s := "hello" + strings.Repeat("\x00", 256)
	h := newHashSet()
	for i := 0; i <= len(s); i++ {
		h.addS(s[:i])
	}
	h.check(t)
}

// All 0-3 byte strings have distinct hashes.
func TestSmhasherSmallKeys(t *testing.T) {
	testenv.ParallelOn64Bit(t)
	h := newHashSet()
	var b [3]byte
	for i := 0; i < 256; i++ {
		b[0] = byte(i)
		h.addB(b[:1])
		for j := 0; j < 256; j++ {
			b[1] = byte(j)

	s := "hello" + strings.Repeat("\x00", 256)
	h := newHashSet()
	for i := 0; i <= len(s); i++ {
		h.addS(s[:i])
	}
	h.check(t)
}

// All 0-3 byte strings have distinct hashes.
func TestSmhasherSmallKeys(t *testing.T) {
	if race.Enabled {
		t.Skip("Too long for race mode")
	}
	testenv.ParallelOn64Bit(t)
	h := newHashSet()
	var b [3]byte
	for i := 0; i < 256; i++ {
		b[0] = byte(i)