public void testNaNWithNoSource() {
PercentileDef def = new PercentileDef("foo", null, 95);
Assert.IsNull(def.Values);
def.Timestamps = new long[] { 1 };
double[] values = def.Values;
Assert.IsNotNull(values);
Assert.AreEqual(1, values.Length);
Assert.AreEqual(Double.NaN, values[0], 0.0f);
}
/**
* All these tests have a bunch of boilerplate code, encapsulated in this method
* @throws RrdException
*/
private void commonTest(long[] timestamps, double[] inValues, double percentile, double expectedResult, String comment){
Source src = new LocalSource("bar");
src.Timestamps = timestamps;
src.Values = inValues;
PercentileDef def = new PercentileDef("foo", src, percentile);
Assert.IsNull(def.Values);
def.Timestamps = timestamps;
def.Calculate(0, timestamps.Length); //Must start from 0 to use the full list of values (otherwise the aggregation uses the last 9 values)
double[] outValues = def.Values;
Assert.IsNotNull(outValues);
//Expect as many output values as we gave timestamps
Assert.AreEqual(timestamps.Length, outValues.Length);
foreach (double value in outValues) {
Assert.AreEqual(expectedResult, value, 0.0,comment);
}
}