public void ColumnHeaderCollection_IndexOfKey_Invoke_ReturnsExpected(string key, int expected)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header1 = new ColumnHeader();
var header2 = new ColumnHeader();
header2.Name = "text";
collection.Add(header1);
collection.Add(header2);
Assert.Equal(expected, collection.IndexOfKey(key));
// Call again to validate caching behaviour.
Assert.Equal(expected, collection.IndexOfKey(key));
Assert.Equal(-1, collection.IndexOfKey("noSuchKey"));
}
public void ColumnHeaderCollection_IndexOfKey_Empty_ReturnsFalse()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
Assert.Equal(-1, collection.IndexOfKey("text"));
Assert.Equal(-1, collection.IndexOf(null));
}
public int IndexOfKey(string key) => list.IndexOfKey(key);
