16 lines
472 B
JavaScript
16 lines
472 B
JavaScript
const expect = require('expect');
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const intersectionWith = require('./intersectionWith.js');
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test('intersectionWith is a Function', () => {
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expect(intersectionWith).toBeInstanceOf(Function);
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});
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test('Returns a list of elements that exist in both arrays, using a provided comparator function', () => {
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expect(
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intersectionWith(
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[1, 1.2, 1.5, 3, 0],
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[1.9, 3, 0, 3.9],
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(a, b) => Math.round(a) === Math.round(b)
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)
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).toEqual([1.5, 3, 0]);
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});
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