public void CompareToWithUnequalObjectTypes()
{
IComparable first = new CommandId("name");
var second = new object();
Assert.Throws <ArgumentException>(() => first.CompareTo(second));
}
public void CompareToOperatorWithEqualObjects()
{
IComparable first = new CommandId("name");
object second = new CommandId("name");
Assert.AreEqual(0, first.CompareTo(second));
}
public void CompareToWithLargerFirstObject()
{
IComparable first = new CommandId("b");
object second = new CommandId("a");
Assert.IsTrue(first.CompareTo(second) > 0);
}
public void CompareToWithNullObject()
{
IComparable first = new CommandId("name");
object second = null;
Assert.AreEqual(1, first.CompareTo(second));
}
public void CompareToWithSmallerFirstObject()
{
IComparable first = new CommandId("a");
object second = new CommandId("b");
Assert.IsTrue(string.Compare("a", "b", StringComparison.Ordinal) < 0);
Assert.IsTrue(first.CompareTo(second) < 0);
}