public void ParsingBinaryNumber()
{
bool success = UltimateIntParser.TryParse("1011", 2, out int value);
Assert.True(success);
Assert.Equal(0b1011, value);
}
public void ParsingDecimalNumber()
{
bool success = UltimateIntParser.TryParse("1234567890", 10, out int value);
Assert.True(success);
Assert.Equal(1234567890, value);
}
public void ParsingNumberWithSign()
{
bool success = UltimateIntParser.TryParse("-567", 10, out int value);
Assert.True(success);
Assert.Equal(-567, value);
success = UltimateIntParser.TryParse("+765", 10, out value);
Assert.True(success);
Assert.Equal(765, value);
}
public void ParsingHexadecimalNumber()
{
bool success = UltimateIntParser.TryParse("23456789", 16, out int value);
Assert.True(success);
Assert.Equal(0x23456789, value);
success = UltimateIntParser.TryParse("01abcdef", 16, out value);
Assert.True(success);
Assert.Equal(0x01abcdef, value);
}
public void WrongInputFormat()
{
// megállás
bool success = UltimateIntParser.TryParse("", 16, out int value);
Assert.False(success);
success = UltimateIntParser.TryParse("+", 16, out value);
Assert.False(success);
success = UltimateIntParser.TryParse("-", 16, out value);
// értelmezhetetlen karakter
Assert.False(success);
success = UltimateIntParser.TryParse("=", 16, out value);
Assert.False(success);
success = UltimateIntParser.TryParse("++", 16, out value);
Assert.False(success);
success = UltimateIntParser.TryParse("--", 16, out value);
Assert.False(success);
success = UltimateIntParser.TryParse("D87+", 16, out value);
Assert.False(success);
// értelmezhetetlen számjegy
success = UltimateIntParser.TryParse("102", 2, out value);
Assert.False(success);
success = UltimateIntParser.TryParse("10A", 10, out value);
Assert.False(success);
success = UltimateIntParser.TryParse("10G", 16, out value);
Assert.False(success);
}
public void NumberOverflows()
{
bool success = UltimateIntParser.TryParse("7fffffff", 16, out int value);
Assert.True(success);
Assert.Equal(0x7fff_ffff, value);
success = UltimateIntParser.TryParse("80000000", 16, out value);
Assert.False(success);
success = UltimateIntParser.TryParse("-80000000", 16, out value);
Assert.True(success);
Assert.Equal(-0x8000_0000, value);
success = UltimateIntParser.TryParse("-80000001", 16, out value);
Assert.False(success);
}
public void WrongArguments()
{
Assert.Throws <ArgumentNullException>(() => UltimateIntParser.TryParse(null, 10, out int value));
Assert.Throws <ArgumentException>(() => UltimateIntParser.TryParse("121", 17, out int value));
}