public void Clear_ClearsCollection()
{
FilterCollection<int> filters = new FilterCollection<int>();
Filter<int> filter = new Mock<Filter<int>>().Object;
filters.Clear();
Assert.IsTrue(filters.IsEmpty());
Assert.IsFalse(filters.Contains(filter));
}
public void Constructor_Collection_AddsFilters()
{
FilterCollection<int> filters = new FilterCollection<int>();
Filter<int> filter = new Mock<Filter<int>>().Object;
filters.Add(filter);
FilterCollection<int> filtersCopy = new FilterCollection<int>(filters);
Assert.AreEqual(1, filtersCopy.Count);
Assert.IsTrue(filtersCopy.Contains(filter));
}
public void Add_FilterTwice_OnlyAddsOnce()
{
int filterAddedEventRaised = 0;
FilterCollection<int> filters = new FilterCollection<int>();
filters.FilterAdded += (sender, args) => filterAddedEventRaised++;
Filter<int> filter = new Mock<Filter<int>>().Object;
filters.Add(filter);
filters.Add(filter);
Assert.AreEqual(1, filters.Count);
Assert.IsTrue(filters.Contains(filter));
Assert.AreEqual(1, filterAddedEventRaised);
}
public void Contains_Type_ReturnsFiltersOfType()
{
FilterCollection<int> filters = new FilterCollection<int>();
Filter<int> filterInt = new Mock<Filter<int>>().Object;
Filter<double> filterDouble = new Mock<Filter<double>>().Object;
filters.Add(filterInt);
Assert.IsTrue(filters.Contains(filterInt.GetType()));
Assert.IsFalse(filters.Contains(filterDouble.GetType()));
}
public void IndexOperator_Set_ReplacesFilter()
{
FilterCollection<int> filters = new FilterCollection<int>();
Filter<int> filterA = new Mock<Filter<int>>().Object;
Filter<int> filterB = new Mock<Filter<int>>().Object;
filters.Add(filterA);
filters[0] = filterB;
Assert.IsFalse(filters.Contains(filterA));
Assert.IsTrue(filters.Contains(filterB));
Assert.AreEqual(filterB, filters[0]);
}
public void Remove_ByType()
{
FilterCollection<int> filters = new FilterCollection<int>();
Filter<int> filter = new Mock<Filter<int>>().Object;
filters.Add(filter);
filters.Remove(filter.GetType());
Assert.IsFalse(filters.Contains(filter));
}
