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11 lines
350 B
TypeScript
11 lines
350 B
TypeScript
import assert from 'node:assert';
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import upperFirst from '../src/upperFirst';
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describe('upperFirst', () => {
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it('should uppercase only the first character', () => {
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assert.strictEqual(upperFirst('fred'), 'Fred');
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assert.strictEqual(upperFirst('Fred'), 'Fred');
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assert.strictEqual(upperFirst('FRED'), 'FRED');
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});
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});
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