def test_lots_of_deletions():
f1 = FrequencyMap('abc')
f2 = FrequencyMap('abcdefghi')
assert compare_frequency_maps(f1, f2) == 6
def test_all_but_one_char_in_common():
f1 = FrequencyMap('abc')
f2 = FrequencyMap('bcd')
assert compare_frequency_maps(f1, f2) == 2
def test_compare_exact_anagrams():
f1 = FrequencyMap('test')
f2 = FrequencyMap('tset')
assert compare_frequency_maps(f1, f2) == 0
def test_compare_words_with_no_chars_in_common():
f1 = FrequencyMap('abc')
f2 = FrequencyMap('def')
assert compare_frequency_maps(f1, f2) == 6
def test_compare_freq_maps():
f1 = FrequencyMap('test')
f2 = FrequencyMap('tseting')
assert compare_frequency_maps(f1, f2) == 3