package util

import (
	"testing"

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

func TestArrayEvenReverse(t *testing.T) {
	arr := []byte{0x01, 0x02, 0x03, 0x04}
	have := ArrayReverse(arr)
	want := []byte{0x04, 0x03, 0x02, 0x01}
	require.Equal(t, want, have)
}

func TestArrayOddReverse(t *testing.T) {
	arr := []byte{0x01, 0x02, 0x03, 0x04, 0x05}
	have := ArrayReverse(arr)
	want := []byte{0x05, 0x04, 0x03, 0x02, 0x01}
	require.Equal(t, want, have)
}

// This tests a bug that occurred with arrays of size 1
func TestArrayReverseLen2(t *testing.T) {
	arr := []byte{0x01}
	have := ArrayReverse(arr)
	want := []byte{0x01}
	require.Equal(t, want, have)
}