def test_line_decoder_cr():
decoder = LineDecoder()
assert decoder.decode("") == []
assert decoder.decode("a\r\rb\rc") == ["a\n", "\n", "b\n"]
assert decoder.flush() == ["c"]
decoder = LineDecoder()
assert decoder.decode("") == []
assert decoder.decode("a\r\rb\rc\r") == ["a\n", "\n", "b\n"]
assert decoder.flush() == ["c\n"]
def test_line_decoder_nl():
decoder = LineDecoder()
assert decoder.decode("") == []
assert decoder.decode("a\n\nb\nc") == ["a\n", "\n", "b\n"]
assert decoder.flush() == ["c"]
decoder = LineDecoder()
assert decoder.decode("") == []
assert decoder.decode("a\n\nb\nc\n") == ["a\n", "\n", "b\n", "c\n"]
assert decoder.flush() == []