public void ReadPoints_ZeroOrLessNumberOfPoints_ThrowsArgumentException(double interval, int pointsCount, double startPoint)
{
// arrange
Exception exception = null;
service = new IntervalReaderService();
// act
try
{
service.ReadPoints(new IntervalReaderSettings
{
Interval = interval,
PointsCount = pointsCount,
StartPoint = startPoint
});
}
catch (Exception ex)
{
exception = ex;
}
// assert
Assert.NotNull(exception);
Assert.IsInstanceOf <ArgumentException>(exception);
}
public void ReadPoints_PositiveInterval(double interval, int pointsCount, double startPoint)
{
// arrange
service = new IntervalReaderService();
// act
var result = service.ReadPoints(new IntervalReaderSettings
{
Interval = interval,
PointsCount = pointsCount,
StartPoint = startPoint
});
// assert
Assert.AreEqual(result.Length, pointsCount);
Assert.AreEqual(result[0], startPoint);
Assert.AreEqual(result[result.Length - 1], startPoint + ((pointsCount - 1) * interval));
}
public void ReadPoints_ZeroInterval()
{
// arrange
int pointsCount = 5;
double startPoint = 0;
service = new IntervalReaderService();
// act
var result = service.ReadPoints(new IntervalReaderSettings
{
Interval = 0,
PointsCount = pointsCount,
StartPoint = startPoint
});
// assert
Assert.AreEqual(result.Length, pointsCount);
foreach (var r in result)
{
Assert.AreEqual(r, startPoint);
}
}