public void ExecuteAction_When_Called_Calls_Action()
{
// Arrange
int actionCallTimes = 0;
Stopwatch stopwatchSentToAction = null;
Action <Stopwatch> action = (sw) =>
{
actionCallTimes++;
stopwatchSentToAction = sw;
};
ManualStopwatchStrategy measurementStrategy = new ManualStopwatchStrategy(action);
Stopwatch stopwatch = new Stopwatch();
// Act
measurementStrategy.ExecuteAction(stopwatch);
// Assert
Assert.AreEqual(1, actionCallTimes);
Assert.AreEqual(stopwatch, stopwatchSentToAction);
Assert.AreEqual(0, stopwatch.ElapsedTicks);
Assert.IsFalse(stopwatch.IsRunning);
}
public void ExecuteAction_When_Called_Given_That_Action_Throws_Does_Not_Swallow_Exception()
{
// Arrange
int actionCallTimes = 0;
Action <Stopwatch> action = (sw) =>
{
sw.Start();
actionCallTimes++;
throw new InvalidOperationException();
};
ManualStopwatchStrategy measurementStrategy = new ManualStopwatchStrategy(action);
Stopwatch stopwatch = new Stopwatch();
Assert.Catch <InvalidOperationException>(() =>
{
// Act
measurementStrategy.ExecuteAction(stopwatch);
});
// Assert
Assert.AreEqual(1, actionCallTimes);
Assert.AreNotEqual(0, stopwatch.ElapsedTicks);
Assert.IsFalse(stopwatch.IsRunning);
}