public void ColumnHeaderCollection_ContainsKey_Empty_ReturnsFalse()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
Assert.False(collection.ContainsKey("text"));
Assert.False(collection.ContainsKey(null));
}
public void ColumnHeaderCollection_ContainsKey_Invoke_ReturnsExpected(string key, bool 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.ContainsKey(key));
}
public bool ContainsKey(string key) => list.ContainsKey(key);
