public void ColumnHeaderCollection_Remove_ColumnHeader_Success()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
// Remove null.
collection.Remove(null);
Assert.Same(header, Assert.Single(collection));
collection.Remove(header);
Assert.Empty(collection);
Assert.Null(header.ListView);
Assert.Equal(-1, header.Index);
Assert.Equal(-1, header.DisplayIndex);
// Remove again.
collection.Remove(header);
Assert.Empty(collection);
Assert.Null(header.ListView);
Assert.Equal(-1, header.Index);
Assert.Equal(-1, header.DisplayIndex);
}
public void ColumnHeaderCollection_IListRemove_InvalidItem_Nop(object value)
{
var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
collection.Remove(value);
Assert.Same(header, Assert.Single(collection));
}
public void ColumnHeaderCollection_IListRemove_ColumnHeader_Success()
{
using var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
using var header = new ColumnHeader();
collection.Add(header);
collection.Remove(header);
Assert.Empty(collection);
Assert.Null(header.ListView);
Assert.Equal(-1, header.Index);
Assert.Equal(-1, header.DisplayIndex);
// Remove again.
collection.Remove(header);
Assert.Empty(collection);
Assert.Null(header.ListView);
Assert.Equal(-1, header.Index);
Assert.Equal(-1, header.DisplayIndex);
}
public void Remove(ColumnHeaderEx item)
{
list.Remove((ColumnHeader)item);
}
