65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
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# comprehensive functionality test for {} format string
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int_tests = False # these take a while, and some give wrong results
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char_tests = True
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str_tests = True
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def test(fmt, *args):
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print('{:8s}'.format(fmt) + '>' + fmt.format(*args) + '<')
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def test_fmt(conv, fill, alignment, sign, prefix, width, precision, type, arg):
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fmt = '{'
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if conv:
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fmt += '!'
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fmt += conv
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fmt += ':'
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if alignment:
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fmt += fill
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fmt += alignment
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fmt += sign
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fmt += prefix
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fmt += width
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if precision:
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fmt += '.'
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fmt += precision
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fmt += type
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fmt += '}'
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test(fmt, arg)
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if fill == '0' and alignment == '=':
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fmt = '{:'
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fmt += sign
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fmt += prefix
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fmt += width
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if precision:
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fmt += '.'
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fmt += precision
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fmt += type
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fmt += '}'
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test(fmt, arg)
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if int_tests:
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int_nums = (-1234, -123, -12, -1, 0, 1, 12, 123, 1234, True, False)
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#int_nums = (-12, -1, 0, 1, 12, True, False)
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for type in ('', 'b', 'd', 'o', 'x', 'X'):
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for width in ('', '1', '3', '5', '7'):
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for alignment in ('', '<', '>', '=', '^'):
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for fill in ('', ' ', '0', '@'):
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for sign in ('', '+', '-', ' '):
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for prefix in ('', '#'):
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for num in int_nums:
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test_fmt('', fill, alignment, sign, prefix, width, '', type, num)
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if char_tests:
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for width in ('', '1', '2'):
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for alignment in ('', '<', '>', '^'):
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for fill in ('', ' ', '0', '@'):
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test_fmt('', fill, alignment, '', '', width, '', 'c', 48)
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if str_tests:
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for conv in ('', 'r', 's'):
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for width in ('', '1', '4', '10'):
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for alignment in ('', '<', '>', '^'):
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for fill in ('', ' ', '0', '@'):
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for str in ('', 'a', 'bcd', 'This is a test with a longer string'):
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test_fmt(conv, fill, alignment, '', '', width, '', 's', str)
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