def test_without_time_mixin_prob(self):
"""
Test that non time dependent problems return true.
"""
prob = SimpleSteadyState(mesh=self.m, V=self.V)
solver = Solver(prob)
self.assertTrue(solver.is_steady_state())
def test_with_time_mixin_prob_true(self):
"""
Test that a time dependant problem returns true if no time set.
"""
prob = SimpleTimeDep(mesh=self.m, V=self.V)
solver = Solver(prob)
self.assertTrue(solver.is_steady_state())
def test_with_time_mixin_prob_false(self):
"""
Test that the time dependant problem returns false if time set.
"""
prob = SimpleTimeDep(mesh=self.m, V=self.V)
prob.set_timescale(dt=1.0, steps=5)
solver = Solver(prob)
self.assertFalse(solver.is_steady_state())