public static Task ShowWindowAndExecuteTests(SystemWindow initialSystemWindow, AutomationTest testMethod, double secondsToTestFailure = 30, string imagesDirectory = "", Action closeWindow = null)
{
var testRunner = new AutomationRunner(InputMethod, DrawSimulatedMouse, imagesDirectory);
var resetEvent = new AutoResetEvent(false);
// On load, release the reset event
initialSystemWindow.Load += (s, e) =>
{
resetEvent.Set();
};
int testTimeout = (int)(1000 * secondsToTestFailure);
var timer = Stopwatch.StartNew();
bool testTimedOut = false;
// Start two tasks, the timeout and the test method. Block in the test method until the first draw
Task <Task> task = Task.WhenAny(
Task.Delay(testTimeout),
Task.Run(() =>
{
// Wait until the first system window draw before running the test method, up to the timeout
resetEvent.WaitOne(testTimeout);
return(testMethod(testRunner));
}));
// Once either the timeout or the test method has completed, store if a timeout occurred and shutdown the SystemWindow
task.ContinueWith(innerTask =>
{
long elapsedTime = timer.ElapsedMilliseconds;
testTimedOut = elapsedTime >= testTimeout;
// Invoke the callers close implementation or fall back to CloseOnIdle
if (closeWindow != null)
{
closeWindow();
}
else
{
initialSystemWindow.CloseOnIdle();
}
});
// Main thread blocks here until released via CloseOnIdle above
initialSystemWindow.ShowAsSystemWindow();
// Wait for CloseOnIdle to complete
testRunner.WaitFor(() => initialSystemWindow.HasBeenClosed);
if (testTimedOut)
{
// Throw an exception for test timeouts
throw new TimeoutException("TestMethod timed out");
}
// After the system window is closed return the task and any exception to the calling context
return(task?.Result ?? Task.CompletedTask);
}
