package winpwn

import (
	"bytes"
	"testing"
)

func TestPackLittleEndian(t *testing.T) {
	if !bytes.Equal(P16(0x1234), []byte{0x34, 0x12}) {
		t.Error("P16(0x1234) is not little-endian")
	}
	if !bytes.Equal(P32(0xDEADBEEF), []byte{0xEF, 0xBE, 0xAD, 0xDE}) {
		t.Error("P32(0xDEADBEEF) is not little-endian")
	}
}

func TestPackUnpackRoundTrip(t *testing.T) {
	if U16(P16(0xBEEF)) != 0xBEEF {
		t.Error("U16(P16) round trip failed")
	}
	if U32(P32(0xDEADBEEF)) != 0xDEADBEEF {
		t.Error("U32(P32) round trip failed")
	}
	if U64(P64(0x0102030405060708)) != 0x0102030405060708 {
		t.Error("U64(P64) round trip failed")
	}
}