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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
# 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) + '<')
test("{}-{}", 1, [4, 5])
test("{0}-{1}", 1, [4, 5])
test("{1}-{0}", 1, [4, 5])
test("{:x}", 1)
test("{!r}", 2)
test("{:x}", 0x10)
test("{!r}", "foo")
test("{!s}", "foo")
test("{0!r:>10s} {0!s:>10s}", "foo")
test("{:4b}", 10)
test("{:4c}", 48)
test("{:4d}", 123)
test("{:4n}", 123)
test("{:4o}", 123)
test("{:4x}", 123)
test("{:4X}", 123)
test("{:4,d}", 12345678)
test("{:#4b}", 10)
test("{:#4o}", 123)
test("{:#4x}", 123)
test("{:#4X}", 123)
test("{:#4d}", 0)
test("{:#4b}", 0)
test("{:#4o}", 0)
test("{:#4x}", 0)
test("{:#4X}", 0)
test("{:<6s}", "ab")
test("{:>6s}", "ab")
test("{:^6s}", "ab")
test("{: <6d}", 123)
test("{: <6d}", -123)
test("{:0<6d}", 123)
test("{:0<6d}", -123)
test("{:@<6d}", 123)
test("{:@<6d}", -123)
test("{:@< 6d}", 123)
test("{:@< 6d}", -123)
test("{:@<+6d}", 123)
test("{:@<+6d}", -123)
test("{:@<-6d}", 123)
test("{:@<-6d}", -123)
test("{:@>6d}", -123)
test("{:@<6d}", -123)
test("{:@=6d}", -123)
test("{:06d}", -123)
test("{:10.4e}", 123.456)
test("{:10.4e}", -123.456)
test("{:10.4f}", 123.456)
test("{:10.4f}", -123.456)
test("{:10.4g}", 123.456)
test("{:10.4g}", -123.456)
test("{:e}", 100)
test("{:f}", 200)
test("{:g}", 300)
test("{:10.4E}", 123.456)
test("{:10.4E}", -123.456)
test("{:10.4F}", 123.456)
test("{:10.4F}", -123.456)
test("{:10.4G}", 123.456)
test("{:10.4G}", -123.456)
# The following fails right now
#test("{:10.1}", 0.0)
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)
int_nums = (-1234, -123, -12, -1, 0, 1, 12, 123, 1234, True, False)
int_nums2 = (-12, -1, 0, 1, 12, True, False)
if full_tests:
for type in ('', 'b', 'd', 'o', 'x', 'X'):
for width in ('', '1', '3', '5', '7'):
for alignment in ('', '<', '>', '=', '^'):
for fill in ('', ' ', '0', '@'):
for sign in ('', '+', '-', ' '):
for prefix in ('', '#'):
for num in int_nums:
test_fmt('', fill, alignment, sign, prefix, width, '', type, num)
if full_tests:
for width in ('', '1', '2'):
for alignment in ('', '<', '>', '^'):
for fill in ('', ' ', '0', '@'):
test_fmt('', fill, alignment, '', '', width, '', 'c', 48)
if full_tests:
for conv in ('', 'r', 's'):
for width in ('', '1', '4', '10'):
for alignment in ('', '<', '>', '^'):
for fill in ('', ' ', '0', '@'):
for str in ('', 'a', 'bcd', 'This is a test with a longer string'):
test_fmt(conv, fill, alignment, '', '', width, '', 's', str)
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)
# We don't currently test a type of '' with floats (see the detailed comment
# in objstr.c)
# TODO Add tests for erroneous format strings.
|
