baf6f14deb
This adds support for almost everything (the comma isn't currently supported). The "unspecified" type with floats also doesn't behave exactly like python. Tested under unix with float and double Spot tested on stmhal
139 lines
5.3 KiB
Python
139 lines
5.3 KiB
Python
def test(fmt, *args):
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print('{:8s}'.format(fmt) + '>' + fmt.format(*args) + '<')
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test("{}-{}", 1, [4, 5])
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test("{0}-{1}", 1, [4, 5])
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test("{1}-{0}", 1, [4, 5])
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test("{:x}", 1)
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test("{!r}", 2)
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test("{1}-{0}", 1, [4, 5])
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test("{:x}", 0x10)
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test("{!r}", "foo")
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test("{!s}", "foo")
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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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int_nums = (-1234, -123, -12, -1, 0, 1, 12, 123, 1234, True, False)
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int_nums2 = (-12, -1, 0, 1, 12, True, False)
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if True:
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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 True:
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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 True:
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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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eg_nums = (0.0, -0.0, 0.1, 1.234, 12.3459, 1.23456789, 123456789.0, -0.0,
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-0.1, -1.234, -12.3459, 1e4, 1e-4, 1e5, 1e-5, 1e6, 1e-6, 1e10,
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1e37, -1e37, 1e-37, -1e-37,
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1.23456e8, 1.23456e7, 1.23456e6, 1.23456e5, 1.23456e4, 1.23456e3, 1.23456e2, 1.23456e1, 1.23456e0,
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1.23456e-1, 1.23456e-2, 1.23456e-3, 1.23456e-4, 1.23456e-5, 1.23456e-6, 1.23456e-7, 1.23456e-8,
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-1.23456e8, -1.23456e7, -1.23456e6, -1.23456e5, -1.23456e4, -1.23456e3, -1.23456e2, -1.23456e1, -1.23456e0,
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-1.23456e-1, -1.23456e-2, -1.23456e-3, -1.23456e-4, -1.23456e-5, -1.23456e-6, -1.23456e-7, -1.23456e-8)
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if True:
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for type in ('e', 'E', 'g', 'G', 'n'):
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for width in ('', '4', '6', '8', '10'):
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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 prec in ('', '1', '3', '6'):
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for num in eg_nums:
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test_fmt('', fill, alignment, sign, '', width, prec, type, num)
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# Note: We use 1.23459 rather than 1.2345 because '{:3f}'.format(1.2345)
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# rounds differently than print("%.3f", 1.2345);
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f_nums = (0.0, -0.0, 0.0001, 0.001, 0.01, 0.1, 1.0, 10.0,
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0.0012, 0.0123, 0.1234, 1.23459, 12.3456,
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-0.0001, -0.001, -0.01, -0.1, -1.0, -10.0,
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-0.0012, -0.0123, -0.1234, -1.23459, -12.3456)
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if True:
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for type in ('f', 'F'):
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for width in ('', '4', '6', '8', '10'):
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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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# An empty precision defaults to 6, but when uPy is
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# configured to use a float, we can only use a
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# precision of 6 with numbers less than 10 and still
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# get results that compare to CPython (which uses
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# long doubles).
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for prec in ('1', '2', '3'):
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for num in f_nums:
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test_fmt('', fill, alignment, sign, '', width, prec, type, num)
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for num in int_nums2:
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test_fmt('', fill, alignment, sign, '', width, '', type, num)
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pct_nums1 = (0.1, 0.58, 0.99, -0.1, -0.58, -0.99)
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pct_nums2 = (True, False, 1, 0, -1)
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if True:
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type = '%'
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for width in ('', '4', '6', '8', '10'):
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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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# An empty precision defaults to 6, but when uPy is
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# configured to use a float, we can only use a
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# precision of 6 with numbers less than 10 and still
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# get results that compare to CPython (which uses
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# long doubles).
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for prec in ('1', '2', '3'):
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for num in pct_nums1:
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test_fmt('', fill, alignment, sign, '', width, prec, type, num)
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for num in pct_nums2:
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test_fmt('', fill, alignment, sign, '', width, '', type, num)
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# We don't currently test a type of '' with floats (see the detailed comment
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# in objstr.c)
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# TODO Add tests for erroneous format strings.
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