11 lines
269 B
JavaScript
11 lines
269 B
JavaScript
const expect = require('expect');
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const unary = require('./unary.js');
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test('unary is a Function', () => {
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expect(unary).toBeInstanceOf(Function);
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});
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t.deepEqual(['6', '8', '10'].map(unary(parseInt)), [6, 8, 10], 'Discards arguments after the first one');
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