public void WindowsPerformanceLiasonTest_VerifyIncrementByWithBaseAverageTimer32()
{
//// The spans need to be ever increasing number like if you used a global stopwatch
long span1 = 1000;
long span2 = 2000;
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
//// average (time) of all measurements performed. lets assume it was clear before we ran the test
//// this value is probably 0 because we haven't run any in the past
float initialValue =
underTest.NextValue(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name);
//// increment the base counters by something other than the default
underTest.IncrementBy(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name, span1, 4);
underTest.IncrementBy(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name, span2, 4);
//// average (time) of all measurements performed.
float finalValue =
underTest.NextValue(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name);
//// ((N1 - N0) / F) / (B1 - B0)
//// how fast is our clock
float freq = Stopwatch.Frequency;
float numerator = ((float)(span2 - span1)) / freq;
float denominator = 8 - 4;
Assert.AreEqual(numerator / denominator, finalValue, .002, "Freq: " + freq);
}
public void WindowsPerformanceLiasonTest_VerifyIncrementBySimple64()
{
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
float initialValue =
underTest.NextValue(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestCounterNumberOfItems64Name);
underTest.IncrementBy(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestCounterNumberOfItems64Name, 3);
float finalValue =
underTest.NextValue(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestCounterNumberOfItems64Name);
Assert.AreEqual(initialValue + 3, finalValue);
}
public void WindowsPerformanceLiasonTest_VerifyIncrementAverageTimer32()
{
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
underTest.Increment(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name);
underTest.Increment(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;
float numerator = ((float)(2 - 1)) / freq;
float denominator = 2 - 1;
Assert.AreEqual(numerator / denominator, finalValue, .002, "Freq: " + freq);
}
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 WindowsPerformanceLiasonTest_VerifyIncrementByAverageTimer32()
{
//// The spans need to be ever increasing number like if you used a global stopwatch
long span1 = 1000;
long span2 = 2000;
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
//// average (time) of all measurements performed. lets assume it was clear before we ran the test
underTest.IncrementBy(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name, span1);
underTest.IncrementBy(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name, span2);
//// average (time) of all measurements performed.
float finalValue =
underTest.NextValue(CounterTestUtilities.TestCategoryName, CounterTestUtilities.TestAverageTimer32Name);
//// ((N1 - N0) / F) / (B1 - B0)
//// how fast is our clock
float freq = Stopwatch.Frequency;
float numerator = ((float)(span2 - span1)) / freq;
float denominator = 2 - 1;
Assert.AreEqual(numerator / denominator, finalValue, .002, "Freq: " + freq);
}
public void WindowsPerformanceLiasonBoundsTest_VerifyNextValueEmptyCounterCheck()
{
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
underTest.NextValue(CounterTestUtilities.TestCategoryName, string.Empty);
}
public void WindowsPerformanceLiasonBoundsTest_VerifyNextValueEmptyCategoryCheck()
{
WindowsPerformanceLiason underTest = new WindowsPerformanceLiason();
underTest.NextValue(string.Empty, CounterTestUtilities.TestCounterNumberOfItems64Name);
}