def test_clear(self):
xc = XigtCorpus()
xc.extend([Igt(id='i1'), Igt(id='i2'), Igt(id='i3')])
self.assertEqual(len(xc), 3)
xc.clear()
self.assertEqual(len(xc), 0)
self.assertIs(xc.get(0), None)
self.assertIs(xc.get('i1'), None)
def test_clear(self):
xc = XigtCorpus()
xc.extend([Igt(id='i1'), Igt(id='i2'), Igt(id='i3')])
assert len(xc) == 3
xc.clear()
assert len(xc) == 0
assert xc.get(0) is None
assert xc.get('i1') is None
