public void MinusOneResultDoNotCallStableSorter()
{
TestSorter s = new TestSorter(-1);
var mock = new Mock <IComparer>(MockBehavior.Strict);
s.StableSorter = mock.Object;
Assert.AreEqual(-1, s.Compare(new TestRow(), new TestRow()));
mock.Verify(m => m.Compare(It.IsAny <TestRow>(), It.IsAny <TestRow>()), Times.Never());
}
public void TestNullsInComparisonReturnOne()
{
TestSorter sorter = new TestSorter(3);
Assert.AreEqual(3, sorter.Compare(new TestRow(), new TestRow()));
Assert.AreEqual(1, sorter.Compare(null, new TestRow()));
Assert.AreEqual(1, sorter.Compare(new TestRow(), null));
Assert.AreEqual(1, sorter.Compare(null, null));
}
public void NullObjectsAreTestedAsOne()
{
TestSorter s = new TestSorter(3);
Assert.AreEqual(1, s.Compare(null, null));
Assert.AreEqual(1, s.Compare(new TestRow(), null));
Assert.AreEqual(1, s.Compare(null, new TestRow()));
Assert.AreEqual(3, s.Compare(new TestRow(), new TestRow()));
}
public void ZeroResultDoesCallStableSorterAndReturnsTheStableSorterValue()
{
TestSorter s = new TestSorter(0);
var mock = new Mock <IComparer>(MockBehavior.Strict);
mock.Setup(m => m.Compare(It.IsAny <TestRow>(), It.IsAny <TestRow>())).Returns(3);
s.StableSorter = mock.Object;
Assert.AreEqual(3, s.Compare(new TestRow(), new TestRow()));
mock.Verify(m => m.Compare(It.IsAny <TestRow>(), It.IsAny <TestRow>()), Times.Once());
}
public void TestDefaultConstructorUsesAscending()
{
TestSorter sorter = new TestSorter(3);
Assert.AreEqual(3, sorter.Compare(new TestRow(), new TestRow()));
}
public void TestDirectionConstructorDescending()
{
TestSorter sorter = new TestSorter(ListSortDirection.Descending, 3);
Assert.AreEqual(-3, sorter.Compare(new TestRow(), new TestRow()));
}
public void TestNullsInComparisonReturnOne()
{
TestSorter sorter = new TestSorter(3);
Assert.AreEqual(3, sorter.Compare(new TestRow(), new TestRow()));
Assert.AreEqual(1, sorter.Compare(null, new TestRow()));
Assert.AreEqual(1, sorter.Compare(new TestRow(), null));
Assert.AreEqual(1, sorter.Compare(null, null));
}
public void TestDefaultConstructorUsesAscending()
{
TestSorter sorter = new TestSorter(3);
Assert.AreEqual(3, sorter.Compare(new TestRow(), new TestRow()));
}
public void TestDirectionConstructorDescending()
{
TestSorter sorter = new TestSorter(ListSortDirection.Descending, 3);
Assert.AreEqual(-3, sorter.Compare(new TestRow(), new TestRow()));
}
