14 lines
380 B
JavaScript
14 lines
380 B
JavaScript
const expect = require('expect');
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const composeRight = require('./composeRight.js');
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test('composeRight is a Function', () => {
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expect(composeRight).toBeInstanceOf(Function);
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});
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const add = (x, y) => x + y;
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const square = x => x * x;
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const addAndSquare = composeRight(add, square);
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t.equal(addAndSquare(1, 2), 9, "Performs left-to-right function composition");
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