16 lines
579 B
JavaScript
16 lines
579 B
JavaScript
const expect = require('expect');
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const reduceWhich = require('./reduceWhich.js');
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test('reduceWhich is a Function', () => {
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expect(reduceWhich).toBeInstanceOf(Function);
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});
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t.equal(reduceWhich([1, 3, 2]), 1, 'Returns the minimum of an array');
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t.equal(reduceWhich([1, 3, 2], (a, b) => b - a), 3, 'Returns the maximum of an array');
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t.deepEqual(reduceWhich(
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[{ name: 'Tom', age: 12 }, { name: 'Jack', age: 18 }, { name: 'Lucy', age: 9 }],
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(a, b) => a.age - b.age
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), {name: "Lucy", age: 9}, 'Returns the object with the minimum specified value in an array');
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