t.Errorf("md5(%q) = 0x%x != marshaled 0x%x", g.in, actual, actual2)
		}
	}
}

func TestLarge(t *testing.T) {
	const N = 10000
	ok := "2bb571599a4180e1d542f76904adc3df" // md5sum of "0123456789" * 1000
	block := make([]byte, 10004)
	c := New()
	for offset := 0; offset < 4; offset++ {
		for i := 0; i < N; i++ {
			block[offset+i] = '0' + byte(i%10)
		}