def test_two_matches_and_matching_doubled_value_on_end():
expected_output = [4, 16, 16]
expected_score = 4 + 16
_input = [2, 2, 8, 8, 16]
output, score = condense(_input)
assert output == expected_output
assert score == expected_score
def test_non_match_at_start_followed_by_match():
expected_output = [2, 16, 16]
expected_score = 16
_input = [2, 8, 8, 16]
output, score = condense(_input)
assert output == expected_output
assert score == expected_score
def test_one_match_and_matching_doubled_value_on_end():
expected_output = [4, 4]
expected_score = 4
_input = [2, 2, 4]
output, score = condense(_input)
assert output == expected_output
assert score == expected_score
def test_no_matches():
expected_output = [2, 4, 8]
expected_score = 0
_input = [2, 4, 8]
output, score = condense(_input)
assert output == expected_output
assert score == expected_score
def test_two_matches_and_one_on_end():
expected_output = [4, 16, 4]
expected_score = 4 + 16
_input = [2, 2, 8, 8, 4]
output, score = condense(_input)
assert output == expected_output
assert score == expected_score
def test_one_match_and_one_on_end():
expected_output = [4, 8]
expected_score = 4
_input = [2, 2, 8]
output, score = condense(_input)
assert output == expected_output
assert score == expected_score
def test_only_two_matches():
expected_output = [4, 16]
expected_score = 4 + 16
_input = [2, 2, 8, 8]
output, score = condense(_input)
assert output == expected_output
assert score == expected_score