19 lines
579 B
JavaScript
19 lines
579 B
JavaScript
const expect = require('expect');
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const {capitalize} = require('./_30s.js');
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test('capitalize is a Function', () => {
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expect(capitalize).toBeInstanceOf(Function);
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});
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test('Capitalizes the first letter of a string', () => {
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expect(capitalize('fooBar')).toBe('FooBar');
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});
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test('Capitalizes the first letter of a string', () => {
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expect(capitalize('fooBar', true)).toBe('Foobar');
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});
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test('Works with characters', () => {
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expect(capitalize('#!#', true)).toBe('#!#');
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});
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test('"Works with single character words', () => {
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expect(capitalize('a', true)).toBe('A');
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});
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