public void ColumnHeaderCollection_Contains_Empty_ReturnsFalse() { var listView = new ListView(); var collection = new ListView.ColumnHeaderCollection(listView); Assert.False(collection.Contains(new ColumnHeader())); Assert.False(collection.Contains(null)); }
public void ColumnHeaderCollection_IListContains_Empty_ReturnsFalse() { using var listView = new ListView(); IList collection = new ListView.ColumnHeaderCollection(listView); Assert.False(collection.Contains(new ColumnHeader())); Assert.False(collection.Contains(new object())); Assert.False(collection.Contains(null)); }
public void ColumnHeaderCollection_Contains_Invoke_ReturnsExpected() { var listView = new ListView(); var collection = new ListView.ColumnHeaderCollection(listView); var header = new ColumnHeader(); collection.Add(header); Assert.True(collection.Contains(header)); Assert.False(collection.Contains(new ColumnHeader())); Assert.False(collection.Contains(null)); }
public bool Contains(ColumnHeaderEx item) => list.Contains(item);