public void CanAddComandInHistoryAndExecuteIt()
{
TestCommand c = new TestCommand();
History history = new History();
Assert.IsFalse(c.IsExecuted);
history.AddAndExecuteCommand(c);
Assert.IsTrue(c.IsExecuted);
}
public void CanUndo_WithIndexGreaterThanZero_ShouldReturnTrue()
{
var history = new History();
var text = new Text();
var command = new ReplaceTextCommand(text, "text");
history.AddAndExecuteCommand(command);
Assert.IsTrue(history.CanUndo());
}
public void CanRedoCommand()
{
TestCommand c = new TestCommand();
History history = new History();
Assert.IsFalse(c.IsExecuted);
history.AddAndExecuteCommand(c);
Assert.IsTrue(c.IsExecuted);
history.Undo();
Assert.IsFalse(c.IsExecuted);
}
public void Redo_WithValidIndex_ShouldRedoCommand()
{
var history = new History();
var text = new Text();
var command = new ReplaceTextCommand(text, "text");
history.AddAndExecuteCommand(command);
history.Undo();
Assert.IsTrue(history.CanRedo());
history.Redo();
}
public void DeletesAllCommandsUpToCurrentCommandWhenInsertsNewCommand()
{
TestCommand c1 = new TestCommand();
TestCommand c2 = new TestCommand();
TestCommand c3 = new TestCommand();
TestCommand c4 = new TestCommand();
TestCommand cNew2 = new TestCommand();
History history = new History();
history.AddAndExecuteCommand(c1);
history.AddAndExecuteCommand(c2);
history.AddAndExecuteCommand(c3);
history.AddAndExecuteCommand(c4);
history.Undo();
history.Undo();
history.AddAndExecuteCommand(cNew2);
Assert.IsTrue(c3.IsDeleted);
Assert.IsTrue(c4.IsDeleted);
Assert.IsTrue(cNew2.IsExecuted);
}
public void AddAndExecuteCommand_With_ShouldRemoveFirstCommand()
{
var history = new History();
var items = new List <DocumentItem>();
var paragraph = new Paragraph(history, "text");
var command1 = new InsertParagraphCommand(items, paragraph, 0);
var command2 = new InsertParagraphCommand(items, paragraph, 1);
var command3 = new InsertParagraphCommand(items, paragraph, 1);
var command4 = new InsertParagraphCommand(items, paragraph, 2);
history.AddAndExecuteCommand(command1);
history.AddAndExecuteCommand(command2);
history.AddAndExecuteCommand(command3);
history.AddAndExecuteCommand(command4);
history.Undo();
history.Undo();
history.Undo();
history.AddAndExecuteCommand(command2);
history.AddAndExecuteCommand(command3);
}
public void DeleteFirstCommandIfCommandMoreThan10()
{
History history = new History();
TestCommand c1 = new TestCommand();
TestCommand c2 = new TestCommand();
TestCommand c3 = new TestCommand();
TestCommand c4 = new TestCommand();
TestCommand c5 = new TestCommand();
TestCommand c6 = new TestCommand();
TestCommand c7 = new TestCommand();
TestCommand c8 = new TestCommand();
TestCommand c9 = new TestCommand();
TestCommand c10 = new TestCommand();
TestCommand c11 = new TestCommand();
history.AddAndExecuteCommand(c1);
history.AddAndExecuteCommand(c2);
history.AddAndExecuteCommand(c3);
history.AddAndExecuteCommand(c4);
history.AddAndExecuteCommand(c5);
history.AddAndExecuteCommand(c6);
history.AddAndExecuteCommand(c7);
history.AddAndExecuteCommand(c8);
history.AddAndExecuteCommand(c9);
history.AddAndExecuteCommand(c10);
history.AddAndExecuteCommand(c11);
while (history.CanUndo())
{
history.Undo();
}
Assert.IsTrue(c1.IsExecuted);
Assert.IsFalse(c11.IsExecuted);
}
public void SetTitle(string title)
{
_history.AddAndExecuteCommand(new ReplaceTextCommand(_title, title));
}
public void AddAndExecuteCommand_WithElevenCommands_ShouldRemoveFirstCommand()
{
var history = new History();
var text = new Text();
var command = new ReplaceTextCommand(text, "text");
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
history.AddAndExecuteCommand(command);
}