@Test
public void testParseHexPrefixEquals() throws Exception {
long i = 123456;
String s = Long.toHexString(i);
String s1 = "0x" + s;
String s2 = "0X" + s;
// Transitive property means we only have to test twice
assertEquals(ParseLong.parseHex(s), ParseLong.parseHex(s1));
assertEquals(ParseLong.parseHex(s1), ParseLong.parseHex(s2));
}
// Test prefix with no value reject
@Test(expected = NumberFormatException.class)
public void testParseHex_PrefixNoValue() throws Exception {
String s = "0x";
ParseLong.parseHex(s);
}
// Test positive sign prefix reject (no prefix)
@Test(expected = NumberFormatException.class)
public void testParseHex_Positive3() throws Exception {
String s = "+12AB";
ParseLong.parseHex(s);
}
// Test null
@Test(expected = NumberFormatException.class)
public void testParseHex_Null() throws Exception {
ParseLong.parseHex(null);
}
// Test bad
@Test(expected = NumberFormatException.class)
public void testParseHex_Bad() throws Exception {
ParseLong.parseHex("12AB-**&1'");
}
// Test negative sign prefix reject (after prefix)
@Test(expected = NumberFormatException.class)
public void testParseHex_Negative2() throws Exception {
String s = "0x-12AC";
ParseLong.parseHex(s);
}
// Technically this is the same as MaxUnsigned
@Test
public void testParseHexMinSigned() throws Exception {
long i = Long.MIN_VALUE;
String s = "0x" + Long.toHexString(i);
assertEquals(i, ParseLong.parseHex(s));
}
// For values larger than the unsigned max, the method shouldn't thrown an exception but it will
// return a
// garbage result
@Test
public void testParseHexMaxUnsignedOverflow() throws Exception {
String s = "0x10000000000000000";
ParseLong.parseHex(s);
}
@Test
public void testParseHexMaxUnsigned() throws Exception {
long i = 0xFFFFFFFFFFFFFFFFL;
String s = "0xFFFFFFFFFFFFFFFF";
assertEquals(i, ParseLong.parseHex(s));
}
@Test
public void testParseHex() throws Exception {
long i = 123456;
String s = Long.toHexString(i);
assertEquals(i, ParseLong.parseHex(s));
}
