def test_release_particles(self):
'''test that the 'id' for uncertain spill container's data is
starting from 0'''
spill = [
point_line_release_spill(self.num_elements, self.start_position,
self.start_time) for i in range(2)
]
scp = SpillContainerPair(True)
scp += spill[0]
scp += spill[1]
for sc in scp.items():
sc.prepare_for_model_run(windage_at)
# model sets this for each step
sc.current_time_stamp = self.start_time
sc.release_elements(100, self.start_time)
for key in ['id', 'spill_num', 'age']:
c_val = scp.LE(key)
u_val = scp.LE(key, 'uncertain')
assert np.all(c_val == u_val)
