
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beforeEach(async (done) => {
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done();
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});
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it('should remove array elements', asyncTest(async () => {
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let a = ['un', 'deux', 'trois'];
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a = ArrayUtils.removeElement(a, 'deux');
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expect(a[0]).toBe('un');
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expect(a[1]).toBe('trois');
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expect(a.length).toBe(2);
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a = ['un', 'deux', 'trois'];
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a = ArrayUtils.removeElement(a, 'not in there');
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expect(a.length).toBe(3);
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}));
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it('should find items using binary search', asyncTest(async () => {
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let items = ['aaa', 'ccc', 'bbb'];
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expect(ArrayUtils.binarySearch(items, 'bbb')).toBe(-1); // Array not sorted!
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items.sort();
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expect(ArrayUtils.binarySearch(items, 'bbb')).toBe(1);
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expect(ArrayUtils.binarySearch(items, 'ccc')).toBe(2);
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expect(ArrayUtils.binarySearch(items, 'oops')).toBe(-1);
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expect(ArrayUtils.binarySearch(items, 'aaa')).toBe(0);
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items = [];
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expect(ArrayUtils.binarySearch(items, 'aaa')).toBe(-1);
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}));
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it('should compare arrays', asyncTest(async () => {
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expect(ArrayUtils.contentEquals([], [])).toBe(true);
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expect(ArrayUtils.contentEquals(['a'], ['a'])).toBe(true);
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expect(ArrayUtils.contentEquals(['b', 'a'], ['a', 'b'])).toBe(true);
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expect(ArrayUtils.contentEquals(['b'], ['a', 'b'])).toBe(false);
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}));
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});
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