public static void RemoveTest()
{
// trying to remove item in collection.
string[] anArray = { "one", "two", "three", "four" };
ObservableCollection<string> col = new ObservableCollection<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 ObservableCollection<string>(anArray);
helper = new CollectionAndPropertyChangedTester();
helper.RemoveItemTest(col, -1, "three2", false, hasDuplicates: false);
// removing null
anArray = new string[] { "one", "two", "three", "four" };
col = new ObservableCollection<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 ObservableCollection<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 occurancesThree = 0;
foreach (var item in col)
{
if (item.Equals("three"))
occurancesThree++;
}
Assert.Equal(1, occurancesThree);
}
public static void RemoveTest()
{
// trying to remove item in collection.
string[] anArray = { "one", "two", "three", "four" };
ObservableCollection <string> col = new ObservableCollection <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 ObservableCollection <string>(anArray);
helper = new CollectionAndPropertyChangedTester();
helper.RemoveItemTest(col, -1, "three2", false, hasDuplicates: false);
// removing null
anArray = new string[] { "one", "two", "three", "four" };
col = new ObservableCollection <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 ObservableCollection <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);
}
