def pytestcase_seek_time_with_negative_time(dataset_dir):
"""Tests seeking in a file at a position with negative time"""
filename = os.path.join(dataset_dir,
"metavision_core", "event_io", "recording_td.dat")
record = EventDatReader(filename)
record.seek_time(-15)
assert record.current_event_index() == 0
assert record.done is False
assert record.current_time == 0
def pytestcase_seek_time_with_numerous_events(dataset_dir):
"""Tests seeking in a file containing not so many events at a position defined by a timestamp.The fact
that there are numerous events implies that position should be found using dichotomy plus numpy searchsort"""
filename = os.path.join(dataset_dir,
"metavision_core", "event_io", "recording_td.dat")
record = EventDatReader(filename)
record.seek_time(100)
assert record.current_event_index() == 14
assert record.done is False
assert record.current_time == 100