def test_counterstring_length_0(): assert generate_counterstring('*', 0) == ''
def test_counterstring_length_57(): assert generate_counterstring( '*', 57) == '*3*5*7*9*12*15*18*21*24*27*30*33*36*39*42*45*48*51*54*57*'
def test_counterstring_length_100(): assert generate_counterstring( '*', 100 ) == '*3*5*7*9*12*15*18*21*24*27*30*33*36*39*42*45*48*51*54*57*60*63*66*69*72*75*78*81*84*87*90*93*96*100*'
def test_counterstring_length_10(): assert generate_counterstring('*', 10) == '*3*5*7*10*'
def test_counterstring_length_35(): assert generate_counterstring('*', 35) == '2*4*6*8*11*14*17*20*23*26*29*32*35*'
def test_counterstring_length_5(): assert generate_counterstring('*', 5) == '*3*5*'
def test_counterstring_negative(): assert generate_counterstring('*', -10) == ''
def test_counterstring_length_4(): assert generate_counterstring('*', 4) == '2*4*'
def test_counterstring_length_3(): assert generate_counterstring('*', 3) == '*3*'
def test_counterstring_length_2(): assert generate_counterstring('*', 2) == '2*'
def test_counterstring_length_1(): assert generate_counterstring('*', 1) == '*'
def pyclip(desired_marker, desired_length): return generate_counterstring(desired_marker, desired_length)