iframe-proxy | Sunbelt Computer Software

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# Change the following to True to get a much more comprehensive set of tests
# to run, albeit, which take considerably longer.
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):
    fmt = '{'
    if conv:
        fmt += '!'
        fmt += conv
    fmt += ':'
    if alignment:
        fmt += fill
        fmt += alignment
    fmt += sign
    fmt += prefix
    fmt += width
    if precision:
        fmt += '.'
        fmt += precision
    fmt += type
    fmt += '}'
    test(fmt,  arg)
    if fill == '0' and alignment == '=':
        fmt = '{:'
        fmt += sign
        fmt += prefix
        fmt += width
        if precision:
            fmt += '.'
            fmt += precision
        fmt += type
        fmt += '}'
        test(fmt, arg)
eg_nums = (0.0, -0.0, 0.1, 1.234, 12.3459, 1.23456789, 123456789.0, -0.0,
    -0.1, -1.234, -12.3459, 1e4, 1e-4, 1e5, 1e-5, 1e6, 1e-6, 1e10,
    1e37, -1e37, 1e-37, -1e-37,
    1.23456e8, 1.23456e7, 1.23456e6, 1.23456e5, 1.23456e4, 1.23456e3, 1.23456e2, 1.23456e1, 1.23456e0,
    1.23456e-1, 1.23456e-2, 1.23456e-3, 1.23456e-4, 1.23456e-5, 1.23456e-6, 1.23456e-7, 1.23456e-8,
    -1.23456e8, -1.23456e7, -1.23456e6, -1.23456e5, -1.23456e4, -1.23456e3, -1.23456e2, -1.23456e1, -1.23456e0,
    -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)
# Note: We use 1.23459 rather than 1.2345 because '{:3f}'.format(1.2345)
#       rounds differently than print("%.3f", 1.2345);
f_nums = (0.0, -0.0, 0.0001, 0.001, 0.01, 0.1, 1.0, 10.0,
    -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)
    for num in pct_nums1:
        test_fmt('', '', '', '', '', '', '1', '%', num)
# We don't currently test a type of '' with floats (see the detailed comment
# in  objstr.c)
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