def test_variables_set():
a = Scalar(1.0)
b = a
a.value = 2.0
assert_(a is b)
assert_(a.raw is b.raw)
v = Variables(dict(a=Scalar(1.0), b=Scalar(1.5)))
v.set({"a": 0.5})
assert_allclose(v.get("a"), 0.5)
def test_types_scalar_comparison():
a = Scalar(1.0)
b = Scalar(2.0)
assert_(a < b)
assert_(a <= b)
assert_(a != b)
b.value = 1.0
assert_(a == b)
def test_types_scalar_listen():
a = Scalar(1.0)
class Listener(object):
def __init__(self):
self.value = None
def __call__(self):
self.value = 3.0
l = Listener()
a.listen(l)
a.value = 3.0
assert_(l.value == 3.0)