Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_structmembers.py @ 78069:a8aa77458e12 3.2

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Add c_size_t and c_ssize_t to the ctypes summary table.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 12 Jul 2012 20:31:50 +0200
parents 3c9232a684ae
children
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rev   line source
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1 from _testcapi import _test_structmembersType, \
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2 CHAR_MAX, CHAR_MIN, UCHAR_MAX, \
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3 SHRT_MAX, SHRT_MIN, USHRT_MAX, \
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4 INT_MAX, INT_MIN, UINT_MAX, \
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5 LONG_MAX, LONG_MIN, ULONG_MAX, \
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6 LLONG_MAX, LLONG_MIN, ULLONG_MAX, \
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7 PY_SSIZE_T_MAX, PY_SSIZE_T_MIN
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8
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9 import unittest
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10 from test import support
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11
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12 ts=_test_structmembersType(False, # T_BOOL
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13 1, # T_BYTE
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14 2, # T_UBYTE
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15 3, # T_SHORT
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16 4, # T_USHORT
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17 5, # T_INT
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18 6, # T_UINT
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19 7, # T_LONG
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20 8, # T_ULONG
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21 23, # T_PYSSIZET
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22 9.99999,# T_FLOAT
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23 10.1010101010, # T_DOUBLE
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24 "hi" # T_STRING_INPLACE
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25 )
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26
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27 class ReadWriteTests(unittest.TestCase):
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28
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29 def test_bool(self):
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30 ts.T_BOOL = True
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31 self.assertEqual(ts.T_BOOL, True)
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32 ts.T_BOOL = False
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33 self.assertEqual(ts.T_BOOL, False)
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34 self.assertRaises(TypeError, setattr, ts, 'T_BOOL', 1)
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35
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36 def test_byte(self):
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37 ts.T_BYTE = CHAR_MAX
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38 self.assertEqual(ts.T_BYTE, CHAR_MAX)
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39 ts.T_BYTE = CHAR_MIN
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40 self.assertEqual(ts.T_BYTE, CHAR_MIN)
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41 ts.T_UBYTE = UCHAR_MAX
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42 self.assertEqual(ts.T_UBYTE, UCHAR_MAX)
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43
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44 def test_short(self):
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45 ts.T_SHORT = SHRT_MAX
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46 self.assertEqual(ts.T_SHORT, SHRT_MAX)
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47 ts.T_SHORT = SHRT_MIN
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48 self.assertEqual(ts.T_SHORT, SHRT_MIN)
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49 ts.T_USHORT = USHRT_MAX
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50 self.assertEqual(ts.T_USHORT, USHRT_MAX)
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51
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52 def test_int(self):
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53 ts.T_INT = INT_MAX
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54 self.assertEqual(ts.T_INT, INT_MAX)
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55 ts.T_INT = INT_MIN
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56 self.assertEqual(ts.T_INT, INT_MIN)
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57 ts.T_UINT = UINT_MAX
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58 self.assertEqual(ts.T_UINT, UINT_MAX)
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59
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60 def test_long(self):
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61 ts.T_LONG = LONG_MAX
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62 self.assertEqual(ts.T_LONG, LONG_MAX)
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63 ts.T_LONG = LONG_MIN
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64 self.assertEqual(ts.T_LONG, LONG_MIN)
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65 ts.T_ULONG = ULONG_MAX
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66 self.assertEqual(ts.T_ULONG, ULONG_MAX)
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67
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68 def test_py_ssize_t(self):
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69 ts.T_PYSSIZET = PY_SSIZE_T_MAX
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70 self.assertEqual(ts.T_PYSSIZET, PY_SSIZE_T_MAX)
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71 ts.T_PYSSIZET = PY_SSIZE_T_MIN
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72 self.assertEqual(ts.T_PYSSIZET, PY_SSIZE_T_MIN)
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73
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74 @unittest.skipUnless(hasattr(ts, "T_LONGLONG"), "long long not present")
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75 def test_longlong(self):
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76 ts.T_LONGLONG = LLONG_MAX
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77 self.assertEqual(ts.T_LONGLONG, LLONG_MAX)
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78 ts.T_LONGLONG = LLONG_MIN
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79 self.assertEqual(ts.T_LONGLONG, LLONG_MIN)
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80
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81 ts.T_ULONGLONG = ULLONG_MAX
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82 self.assertEqual(ts.T_ULONGLONG, ULLONG_MAX)
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83
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84 ## make sure these will accept a plain int as well as a long
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85 ts.T_LONGLONG = 3
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86 self.assertEqual(ts.T_LONGLONG, 3)
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87 ts.T_ULONGLONG = 4
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88 self.assertEqual(ts.T_ULONGLONG, 4)
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89
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90 def test_bad_assignments(self):
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91 integer_attributes = [
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92 'T_BOOL',
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93 'T_BYTE', 'T_UBYTE',
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94 'T_SHORT', 'T_USHORT',
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95 'T_INT', 'T_UINT',
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96 'T_LONG', 'T_ULONG',
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97 'T_PYSSIZET'
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98 ]
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99 if hasattr(ts, 'T_LONGLONG'):
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100 integer_attributes.extend(['T_LONGLONG', 'T_ULONGLONG'])
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101
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102 # issue8014: this produced 'bad argument to internal function'
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103 # internal error
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104 for nonint in None, 3.2j, "full of eels", {}, []:
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105 for attr in integer_attributes:
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106 self.assertRaises(TypeError, setattr, ts, attr, nonint)
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107
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108 def test_inplace_string(self):
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109 self.assertEqual(ts.T_STRING_INPLACE, "hi")
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110 self.assertRaises(TypeError, setattr, ts, "T_STRING_INPLACE", "s")
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111 self.assertRaises(TypeError, delattr, ts, "T_STRING_INPLACE")
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112
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113
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114 class TestWarnings(unittest.TestCase):
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115
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116 def test_byte_max(self):
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117 with support.check_warnings(('', RuntimeWarning)):
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118 ts.T_BYTE = CHAR_MAX+1
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119
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120 def test_byte_min(self):
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121 with support.check_warnings(('', RuntimeWarning)):
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122 ts.T_BYTE = CHAR_MIN-1
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123
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124 def test_ubyte_max(self):
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125 with support.check_warnings(('', RuntimeWarning)):
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126 ts.T_UBYTE = UCHAR_MAX+1
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127
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128 def test_short_max(self):
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129 with support.check_warnings(('', RuntimeWarning)):
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130 ts.T_SHORT = SHRT_MAX+1
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132 def test_short_min(self):
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133 with support.check_warnings(('', RuntimeWarning)):
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134 ts.T_SHORT = SHRT_MIN-1
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136 def test_ushort_max(self):
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137 with support.check_warnings(('', RuntimeWarning)):
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138 ts.T_USHORT = USHRT_MAX+1
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141 def test_main(verbose=None):
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142 support.run_unittest(__name__)
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143
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144 if __name__ == "__main__":
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145 test_main(verbose=True)