public void CompareToWithUnequalObjectTypes()
{
MockId first = new MockId(10);
object second = new object();
Assert.Throws <ArgumentException>(() => first.CompareTo(second));
}
public void CompareToOperatorWithEqualObjects()
{
MockId first = new MockId(10);
object second = new MockId(10);
Assert.AreEqual(0, first.CompareTo(second));
}
public void CompareToWithSmallerFirstObject()
{
MockId first = new MockId(10);
object second = new MockId(11);
Assert.IsTrue(first.CompareTo(second) < 0);
}
public void CompareToWithNullObject()
{
MockId first = new MockId(10);
object second = null;
Assert.AreEqual(1, first.CompareTo(second));
}