full_tests = False

def test(fmt, *args):

print('{:8s}'.format(fmt) + '>' + fmt.format(*args) + '<')

def test_fmt(conv, fill, alignment, sign, prefix, width, precision, type, arg):

test(fmt, arg)

eg_nums = (0.0, -0.0, 0.1, 1.234, 12.3459, 1.23456789, 123456789.0, -0.0,

-1.23456e-1, -1.23456e-2, -1.23456e-3, -1.23456e-4, -1.23456e-5, -1.23456e-6, -1.23456e-7, -1.23456e-8)

if full_tests:

for type in ('e', 'E', 'g', 'G', 'n'):

for width in ('', '4', '6', '8', '10'):

for alignment in ('', '<', '>', '=', '^'):

for fill in ('', '@', '0', ' '):

for sign in ('', '+', '-', ' '):

for prec in ('', '1', '3', '6'):

for num in eg_nums:

test_fmt('', fill, alignment, sign, '', width, prec, type, num)

f_nums = (0.0, -0.0, 0.0001, 0.001, 0.01, 0.1, 1.0, 10.0,

0.0012, 0.0123, 0.1234, 1.23459, 12.3456,

-0.0001, -0.001, -0.01, -0.1, -1.0, -10.0,

-0.0012, -0.0123, -0.1234, -1.23459, -12.3456)

if full_tests:

for type in ('f', 'F'):

for width in ('', '4', '6', '8', '10'):

for alignment in ('', '<', '>', '=', '^'):

for fill in ('', ' ', '0', '@'):

for sign in ('', '+', '-', ' '):

# An empty precision defaults to 6, but when uPy is

# configured to use a float, we can only use a

# precision of 6 with numbers less than 10 and still

# get results that compare to CPython (which uses

# long doubles).

for prec in ('1', '2', '3'):

for num in f_nums:

test_fmt('', fill, alignment, sign, '', width, prec, type, num)

for num in int_nums2:

test_fmt('', fill, alignment, sign, '', width, '', type, num)

pct_nums1 = (0.1, 0.58, 0.99, -0.1, -0.58, -0.99)

pct_nums2 = (True, False, 1, 0, -1)

if full_tests:

type = '%'

for width in ('', '4', '6', '8', '10'):

for alignment in ('', '<', '>', '=', '^'):

for fill in ('', ' ', '0', '@'):

for sign in ('', '+', '-', ' '):

# An empty precision defaults to 6, but when uPy is

# configured to use a float, we can only use a

# precision of 6 with numbers less than 10 and still

# get results that compare to CPython (which uses

# long doubles).

for prec in ('1', '2', '3'):

for num in pct_nums1:

test_fmt('', fill, alignment, sign, '', width, prec, type, num)

for num in pct_nums2:

test_fmt('', fill, alignment, sign, '', width, '', type, num)

else:

for num in pct_nums1:

test_fmt('', '', '', '', '', '', '1', '%', num)