11 lines
331 B
JavaScript
11 lines
331 B
JavaScript
const expect = require('expect');
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const filterNonUnique = require('./filterNonUnique.js');
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test('filterNonUnique is a Function', () => {
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expect(filterNonUnique).toBeInstanceOf(Function);
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});
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test('Filters out the non-unique values in an array', () => {
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expect(filterNonUnique([1, 2, 2, 3, 4, 4, 5])).toEqual([1,3, 5]);
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});
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