package main

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestRandomStringLength(t *testing.T) {
	for _, length := range []int{1, 4, 8, 16, 32} {
		result := RandomString(length)
		assert.Len(t, result, length, "RandomString(%d) should return string of length %d", length, length)
	}
}

func TestRandomStringUniqueness(t *testing.T) {
	seen := make(map[string]bool)
	for range 100 {
		result := RandomString(pasteIDLength)
		require.False(t, seen[result], "RandomString produced duplicate: %s", result)
		seen[result] = true
	}
}