public void TestNull()
{
TestInt ti = new TestInt(1);
object? o = null;
Assert.Greater(ti.CompareTo(o), 0);
}
public void TestSame()
{
TestInt ti = new TestInt(1);
object o = ti;
Assert.AreEqual(0, ti.CompareTo(o));
}
public void TestLessThan()
{
TestInt ti = new TestInt(1);
object o = new TestInt(2);
Assert.Less(ti.CompareTo(o), 0);
}
public void TestArgumentException()
{
TestInt ti = new TestInt(1);
object o = "test";
Assert.Throws <ArgumentException>(() => ti.CompareTo(o));
}
public void TestEqual()
{
var ti = new TestInt(1);
object o = new TestInt(1);
Assert.AreEqual(0, ti.CompareTo(o));
}
public void OperatorGreaterThan()
{
TestInt?iNull = null;
TestInt i1 = new TestInt(1);
TestInt i1b = new TestInt(1);
TestInt i2 = new TestInt(2);
Assert.IsTrue(ComparableImpl.OperatorGreaterThan(i1, iNull));
Assert.IsFalse(ComparableImpl.OperatorGreaterThan(iNull, i1));
Assert.IsFalse(ComparableImpl.OperatorGreaterThan(i1, i1));
Assert.IsFalse(ComparableImpl.OperatorGreaterThan(i1, i1b));
Assert.IsFalse(ComparableImpl.OperatorGreaterThan(i1, i2));
Assert.IsTrue(ComparableImpl.OperatorGreaterThan(i2, i1));
}
public void OperatorLessThanOrEqual()
{
TestInt?iNull = null;
var i1 = new TestInt(1);
var i1b = new TestInt(1);
var i2 = new TestInt(2);
Assert.IsTrue(ComparableImpl.OperatorLessThanOrEqual(iNull, i1));
Assert.IsFalse(ComparableImpl.OperatorLessThanOrEqual(i1, iNull));
Assert.IsTrue(ComparableImpl.OperatorLessThanOrEqual(i1, i1));
Assert.IsTrue(ComparableImpl.OperatorLessThanOrEqual(i1, i1b));
Assert.IsTrue(ComparableImpl.OperatorLessThanOrEqual(i1, i2));
Assert.IsFalse(ComparableImpl.OperatorLessThanOrEqual(i2, i1));
}
