def test_int2fin_reference_invalid_results():
"""Test some invalid values from issue #6"""
assert int2fin_reference(10711) != '1071110'
assert int2fin_reference(10551) != '1055110'
assert int2fin_reference(10261) != '1026110'
assert int2fin_reference(10391) != '1039110'
assert int2fin_reference(10841) != '1084110'
def test_int2fin_reference_invalid_results():
"""Test some invalid values from issue #6"""
assert int2fin_reference(10711) != '1071110'
assert int2fin_reference(10551) != '1055110'
assert int2fin_reference(10261) != '1026110'
assert int2fin_reference(10391) != '1039110'
assert int2fin_reference(10841) != '1084110'
def test_int2fin_reference_valid_results():
"""Test handpicked, known-good inputs and corresponding outputs"""
assert int2fin_reference(1) == '13'
assert int2fin_reference(10) == '107'
assert int2fin_reference(10552) == '105523'
assert int2fin_reference(10231) == '102319'
assert int2fin_reference(10832) == '108326'
assert int2fin_reference(10081) == '100816'
assert int2fin_reference(10872) == '108724'
assert int2fin_reference(10871) == '108711'
def test_int2fin_reference_valid_results():
"""Test handpicked, known-good inputs and corresponding outputs"""
assert int2fin_reference(1) == '13'
assert int2fin_reference(10) == '107'
assert int2fin_reference(10552) == '105523'
assert int2fin_reference(10231) == '102319'
assert int2fin_reference(10832) == '108326'
assert int2fin_reference(10081) == '100816'
assert int2fin_reference(10872) == '108724'
assert int2fin_reference(10871) == '108711'
def test_int2fin_reference_random_inputs():
for x in range(1000):
testint = random.randint(1, 2**24)
reference = int2fin_reference(testint)
assert fin_reference_isvalid(reference)
def test_int2fin_reference_random_inputs():
for x in range(1000):
testint = random.randint(1, 2**24)
reference = int2fin_reference(testint)
assert fin_reference_isvalid(reference)
