public static void ToString_InvalidFormat_ThrowsFormatException()
{
Int128 i = 123;
Assert.Throws <FormatException>(() => i.ToString("Y")); // Invalid format
Assert.Throws <FormatException>(() => i.ToString("Y", null)); // Invalid format
}
public static void ToStringTest(Int128 i, string format, IFormatProvider provider, string expected)
{
// Format is case insensitive
string upperFormat = format.ToUpperInvariant();
string lowerFormat = format.ToLowerInvariant();
string upperExpected = expected.ToUpperInvariant();
string lowerExpected = expected.ToLowerInvariant();
bool isDefaultProvider = (provider is null) || (provider == NumberFormatInfo.CurrentInfo);
if (string.IsNullOrEmpty(format) || (format.ToUpperInvariant() is "G" or "R"))
{
if (isDefaultProvider)
{
Assert.Equal(upperExpected, i.ToString());
Assert.Equal(upperExpected, i.ToString((IFormatProvider)null));
}
Assert.Equal(upperExpected, i.ToString(provider));
}
if (isDefaultProvider)
{
Assert.Equal(upperExpected, i.ToString(upperFormat));
Assert.Equal(lowerExpected, i.ToString(lowerFormat));
Assert.Equal(upperExpected, i.ToString(upperFormat, null));
Assert.Equal(lowerExpected, i.ToString(lowerFormat, null));
}
Assert.Equal(upperExpected, i.ToString(upperFormat, provider));
Assert.Equal(lowerExpected, i.ToString(lowerFormat, provider));
}
public void Should_sum_big_numbers_correctly(string x, string y, string z)
{
Int128 i1 = Int128.Parse(x);
Int128 i2 = Int128.Parse(y);
Int128 i3 = i1 + i2;
("0x" + i3.ToString("X32")).Should().Be(z);
}
public void Should_multiply_correctly(int x, int y, int z)
{
var i1 = (Int128)x;
var i2 = (Int128)y;
Int128 i3 = i1 * i2;
((int)i3).Should().Be(z);
i3.ToString().Should().Be(z.ToString(CultureInfo.InvariantCulture));
}
public void Should_leftShift_correctly(string x, string y, string z)
{
//
// X >> Y should = z
//
Int128 i1 = Int128.Parse(x);
int shifthBy = int.Parse(y);
Int128 i3 = i1 << shifthBy;
("0x" + i3.ToString("X32")).Should().Be(z);
}
public override string ToString()
{
return(_value.ToString("x2"));
}