public static void RemoveTest()
{
// trying to remove item in collection.
string[] anArray = { "one", "two", "three", "four" };
ObservableSet <string> col = new ObservableSet <string>(anArray);
CollectionAndPropertyChangedTester helper = new CollectionAndPropertyChangedTester();
helper.RemoveItemTest(col, 2, "three", true, hasDuplicates: false);
// trying to remove item not in collection.
anArray = new string[] { "one", "two", "three", "four" };
col = new ObservableSet <string>(anArray);
helper = new CollectionAndPropertyChangedTester();
helper.RemoveItemTest(col, -1, "three2", false, hasDuplicates: false);
// removing null
anArray = new string[] { "one", "two", "three", "four" };
col = new ObservableSet <string>(anArray);
helper = new CollectionAndPropertyChangedTester();
helper.RemoveItemTest(col, -1, null, false, hasDuplicates: false);
//// trying to remove item in collection that has duplicates.
//anArray = new string[] { "one", "three", "two", "three", "four" };
//col = new ObservableSet<string>(anArray);
//helper = new CollectionAndPropertyChangedTester();
//helper.RemoveItemTest(col, 1, "three", true, hasDuplicates: true);
//// want to ensure that there is one "three" left in collection and not both were removed.
//int occurrencesThree = 0;
//foreach (var item in col)
//{
// if (item.Equals("three"))
// occurrencesThree++;
//}
//Assert.Equal(1, occurrencesThree);
}
public static void AddTest()
{
string[] anArray = { "one", "two", "three" };
ObservableSet <string> col = new ObservableSet <string>(anArray);
CollectionAndPropertyChangedTester helper = new CollectionAndPropertyChangedTester();
helper.AddOrInsertItemTest(col, "four");
}
public static void ClearTest()
{
string[] anArray = { "one", "two", "three", "four" };
ObservableSet <string> col = new ObservableSet <string>(anArray);
col.Clear();
Assert.Equal(0, col.Count);
Assert.Empty(col);
//AssertExtensions.Throws<ArgumentOutOfRangeException>("index", () => col.ToArray()[1]);
//tests that the collectionChanged events are fired.
CollectionAndPropertyChangedTester helper = new CollectionAndPropertyChangedTester();
col = new ObservableSet <string>(anArray);
helper.ClearTest(col);
}
