public void ShouldCreateNewObjectWhenDroppedFromDifferentCollectionThanSourceCollection()
{
// Given
const int index = 1;
var element = new TwoPointNonUniformityCorrectionTemplate();
var dataSource = new ProcessingChainDataStore();
var targetCollection = dataSource.ProcessingChainTemplate;
var sourceCollection = new List <IProcessingChainElementTemplate> {
element
};
sourceCollection.Insert(index, element);
var dropInfo = new TestDropInfo
{
Data = element,
TargetCollection = targetCollection,
DragInfo = new TestDragInfo {
SourceCollection = sourceCollection
},
InsertIndex = index
};
var dropHandler = new ProcessingChainDropHandler();
// When
dropHandler.Drop(dropInfo);
var targetCollectionElement = targetCollection[index];
// Then
Assert.IsNotNull(targetCollectionElement);
Assert.AreEqual(index, targetCollection.IndexOf(targetCollectionElement));
Assert.IsFalse(ReferenceEquals(element, targetCollectionElement));
}
public void ShouldThrowExceptionWhenObjectDroppedFromOtherCollectionDoesNotContainParameterlessConstructor()
{
// Given
const int index = 1;
var element = new ParameterlessConstructorTestObject(1);
var dataSource = new ProcessingChainDataStore();
var sourceCollection = new List <object> {
element
};
var targetCollection = dataSource.ProcessingChainTemplate;
var dropInfo = new TestDropInfo
{
Data = element,
TargetCollection = targetCollection,
DragInfo = new TestDragInfo {
SourceCollection = sourceCollection
},
InsertIndex = index
};
var dropHandler = new ProcessingChainDropHandler();
// When
// Then
Assert.Throws <ArgumentException>(() => dropHandler.Drop(dropInfo));
}
public void ShouldNotAllowToDragOverItemsAtStartOrEndOfCollection(int index)
{
// Given
var dropInfo = new TestDropInfo {
Data = new TwoPointNonUniformityCorrectionTemplate(), TargetCollection = new object[3], InsertIndex = index
};
var dropHandler = new ProcessingChainDropHandler();
// When
dropHandler.DragOver(dropInfo);
// Then
Assert.AreEqual(DragDropEffects.None, dropInfo.Effects);
}
public void ShouldNotAllowToDragOverItemsOtherThanImageProcessingAlgorithmTemplates(Type elementType, bool shouldAllowToDragOver)
{
// Given
var dropInfo = new TestDropInfo
{
Data = elementType.GetConstructor(Type.EmptyTypes)?.Invoke(null),
TargetCollection = new object[3],
DragInfo = new TestDragInfo {
SourceCollection = new object[3]
},
InsertIndex = 1
};
var dropHandler = new ProcessingChainDropHandler();
// When
dropHandler.DragOver(dropInfo);
// Then
Assert.AreEqual(shouldAllowToDragOver, dropInfo.Effects != DragDropEffects.None);
}