"testing"
	"unsafe"
)

func TestUintSize(t *testing.T) {
	var x uint
	if want := unsafe.Sizeof(x) * 8; UintSize != want {
		t.Fatalf("UintSize = %d; want %d", UintSize, want)
	}
}

func TestLeadingZeros(t *testing.T) {
	for i := 0; i < 256; i++ {
		nlz := tab[i].nlz
		for k := 0; k < 64-8; k++ {
			x := uint64(i) << uint(k)
			if x <= 1<<8-1 {
				got := LeadingZeros8(uint8(x))
				want := nlz - k + (8 - 8)