1 import unittest
2 from test.support import import_helper
3 from test.support import warnings_helper
4
5 # Skip this test if the _testcapi module isn't available.
6 import_helper.import_module('_testcapi')
7 from _testcapi import _test_structmembersType, \
8 CHAR_MAX, CHAR_MIN, UCHAR_MAX, \
9 SHRT_MAX, SHRT_MIN, USHRT_MAX, \
10 INT_MAX, INT_MIN, UINT_MAX, \
11 LONG_MAX, LONG_MIN, ULONG_MAX, \
12 LLONG_MAX, LLONG_MIN, ULLONG_MAX, \
13 PY_SSIZE_T_MAX, PY_SSIZE_T_MIN
14
15 ts=_test_structmembersType(False, # T_BOOL
16 1, # T_BYTE
17 2, # T_UBYTE
18 3, # T_SHORT
19 4, # T_USHORT
20 5, # T_INT
21 6, # T_UINT
22 7, # T_LONG
23 8, # T_ULONG
24 23, # T_PYSSIZET
25 9.99999,# T_FLOAT
26 10.1010101010, # T_DOUBLE
27 "hi" # T_STRING_INPLACE
28 )
29
30 class ESC[4;38;5;81mReadWriteTests(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
31
32 def test_bool(self):
33 ts.T_BOOL = True
34 self.assertEqual(ts.T_BOOL, True)
35 ts.T_BOOL = False
36 self.assertEqual(ts.T_BOOL, False)
37 self.assertRaises(TypeError, setattr, ts, 'T_BOOL', 1)
38
39 def test_byte(self):
40 ts.T_BYTE = CHAR_MAX
41 self.assertEqual(ts.T_BYTE, CHAR_MAX)
42 ts.T_BYTE = CHAR_MIN
43 self.assertEqual(ts.T_BYTE, CHAR_MIN)
44 ts.T_UBYTE = UCHAR_MAX
45 self.assertEqual(ts.T_UBYTE, UCHAR_MAX)
46
47 def test_short(self):
48 ts.T_SHORT = SHRT_MAX
49 self.assertEqual(ts.T_SHORT, SHRT_MAX)
50 ts.T_SHORT = SHRT_MIN
51 self.assertEqual(ts.T_SHORT, SHRT_MIN)
52 ts.T_USHORT = USHRT_MAX
53 self.assertEqual(ts.T_USHORT, USHRT_MAX)
54
55 def test_int(self):
56 ts.T_INT = INT_MAX
57 self.assertEqual(ts.T_INT, INT_MAX)
58 ts.T_INT = INT_MIN
59 self.assertEqual(ts.T_INT, INT_MIN)
60 ts.T_UINT = UINT_MAX
61 self.assertEqual(ts.T_UINT, UINT_MAX)
62
63 def test_long(self):
64 ts.T_LONG = LONG_MAX
65 self.assertEqual(ts.T_LONG, LONG_MAX)
66 ts.T_LONG = LONG_MIN
67 self.assertEqual(ts.T_LONG, LONG_MIN)
68 ts.T_ULONG = ULONG_MAX
69 self.assertEqual(ts.T_ULONG, ULONG_MAX)
70
71 def test_py_ssize_t(self):
72 ts.T_PYSSIZET = PY_SSIZE_T_MAX
73 self.assertEqual(ts.T_PYSSIZET, PY_SSIZE_T_MAX)
74 ts.T_PYSSIZET = PY_SSIZE_T_MIN
75 self.assertEqual(ts.T_PYSSIZET, PY_SSIZE_T_MIN)
76
77 @unittest.skipUnless(hasattr(ts, "T_LONGLONG"), "long long not present")
78 def test_longlong(self):
79 ts.T_LONGLONG = LLONG_MAX
80 self.assertEqual(ts.T_LONGLONG, LLONG_MAX)
81 ts.T_LONGLONG = LLONG_MIN
82 self.assertEqual(ts.T_LONGLONG, LLONG_MIN)
83
84 ts.T_ULONGLONG = ULLONG_MAX
85 self.assertEqual(ts.T_ULONGLONG, ULLONG_MAX)
86
87 ## make sure these will accept a plain int as well as a long
88 ts.T_LONGLONG = 3
89 self.assertEqual(ts.T_LONGLONG, 3)
90 ts.T_ULONGLONG = 4
91 self.assertEqual(ts.T_ULONGLONG, 4)
92
93 def test_bad_assignments(self):
94 integer_attributes = [
95 'T_BOOL',
96 'T_BYTE', 'T_UBYTE',
97 'T_SHORT', 'T_USHORT',
98 'T_INT', 'T_UINT',
99 'T_LONG', 'T_ULONG',
100 'T_PYSSIZET'
101 ]
102 if hasattr(ts, 'T_LONGLONG'):
103 integer_attributes.extend(['T_LONGLONG', 'T_ULONGLONG'])
104
105 # issue8014: this produced 'bad argument to internal function'
106 # internal error
107 for nonint in None, 3.2j, "full of eels", {}, []:
108 for attr in integer_attributes:
109 self.assertRaises(TypeError, setattr, ts, attr, nonint)
110
111 def test_inplace_string(self):
112 self.assertEqual(ts.T_STRING_INPLACE, "hi")
113 self.assertRaises(TypeError, setattr, ts, "T_STRING_INPLACE", "s")
114 self.assertRaises(TypeError, delattr, ts, "T_STRING_INPLACE")
115
116
117 class ESC[4;38;5;81mTestWarnings(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
118
119 def test_byte_max(self):
120 with warnings_helper.check_warnings(('', RuntimeWarning)):
121 ts.T_BYTE = CHAR_MAX+1
122
123 def test_byte_min(self):
124 with warnings_helper.check_warnings(('', RuntimeWarning)):
125 ts.T_BYTE = CHAR_MIN-1
126
127 def test_ubyte_max(self):
128 with warnings_helper.check_warnings(('', RuntimeWarning)):
129 ts.T_UBYTE = UCHAR_MAX+1
130
131 def test_short_max(self):
132 with warnings_helper.check_warnings(('', RuntimeWarning)):
133 ts.T_SHORT = SHRT_MAX+1
134
135 def test_short_min(self):
136 with warnings_helper.check_warnings(('', RuntimeWarning)):
137 ts.T_SHORT = SHRT_MIN-1
138
139 def test_ushort_max(self):
140 with warnings_helper.check_warnings(('', RuntimeWarning)):
141 ts.T_USHORT = USHRT_MAX+1
142
143
144 if __name__ == "__main__":
145 unittest.main()