public void IndexOfShouldReturnExpectedValue()
{
// arrange
var source = new ObservableKeyedCollection<string, object>( o => o.ToString() );
var target = new ReadOnlyObservableKeyedCollection<string, object>( source );
var item = new object();
var expected = 0;
source.Add( item );
// act
var actual = target.IndexOf( item );
// assert
Assert.Equal( expected, actual );
}
public void IListIndexOfShouldNotMatchIncompatibleItemType()
{
// arrange
var source = new ObservableKeyedCollection<string, string>( o => o.ToString() );
IList target = new ReadOnlyObservableKeyedCollection<string, string>( source );
var expected = -1;
source.Add( "test" );
// act
var actual = target.IndexOf( new object() );
// assert
Assert.Equal( expected, actual );
}