public void GetPreciseElapsedTime()
{
var instrumentation = new Instrumentation();
instrumentation.Start();
Thread.Sleep(750);
var elapsed = instrumentation.GetPreciseElapsedTime();
Assert.IsTrue(0.75 <= elapsed && elapsed <= 0.78);
}
public void GetPreciseElapsedTime()
{
var instrumentation = new Instrumentation();
instrumentation.Start();
Thread.Sleep(750);
var elapsed = instrumentation.GetPreciseElapsedTime();
//Assert.IsTrue(elapsed >= 0.75 && elapsed < 0.751); //fails because using reflection (in GetPreciseElapsedTime) takes time.
Assert.IsTrue(elapsed >= 0.75 && elapsed < 0.78);//passes because we broadened the range.
//Could have fixed by taking the ending time before using reflection istead, but this example shows the limitations of reflection.
}
public void GetPreciseElapseTimeTest()
{
//-- Arrange
Instrumentation instrumentation = new Instrumentation();
//-- Act
instrumentation.Start();
Thread.Sleep(750);
double elapsedTime = instrumentation.GetPreciseElapsedTime();
Debug.Write(elapsedTime);
//-- Assert
Assert.IsTrue(elapsedTime >= 0.75 && elapsedTime < 0.780);
}
