def test_tone2_tone3(pinyin, result):
assert tone2_to_tone3(pinyin) == result
assert to_tone3(pinyin) == result
assert tone3_to_tone2(result) == pinyin
assert to_tone2(result) == pinyin
assert to_tone2(pinyin) == pinyin
def test_tone_to_tone2_tone3_to_tone():
pinyin_set = set()
for py in pinyin_dict.pinyin_dict.values():
pinyin_set.update(py.split(','))
for py in pinyin_set:
tone2 = tone_to_tone2(py)
assert tone2_to_tone(tone2) == py
assert to_tone(tone2) == py
tone2_3 = tone2_to_tone3(tone2)
assert tone3_to_tone(tone2_3) == py
assert to_tone(tone2_3) == py
#
tone3 = tone_to_tone3(py)
assert tone3_to_tone(tone3) == py
assert to_tone(tone3) == py
tone3_2 = tone3_to_tone2(tone3)
assert tone2_to_tone(tone3_2) == py
assert to_tone(tone3_2) == py
def test_tone2_tone3_with_v_to_u(pinyin, v_to_u, result):
assert tone2_to_tone3(pinyin, v_to_u=v_to_u) == result