public void CanUndoDeleteItemCommand()
{
var items = new List <DocumentItem>
{
new DocumentItem(new TestParagraph()),
};
Assert.AreEqual(items.Count, 1);
DeleteItemCommand c = new DeleteItemCommand(0, items);
c.Execute();
Assert.AreEqual(items.Count, 0);
c.Unexecute();
Assert.AreEqual(items.Count, 1);
}
public void Unexecute_DeleteItemCommand_WithPosition_ShouldRemoveItemFromItemsList()
{
var documentItems = new List <DocumentItem>
{
new DocumentItem(new TestParagraph()),
new DocumentItem(new TestParagraph())
};
var command = new DeleteItemCommand(documentItems, 1);
command.Execute();
Assert.AreEqual(1, documentItems.Count);
command.Unexecute();
Assert.AreEqual(2, documentItems.Count);
}
public void Unexecute_InsertItemInvoked()
{
// Arrange
var imageDocumentItem = new DocumentItem(new ImageClass("", "", 1, 1));
bool isInsertItemInvoked = false;
_documentMock
.Setup(d => d.InsertImage(It.IsAny <string>(), It.IsAny <int>(), It.IsAny <int>(), It.IsAny <int>()))
.Callback(() => isInsertItemInvoked = true);
_documentMock.Setup(d => d.GetItem(It.IsAny <int>())).Returns(imageDocumentItem);
ICommand command = new DeleteItemCommand(1, _documentMock.Object);
command.Execute();
// Act
command.Unexecute();
// Assert
Assert.True(isInsertItemInvoked);
}
