public void ReturnsTrueBetweenBounds(bool includeLeft, bool includeRight, double lower, double upper, double between)
{
var piece = new PiecewiseFunction.Piece {
IncludeUpperBound = false, UpperBound = upper
};
Assert.IsTrue(piece.Contains(between, lower, includeLeft));
}
public void ReturnsFalseForExcludedUpperBound(bool includeLeft, double lower, double upper)
{
var piece = new PiecewiseFunction.Piece {
IncludeUpperBound = false, UpperBound = upper
};
Assert.IsFalse(piece.Contains(upper, lower, includeLeft));
}
public void ReturnsFalseForExcludedLowerBound(bool includeRight, double lower, double upper)
{
var piece = new PiecewiseFunction.Piece {
IncludeUpperBound = includeRight, UpperBound = upper
};
Assert.IsFalse(piece.Contains(lower, lower, false));
}
public void ReturnsFalseAboveUpperBound(bool includeLeft, bool includeRight, double lower, double upper, double above)
{
var piece = new PiecewiseFunction.Piece {
IncludeUpperBound = false, UpperBound = upper
};
Assert.IsFalse(piece.Contains(above, lower, includeLeft));
}
public void ReturnsCorrectValueWhenIntersectionExists(bool includeLeft, bool includeRight, double lower, double upper, double value, double yIntersect, double slope, double expected)
{
var piece = new PiecewiseFunction.Piece {
UpperBound = upper, Value = value, IncludeUpperBound = includeRight
};
var function = new LinearFunction(slope, yIntersect);
var intersect = piece.GetIntersect(function, lower, includeLeft);
Assert.IsTrue(intersect.HasValue);
Assert.AreEqual(expected, intersect.Value);
}
public void ReturnsNullWhenNoIntersectionExists(
bool includeLeft,
bool includeRight,
double lower,
double upper,
double value,
double yIntersect,
double slope)
{
var piece = new PiecewiseFunction.Piece {
UpperBound = upper, Value = value, IncludeUpperBound = includeRight
};
var function = new LinearFunction(slope, yIntersect);
var intersect = piece.GetIntersect(function, lower, includeLeft);
Assert.IsFalse(intersect.HasValue);
}
