def test_latex_repr_testsize(editsdefaults):
# _repr_latex_ returns None when size > maxsize
from control import set_defaults
maxsize = defaults['statesp.latex_maxsize']
nstates = maxsize // 2
ninputs = maxsize - nstates
noutputs = ninputs
assert nstates > 0
assert ninputs > 0
g = rss(nstates, ninputs, noutputs)
assert isinstance(g._repr_latex_(), str)
set_defaults('statesp', latex_maxsize=maxsize - 1)
assert g._repr_latex_() is None
set_defaults('statesp', latex_maxsize=-1)
assert g._repr_latex_() is None
gstatic = ss([], [], [], 1)
assert gstatic._repr_latex_() is None
def test_constructor_invalid(self, args, exc, errmsg):
"""Test invalid input to StateSpace() constructor"""
with pytest.raises(exc, match=errmsg):
StateSpace(*args)
with pytest.raises(exc, match=errmsg):
ss(*args)
