def test_merge_adjacent_not_numeric():
with pytest.raises((TypeError, ValueError)):
humanize.merge_adjacent("xyz")
def test_merge_adjacent_with_custom_indicator():
result = humanize.merge_adjacent("123", '-')
assert result == ["1-3"]
def test_merge_adjacent_with_explicit_base():
result = humanize.merge_adjacent(['10', '3'], base=4)
assert result == ["3..10"]
def test_merge_adjacent_basic(numbers, expected):
result = humanize.merge_adjacent(numbers)
assert result == expected