def test_marker_within_data_section():
o1 = decompress_string(t5)
o2 = decompress_string(t6)
o3 = decompress_string(t7)
assert o1 == '(1x3)A'
assert len(o1) == 6
assert o2 == 'X(3x3)ABC(3x3)ABCY'
assert len(o2) == 18
assert o3 == 'X(3x3)AB((3x3)AB(2x2)CY'
def test_two_markers():
o = decompress_string(t4)
assert o == 'ABCBCDEFEFG'
assert len(o) == 11
def test_one_marker_one_char():
o = decompress_string(t2)
assert o == 'ABBBBBC'
assert len(o) == 7
def test_one_marker_3_chars():
o = decompress_string(t3)
assert o == 'XYZXYZXYZ'
assert len(o) == 9
def test_no_markers():
o = decompress_string(t1)
assert o == t1
assert len(o) == 6