// [Ignore("Sort ordering is not preserved (unstable) with equal elements (c.f. System.Array.Sort (Array, IComparer)))")]
public void OrderingIsUnperturbedWithEqualProps()
{
ISortDefinition definition = new MutableSortDefinition("Age", false, true);
TestObject one = new TestObject("Rick", 19);
TestObject two = new TestObject("Balzac", 19);
TestObject three = new TestObject("Jenny", 19);
TestObject[] actual = new TestObject[] { one, two, three };
TestObject[] expected = new TestObject[] { one /*Rick*/, two /*Balzac*/, three /*Jenny*/ };
PropertyComparator.Sort(actual, definition);
for (int i = 0; i < actual.Length; ++i)
{
Assert.AreEqual(expected[i].Name, actual[i].Name);
}
}
public void Sort()
{
ISortDefinition definition = new MutableSortDefinition("NAmE", true, true);
TestObject one = new TestObject("Rick", 19);
TestObject two = new TestObject("Balzac", 205);
TestObject three = new TestObject("Jenny", 89);
TestObject[] actual = new TestObject[] { one, two, three };
TestObject[] expected = new TestObject[] { two /*Balzac*/, three /*Jenny*/, one /*Rick*/ };
PropertyComparator.Sort(actual, definition);
for (int i = 0; i < actual.Length; ++i)
{
Assert.AreEqual(expected[i].Name, actual[i].Name);
}
}
public void SortInDescendingOrder()
{
ISortDefinition definition = new MutableSortDefinition("NAmE", true, false);
TestObject one = new TestObject("Rick", 19);
TestObject two = new TestObject("Balzac", 205);
TestObject three = new TestObject("Jenny", 89);
TestObject[] actual = new TestObject[] { one, two, three };
// Rick comes after Jenny comes after Balzac (descending sort order)...
TestObject[] expected = new TestObject[] { one /*Rick*/, three /*Jenny*/, two /*Balzac*/ };
PropertyComparator.Sort(actual, definition);
for (int i = 0; i < actual.Length; ++i)
{
Assert.AreEqual(expected[i].Name, actual[i].Name);
}
}
public void SortWithNullDefinition()
{
Assert.Throws <ArgumentNullException>(() => PropertyComparator.Sort(Type.EmptyTypes, null));
}