44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
const expect = require('expect');
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const {without} = require('./_30s.js');
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test('without is a Function', () => {
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expect(without).toBeInstanceOf(Function);
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});
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test('without([2, 1, 2, 3], 1, 2) returns [3]', () => {
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expect(without([2, 1, 2, 3], 1, 2)).toEqual([3]);
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});
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test('without([]) returns []', () => {
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expect(without([])).toEqual([]);
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});
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test("without([3, 1, true, '3', true], '3', true) returns [3, 1]", () => {
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expect(without([3, 1, true, '3', true], '3', true)).toEqual([3, 1]);
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});
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test("without('string'.split(''), 's', 't', 'g') returns ['r', 'i', 'n']", () => {
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expect(without('string'.split(''), 's', 't', 'g')).toEqual(['r', 'i', 'n']);
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});
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test('without() throws an error', () => {
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expect(() => {
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without();
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}).toThrow();
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});
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test('without(null) throws an error', () => {
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expect(() => {
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without(null);
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}).toThrow();
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});
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test('without(undefined) throws an error', () => {
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expect(() => {
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without(undefined);
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}).toThrow();
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});
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test('without(123) throws an error', () => {
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expect(() => {
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without(123);
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}).toThrow();
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});
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test('without({}) throws an error', () => {
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expect(() => {
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without({});
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}).toThrow();
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});
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