public void WindowsPerformanceLiasonTest_VerifyDecrementSimple64()
{
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
float initalValue =
underTest.NextValue(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestCounterNumberOfItems64Name);
underTest.IncrementBy(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestCounterNumberOfItems64Name, 7);
underTest.Decrement(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestCounterNumberOfItems64Name);
float finalValue =
underTest.NextValue(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestCounterNumberOfItems64Name);
Assert.AreEqual(initalValue + 6, finalValue);
}
public void WindowsPerformanceLiasonTest_VerifyDecrementAverageTimer32()
{
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
underTest.Increment(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name);
underTest.Increment(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name);
underTest.Decrement(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name);
float finalValue =
underTest.NextValue(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name);
//// ((N1 - N0) / F) / (B1 - B0)
//// how fast is our clock
float freq = Stopwatch.Frequency;
//// ((N1 - N0) / F)
float numerator = (1 - 2) / freq;
float denominator = 3 - 2;
Assert.AreEqual(numerator / denominator, finalValue, .002, "Freq: " + freq);
//// the final value is actually 0 here and our calculatd value is very small, almost -0
}
public void WindowsPerformanceLiasonBoundsTest_VerifyDecrementEmptyCounterCheck()
{
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
underTest.Decrement(CounterTestUtilities.TestCategoryName, string.Empty);
}
public void WindowsPerformanceLiasonBoundsTest_VerifyDecrementEmptyCategoryCheck()
{
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
underTest.Decrement(string.Empty, CounterTestUtilities.TestCounterNumberOfItems64Name);
}
