9 lines
265 B
JavaScript
9 lines
265 B
JavaScript
const {mostFrequent} = require('./_30s.js');
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test('mostFrequent is a Function', () => {
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expect(mostFrequent).toBeInstanceOf(Function);
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});
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test('returns the most frequent value', () => {
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expect(mostFrequent(['a', 'b', 'a', 'c', 'a', 'a', 'b'])).toBe('a');
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});
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