/** @test verify the Handling pattern API: undo a command */
void
checkUndo (PCommandImpl com)
{
CHECK (com);
CHECK (com->canExec());
CHECK (com->canUndo());
CHECK (command1::check_ > 0);
HaPatt ePatt = HandlingPattern::get(TEST_PATTERN);
ExecResult res = ePatt.undo (*com, TEST_CMD);
CHECK (res);
CHECK (command1::check_ == 0);
}
void
checkExec (PCommandImpl com)
{
CHECK (com);
CHECK (!com->canExec());
typedef Types<int> ArgType;
const int ARGU (1 + rand() % 1000);
Tuple<ArgType> tuple(ARGU);
TypedArguments<Tuple<ArgType> > arg(tuple);
com->setArguments(arg);
CHECK (com->canExec());
CHECK (!com->canUndo());
command1::check_ = 0;
HaPatt patt = HandlingPattern::get(TEST_PATTERN);
ExecResult res = patt.invoke(*com, TEST_CMD);
CHECK (res);
CHECK (ARGU == command1::check_);
CHECK (com->canUndo());
}
/** @test use custom implementation of the HandlingPattern interface,
* rigged to verify the functions are actually invoked.
*/
void
useCustomHandler (PCommandImpl com)
{
CustomHandler specialHandler;
CHECK (com->canExec());
CHECK (not specialHandler.invokedExec());
specialHandler.exec (*com, TEST_CMD);
CHECK ( specialHandler.invokedExec());
CHECK (not specialHandler.invokedUndo());
specialHandler.undo (*com, TEST_CMD);
CHECK ( specialHandler.invokedExec());
}
