public static void TestCompareTo()
{
EI8 e = EI8.One;
int result;
// Special case: All values are "greater than" null.
Object other = null;
result = e.CompareTo(other);
Assert.Equal(result, 1);
try
{
sbyte b = 1;
result = e.CompareTo(b);
Assert.True(false, "CompareTo should have failed.");
}
catch (ArgumentException)
{
}
other = EI8.One;
result = e.CompareTo(other);
Assert.Equal(result, 0);
other = (EI8)(0);
result = e.CompareTo(other);
Assert.True(result > 0);
other = (EI8)(2);
result = e.CompareTo(other);
Assert.True(result < 0);
}
public static void TestToObject()
{
Object o;
o = 3;
try
{
Enum.ToObject(null, o);
Assert.True(false, "ToObject() should have thrown.");
}
catch (ArgumentNullException)
{
}
o = null;
try
{
Enum.ToObject(typeof(EI8), o);
Assert.True(false, "ToObject() should have thrown.");
}
catch (ArgumentNullException)
{
}
o = 1;
try
{
Enum.ToObject(typeof(Enum), o);
Assert.True(false, "ToObject() should have thrown.");
}
catch (ArgumentException)
{
}
try
{
o = "Hello";
Enum.ToObject(typeof(EI8), o);
Assert.True(false, "ToObject() should have thrown.");
}
catch (ArgumentException)
{
}
TestToObjectVerifySuccess <EI8, sbyte>(42);
TestToObjectVerifySuccess <EI8, EI8>((EI8)0x42);
TestToObjectVerifySuccess <EU64, ulong>(0x0123456789abcdefL);
ulong l = 0x0ccccccccccccc2aL;
EI8 e = (EI8)(Enum.ToObject(typeof(EI8), l));
Assert.True((sbyte)e == 0x2a);
}
public static void TestCompareTo()
{
EI8 e = EI8.One;
// Special case: All values are "greater than" null.
Assert.Equal(1, e.CompareTo(null));
Assert.Throws <ArgumentException>(() => e.CompareTo((sbyte)1));
Assert.Equal(0, e.CompareTo(EI8.One));
Assert.InRange(e.CompareTo((EI8)0), 1, int.MaxValue);
Assert.InRange(e.CompareTo((EI8)2), int.MinValue, -1);
}
public static void TestToObject()
{
Assert.Throws <ArgumentNullException>(() => Enum.ToObject(null, 3));
Assert.Throws <ArgumentNullException>(() => Enum.ToObject(typeof(EI8), null));
Assert.Throws <ArgumentException>(() => Enum.ToObject(typeof(Enum), 1));
Assert.Throws <ArgumentException>(() => Enum.ToObject(typeof(EI8), "Hello"));
TestToObjectVerifySuccess <EI8, sbyte>(42);
TestToObjectVerifySuccess <EI8, EI8>((EI8)0x42);
TestToObjectVerifySuccess <EU64, ulong>(0x0123456789abcdefL);
ulong l = 0x0ccccccccccccc2aL;
EI8 e = (EI8)(Enum.ToObject(typeof(EI8), l));
Assert.True((sbyte)e == 0x2a);
}