import { describe, expect, it } from 'vitest';
import { formatTime } from './measure-load-time.ts';
describe('measure-load-time utilities', () => {
describe('formatTime', () => {
it('formats microseconds correctly', () => {
expect(formatTime(0.001)).toBe('1.00 μs');
expect(formatTime(0.5)).toBe('500.00 μs');
expect(formatTime(0.999)).toBe('999.00 μs');
});
it('formats milliseconds correctly', () => {
expect(formatTime(1)).toBe('1.00 ms');
expect(formatTime(100)).toBe('100.00 ms');
expect(formatTime(999)).toBe('999.00 ms');
});
it('formats seconds correctly', () => {
expect(formatTime(1000)).toBe('1.00 s');
expect(formatTime(2500)).toBe('2.50 s');
expect(formatTime(10000)).toBe('10.00 s');
});
it('handles zero', () => {
expect(formatTime(0)).toBe('0.00 μs');
});
it('handles very small values', () => {
expect(formatTime(0.0001)).toBe('0.10 μs');
});
});
});
