@Test
public void testParseOptionalHexOk() throws Exception {
long i = 0x14;
String s = "0x" + Long.toHexString(i);
OptionalLong ret = ParseLong.parseOptional(s);
assertTrue(ret.isPresent());
assertEquals(i, ret.getAsLong());
}
@Test
public void testParseOptionalNullFail() throws Exception {
OptionalLong ret = ParseLong.parseOptional(null);
assertFalse(ret.isPresent());
}
@Test
public void testParseOptionalHexFail() throws Exception {
String s = "0x12akjhsdr?";
OptionalLong ret = ParseLong.parseOptional(s);
assertFalse(ret.isPresent());
}