27 lines
1.2 KiB
JavaScript
27 lines
1.2 KiB
JavaScript
const expect = require('expect');
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const uniqueElements = require('./uniqueElements.js');
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test('Testing uniqueElements', () => {
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//For more information on all the methods supported by tape
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//Please go to https://github.com/substack/tape
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expect(typeof uniqueElements === 'function').toBeTruthy();
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expect(uniqueElements([1, 2, 2, 3, 4, 4, 5])).toEqual([1,2,3,4,5]);
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expect(uniqueElements([1, 23, 53])).toEqual([1, 23, 53]);
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expect(uniqueElements([true, 0, 1, false, false, undefined, null, ''])).toEqual([true, 0, 1, false, undefined, null, '']);
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expect(uniqueElements()).toEqual([]);
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expect(uniqueElements(null)).toEqual([]);
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expect(uniqueElements(undefined)).toEqual([]);
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expect(uniqueElements('strt')).toEqual(['s', 't', 'r']);
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expect(() => uniqueElements(1, 1, 2543, 534, 5)).toThrow();
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expect(() => uniqueElements({})).toThrow();
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expect(() => uniqueElements(true)).toThrow();
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expect(() => uniqueElements(false)).toThrow();
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let start = new Date().getTime();
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uniqueElements([true, 0, 1, false, false, undefined, null, '']);
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let end = new Date().getTime();
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expect((end - start) < 2000).toBeTruthy();
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});
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uniqueElements([1, 2, 2, '1', 4, 4, 4, 5, true]); // [1,2,3,4,5]
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