public void ChangingSetpointWorksRepeatably()
{
// this is to check for a bug that manifested when
// ShiftSubsequentData() was called several times with
// various values
IRandomGenerator randomGenerator = new RandomGeneratorStub(0.95);
var sampleData = new SampleDataGenerator(10, 20, randomGenerator);
sampleData.GetNextValue();
sampleData.ShiftSubsequentData(200);
sampleData.GetNextValue();
sampleData.ShiftSubsequentData(2000);
// this one will just be 2000
sampleData.GetNextValue();
// this one will likely be different
var result1 = sampleData.GetNextValue();
Assert.GreaterOrEqual(result1, 1995);
Assert.LessOrEqual(result1, 2005);
sampleData.ShiftSubsequentData(-2000);
// this one will just be -2000
sampleData.GetNextValue();
// this one will likely be different
var result2 = sampleData.GetNextValue();
Assert.GreaterOrEqual(result2, -2005);
Assert.LessOrEqual(result2, -1995);
}
