public static void TestHasFlagInvalid()
{
Int32Enum e = (Int32Enum)0x3f06;
Assert.Throws <ArgumentNullException>("flag", () => e.HasFlag(null)); // Flag is null
Assert.Throws <ArgumentException>(null, () => e.HasFlag((SimpleEnum)0x2)); // Different enum type
}
public static void HasFlag_Invalid()
{
Int32Enum e = (Int32Enum)0x3f06;
Assert.Throws <ArgumentNullException>("flag", () => e.HasFlag(null)); // Flag is null
Assert.Throws <ArgumentException>(null, () => e.HasFlag((SimpleEnum)0x3000)); // Enum is not the same type as the instance
}
public static void TestHasFlag(Enum flag, bool expected)
{
Int32Enum e = (Int32Enum)0x3f06;
bool b = e.HasFlag(flag);
Assert.Equal(expected, b);
}