def test_keys(self):
h = HTTPHeaderMap()
h['k1'] = 'v1, v2'
h['k2'] = 'v3'
h['k1'] = 'v4'
assert len(list(h.keys())) == 4
assert list(h.keys()) == [b'k1', b'k1', b'k2', b'k1']
def test_keys(self):
h = HTTPHeaderMap()
h['k1'] = 'v1, v2'
h['k2'] = 'v3'
h['k1'] = 'v4'
assert len(list(h.keys())) == 4
assert list(h.keys()) == [b'k1', b'k1', b'k2', b'k1']
