forked from adafruit/circuitpython
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathstring_format2.py
More file actions
106 lines (95 loc) · 4.23 KB
/
Copy pathstring_format2.py
File metadata and controls
106 lines (95 loc) · 4.23 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
# 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,
0.0012, 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)
# We don't currently test a type of '' with floats (see the detailed comment
# in objstr.c)