24 lines
607 B
TypeScript
24 lines
607 B
TypeScript
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import { describe, expect, it } from 'vitest';
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import { formatBytes } from './format';
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describe('formatBytes', () => {
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it('formats zero', () => {
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expect(formatBytes(0)).toBe('0 B');
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});
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it('formats bytes without decimals', () => {
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expect(formatBytes(512)).toBe('512 B');
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});
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it('formats kilobytes and megabytes', () => {
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expect(formatBytes(1024)).toBe('1.0 KB');
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expect(formatBytes(1536)).toBe('1.5 KB');
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expect(formatBytes(5 * 1024 * 1024)).toBe('5.0 MB');
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});
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it('handles invalid input', () => {
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expect(formatBytes(-1)).toBe('—');
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expect(formatBytes(NaN)).toBe('—');
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});
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});
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