19 lines
442 B
JavaScript
19 lines
442 B
JavaScript
const test = require('tape');
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const when = require('./when.js');
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test('Testing when', (t) => {
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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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t.true(typeof when === 'function', 'when is a Function');
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const doubleEvenNumbers = when(
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(x) => x % 2 === 0,
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(x) => x * 2
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);
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t.true(doubleEvenNumbers(2) === 4);
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t.true(doubleEvenNumbers(1) === 1);
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t.end();
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});
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