public void TestExecuteUndo()
{
var executeCalls = new List<int>(3);
var undoCalls = new List<int>(3);
var command = new PreExecutedCompositeCommand(new IUndoCommand[]
{
new MockCommand(() => executeCalls.Add(0), () => undoCalls.Add(0)),
new MockCommand(() => executeCalls.Add(1), () => undoCalls.Add(1)),
new MockCommand(() => executeCalls.Add(2), () => undoCalls.Add(2))
});
command.Execute();
executeCalls.Should().BeEmpty(because: "First execution should do nothing");
command.Undo();
undoCalls.Should().Equal(new[] {2, 1, 0}, because: "Child commands should be undone in descending order");
command.Execute();
executeCalls.Should().Equal(new[] {0, 1, 2}, because: "Child commands should be executed in ascending order");
}
public void TestExecuteUndo()
{
var executeCalls = new List <int>(3);
var undoCalls = new List <int>(3);
var command = new PreExecutedCompositeCommand(new IUndoCommand[]
{
new MockCommand(() => executeCalls.Add(0), () => undoCalls.Add(0)),
new MockCommand(() => executeCalls.Add(1), () => undoCalls.Add(1)),
new MockCommand(() => executeCalls.Add(2), () => undoCalls.Add(2))
});
command.Execute();
executeCalls.Should().BeEmpty(because: "First execution should do nothing");
command.Undo();
undoCalls.Should().Equal(new[] { 2, 1, 0 }, because: "Child commands should be undone in descending order");
command.Execute();
executeCalls.Should().Equal(new[] { 0, 1, 2 }, because: "Child commands should be executed in ascending order");
}