@Test public void testToString() { assertThat(UINT64.ZERO.toString(), is("0x0000000000000000")); assertThat(V1.toString(), is("0x0000000000000001")); assertThat(V2.toString(), is("0x0000000000000002")); assertThat(V3.toString(), is("0x0000000000000003")); assertThat(UINT64.MAX_VALUE.toString(), is("0xffffffffffffffff")); }