def clamp(self, size):
"""
Returns a new point enforced to be in the rectangle
between the origin and the point ``size``.
"""
sx, sy = size
return Point(clamp(self._x, 0, sx),
clamp(self._y, 0, sy))
def test_clamp_below(self):
""" Test for clamp when the value is below the minimum value """
assert mathutil.clamp(-5, 0, 10) == 0
def test_clamp_above(self):
""" Test for clamp when the value is above the maximum value """
assert mathutil.clamp(15, 0, 10) == 10
def test_clamp_wrong_range(self):
""" Test for clamp when the maximum value is less than the minimum """
with pytest.raises(ValueError):
mathutil.clamp(5, 10, 0)
def test_clamp_between(self):
""" Test for clamp when the value is between the maximum and
minimum values """
assert mathutil.clamp(5, 0, 10) == 5
