public void Test_AreSame()
{
var a = new object();
var b = new object();
Assert.Throws <CustomException>(
() => Require.AreSame <CustomException>(a, b)
);
Assert.Throws <ArgumentException>(
() => Require.AreSame(a, b)
);
Assert.DoesNotThrow(
() => Require.AreSame <CustomException>(a, a)
);
Assert.DoesNotThrow(
() => Require.AreSame(a, a)
);
}