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annotate Lib/test/test_getargs2.py @ 58925:eecf1bef052d 2.6

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Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents f33f66a2082f
children 6768b2350c57
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import unittest
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2 from test import test_support
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f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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3 from _testcapi import getargs_keywords
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4
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5 import warnings
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6 warnings.filterwarnings("ignore",
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7 category=DeprecationWarning,
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8 message=".*integer argument expected, got float",
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9 module=__name__)
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10 warnings.filterwarnings("ignore",
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11 category=DeprecationWarning,
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12 message=".*integer argument expected, got float",
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13 module="unittest")
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14
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15 """
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16 > How about the following counterproposal. This also changes some of
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17 > the other format codes to be a little more regular.
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18 >
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19 > Code C type Range check
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20 >
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21 > b unsigned char 0..UCHAR_MAX
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22 > h signed short SHRT_MIN..SHRT_MAX
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23 > B unsigned char none **
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24 > H unsigned short none **
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25 > k * unsigned long none
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26 > I * unsigned int 0..UINT_MAX
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27
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28
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29 > i int INT_MIN..INT_MAX
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30 > l long LONG_MIN..LONG_MAX
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31
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32 > K * unsigned long long none
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33 > L long long LLONG_MIN..LLONG_MAX
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34
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35 > Notes:
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36 >
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37 > * New format codes.
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38 >
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39 > ** Changed from previous "range-and-a-half" to "none"; the
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40 > range-and-a-half checking wasn't particularly useful.
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41
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42 Plus a C API or two, e.g. PyInt_AsLongMask() ->
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43 unsigned long and PyInt_AsLongLongMask() -> unsigned
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44 long long (if that exists).
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45 """
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46
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47 LARGE = 0x7FFFFFFF
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48 VERY_LARGE = 0xFF0000121212121212121242L
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49
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50 from _testcapi import UCHAR_MAX, USHRT_MAX, UINT_MAX, ULONG_MAX, INT_MAX, \
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51 INT_MIN, LONG_MIN, LONG_MAX, PY_SSIZE_T_MIN, PY_SSIZE_T_MAX
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52
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53 # fake, they are not defined in Python's header files
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54 LLONG_MAX = 2**63-1
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55 LLONG_MIN = -2**63
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56 ULLONG_MAX = 2**64-1
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57
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58 class Long:
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59 def __int__(self):
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60 return 99L
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61
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62 class Int:
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63 def __int__(self):
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64 return 99
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65
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66 class Unsigned_TestCase(unittest.TestCase):
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67 def test_b(self):
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68 from _testcapi import getargs_b
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69 # b returns 'unsigned char', and does range checking (0 ... UCHAR_MAX)
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70 self.failUnlessEqual(3, getargs_b(3.14))
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71 self.failUnlessEqual(99, getargs_b(Long()))
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72 self.failUnlessEqual(99, getargs_b(Int()))
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73
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74 self.assertRaises(OverflowError, getargs_b, -1)
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75 self.failUnlessEqual(0, getargs_b(0))
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76 self.failUnlessEqual(UCHAR_MAX, getargs_b(UCHAR_MAX))
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77 self.assertRaises(OverflowError, getargs_b, UCHAR_MAX + 1)
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78
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79 self.failUnlessEqual(42, getargs_b(42))
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80 self.failUnlessEqual(42, getargs_b(42L))
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81 self.assertRaises(OverflowError, getargs_b, VERY_LARGE)
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82
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83 def test_B(self):
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84 from _testcapi import getargs_B
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85 # B returns 'unsigned char', no range checking
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86 self.failUnlessEqual(3, getargs_B(3.14))
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87 self.failUnlessEqual(99, getargs_B(Long()))
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88 self.failUnlessEqual(99, getargs_B(Int()))
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89
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90 self.failUnlessEqual(UCHAR_MAX, getargs_B(-1))
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91 self.failUnlessEqual(UCHAR_MAX, getargs_B(-1L))
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92 self.failUnlessEqual(0, getargs_B(0))
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93 self.failUnlessEqual(UCHAR_MAX, getargs_B(UCHAR_MAX))
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94 self.failUnlessEqual(0, getargs_B(UCHAR_MAX+1))
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95
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96 self.failUnlessEqual(42, getargs_B(42))
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97 self.failUnlessEqual(42, getargs_B(42L))
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98 self.failUnlessEqual(UCHAR_MAX & VERY_LARGE, getargs_B(VERY_LARGE))
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99
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100 def test_H(self):
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101 from _testcapi import getargs_H
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102 # H returns 'unsigned short', no range checking
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103 self.failUnlessEqual(3, getargs_H(3.14))
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104 self.failUnlessEqual(99, getargs_H(Long()))
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105 self.failUnlessEqual(99, getargs_H(Int()))
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106
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107 self.failUnlessEqual(USHRT_MAX, getargs_H(-1))
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108 self.failUnlessEqual(0, getargs_H(0))
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109 self.failUnlessEqual(USHRT_MAX, getargs_H(USHRT_MAX))
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110 self.failUnlessEqual(0, getargs_H(USHRT_MAX+1))
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111
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112 self.failUnlessEqual(42, getargs_H(42))
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113 self.failUnlessEqual(42, getargs_H(42L))
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114
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115 self.failUnlessEqual(VERY_LARGE & USHRT_MAX, getargs_H(VERY_LARGE))
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116
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117 def test_I(self):
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118 from _testcapi import getargs_I
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119 # I returns 'unsigned int', no range checking
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120 self.failUnlessEqual(3, getargs_I(3.14))
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121 self.failUnlessEqual(99, getargs_I(Long()))
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122 self.failUnlessEqual(99, getargs_I(Int()))
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123
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124 self.failUnlessEqual(UINT_MAX, getargs_I(-1))
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125 self.failUnlessEqual(0, getargs_I(0))
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126 self.failUnlessEqual(UINT_MAX, getargs_I(UINT_MAX))
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127 self.failUnlessEqual(0, getargs_I(UINT_MAX+1))
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128
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129 self.failUnlessEqual(42, getargs_I(42))
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130 self.failUnlessEqual(42, getargs_I(42L))
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131
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132 self.failUnlessEqual(VERY_LARGE & UINT_MAX, getargs_I(VERY_LARGE))
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133
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134 def test_k(self):
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135 from _testcapi import getargs_k
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136 # k returns 'unsigned long', no range checking
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137 # it does not accept float, or instances with __int__
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138 self.assertRaises(TypeError, getargs_k, 3.14)
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139 self.assertRaises(TypeError, getargs_k, Long())
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140 self.assertRaises(TypeError, getargs_k, Int())
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141
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142 self.failUnlessEqual(ULONG_MAX, getargs_k(-1))
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143 self.failUnlessEqual(0, getargs_k(0))
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144 self.failUnlessEqual(ULONG_MAX, getargs_k(ULONG_MAX))
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145 self.failUnlessEqual(0, getargs_k(ULONG_MAX+1))
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146
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147 self.failUnlessEqual(42, getargs_k(42))
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148 self.failUnlessEqual(42, getargs_k(42L))
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149
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150 self.failUnlessEqual(VERY_LARGE & ULONG_MAX, getargs_k(VERY_LARGE))
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151
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152 class Signed_TestCase(unittest.TestCase):
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153 def test_i(self):
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154 from _testcapi import getargs_i
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155 # i returns 'int', and does range checking (INT_MIN ... INT_MAX)
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156 self.failUnlessEqual(3, getargs_i(3.14))
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157 self.failUnlessEqual(99, getargs_i(Long()))
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158 self.failUnlessEqual(99, getargs_i(Int()))
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159
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160 self.assertRaises(OverflowError, getargs_i, INT_MIN-1)
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161 self.failUnlessEqual(INT_MIN, getargs_i(INT_MIN))
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162 self.failUnlessEqual(INT_MAX, getargs_i(INT_MAX))
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163 self.assertRaises(OverflowError, getargs_i, INT_MAX+1)
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164
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165 self.failUnlessEqual(42, getargs_i(42))
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166 self.failUnlessEqual(42, getargs_i(42L))
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167 self.assertRaises(OverflowError, getargs_i, VERY_LARGE)
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168
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169 def test_l(self):
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170 from _testcapi import getargs_l
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171 # l returns 'long', and does range checking (LONG_MIN ... LONG_MAX)
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172 self.failUnlessEqual(3, getargs_l(3.14))
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173 self.failUnlessEqual(99, getargs_l(Long()))
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174 self.failUnlessEqual(99, getargs_l(Int()))
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175
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176 self.assertRaises(OverflowError, getargs_l, LONG_MIN-1)
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177 self.failUnlessEqual(LONG_MIN, getargs_l(LONG_MIN))
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178 self.failUnlessEqual(LONG_MAX, getargs_l(LONG_MAX))
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179 self.assertRaises(OverflowError, getargs_l, LONG_MAX+1)
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180
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181 self.failUnlessEqual(42, getargs_l(42))
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182 self.failUnlessEqual(42, getargs_l(42L))
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183 self.assertRaises(OverflowError, getargs_l, VERY_LARGE)
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184
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185 def test_n(self):
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186 from _testcapi import getargs_n
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187 # n returns 'Py_ssize_t', and does range checking
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188 # (PY_SSIZE_T_MIN ... PY_SSIZE_T_MAX)
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189 self.failUnlessEqual(3, getargs_n(3.14))
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190 self.failUnlessEqual(99, getargs_n(Long()))
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191 self.failUnlessEqual(99, getargs_n(Int()))
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192
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193 self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MIN-1)
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194 self.failUnlessEqual(PY_SSIZE_T_MIN, getargs_n(PY_SSIZE_T_MIN))
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195 self.failUnlessEqual(PY_SSIZE_T_MAX, getargs_n(PY_SSIZE_T_MAX))
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196 self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MAX+1)
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197
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198 self.failUnlessEqual(42, getargs_n(42))
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199 self.failUnlessEqual(42, getargs_n(42L))
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200 self.assertRaises(OverflowError, getargs_n, VERY_LARGE)
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201
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202
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203 class LongLong_TestCase(unittest.TestCase):
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204 def test_L(self):
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205 from _testcapi import getargs_L
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206 # L returns 'long long', and does range checking (LLONG_MIN ... LLONG_MAX)
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207 self.failUnlessRaises(TypeError, getargs_L, "Hello")
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208 self.failUnlessEqual(3, getargs_L(3.14))
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209 self.failUnlessEqual(99, getargs_L(Long()))
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210 self.failUnlessEqual(99, getargs_L(Int()))
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211
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212 self.assertRaises(OverflowError, getargs_L, LLONG_MIN-1)
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213 self.failUnlessEqual(LLONG_MIN, getargs_L(LLONG_MIN))
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214 self.failUnlessEqual(LLONG_MAX, getargs_L(LLONG_MAX))
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215 self.assertRaises(OverflowError, getargs_L, LLONG_MAX+1)
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216
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217 self.failUnlessEqual(42, getargs_L(42))
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218 self.failUnlessEqual(42, getargs_L(42L))
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219 self.assertRaises(OverflowError, getargs_L, VERY_LARGE)
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220
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221 def test_K(self):
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222 from _testcapi import getargs_K
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223 # K return 'unsigned long long', no range checking
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224 self.assertRaises(TypeError, getargs_K, 3.14)
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225 self.assertRaises(TypeError, getargs_K, Long())
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226 self.assertRaises(TypeError, getargs_K, Int())
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227 self.failUnlessEqual(ULLONG_MAX, getargs_K(ULLONG_MAX))
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228 self.failUnlessEqual(0, getargs_K(0))
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229 self.failUnlessEqual(0, getargs_K(ULLONG_MAX+1))
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230
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231 self.failUnlessEqual(42, getargs_K(42))
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232 self.failUnlessEqual(42, getargs_K(42L))
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233
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234 self.failUnlessEqual(VERY_LARGE & ULLONG_MAX, getargs_K(VERY_LARGE))
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235
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236
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237 class Tuple_TestCase(unittest.TestCase):
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238 def test_tuple(self):
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239 from _testcapi import getargs_tuple
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240
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241 ret = getargs_tuple(1, (2, 3))
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242 self.assertEquals(ret, (1,2,3))
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243
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244 # make sure invalid tuple arguments are handled correctly
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245 class seq:
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246 def __len__(self):
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247 return 2
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248 def __getitem__(self, n):
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249 raise ValueError
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250 self.assertRaises(TypeError, getargs_tuple, 1, seq())
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251
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252 class Keywords_TestCase(unittest.TestCase):
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253 def test_positional_args(self):
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254 # using all positional args
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255 self.assertEquals(
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256 getargs_keywords((1,2), 3, (4,(5,6)), (7,8,9), 10),
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257 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
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258 )
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259 def test_mixed_args(self):
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260 # positional and keyword args
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261 self.assertEquals(
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262 getargs_keywords((1,2), 3, (4,(5,6)), arg4=(7,8,9), arg5=10),
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diff changeset
263 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
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264 )
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265 def test_keyword_args(self):
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266 # all keywords
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267 self.assertEquals(
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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268 getargs_keywords(arg1=(1,2), arg2=3, arg3=(4,(5,6)), arg4=(7,8,9), arg5=10),
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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diff changeset
269 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
Christian Heimes <christian@cheimes.de>
parents: 45468
diff changeset
270 )
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271 def test_optional_args(self):
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272 # missing optional keyword args, skipping tuples
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273 self.assertEquals(
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274 getargs_keywords(arg1=(1,2), arg2=3, arg5=10),
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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diff changeset
275 (1, 2, 3, -1, -1, -1, -1, -1, -1, 10)
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
Christian Heimes <christian@cheimes.de>
parents: 45468
diff changeset
276 )
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277 def test_required_args(self):
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278 # required arg missing
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diff changeset
279 try:
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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280 getargs_keywords(arg1=(1,2))
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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diff changeset
281 except TypeError, err:
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282 self.assertEquals(str(err), "Required argument 'arg2' (pos 2) not found")
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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diff changeset
283 else:
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diff changeset
284 self.fail('TypeError should have been raised')
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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285 def test_too_many_args(self):
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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parents: 45468
diff changeset
286 try:
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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parents: 45468
diff changeset
287 getargs_keywords((1,2),3,(4,(5,6)),(7,8,9),10,111)
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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parents: 45468
diff changeset
288 except TypeError, err:
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289 self.assertEquals(str(err), "function takes at most 5 arguments (6 given)")
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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diff changeset
290 else:
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diff changeset
291 self.fail('TypeError should have been raised')
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292 def test_invalid_keyword(self):
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293 # extraneous keyword arg
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diff changeset
294 try:
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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diff changeset
295 getargs_keywords((1,2),3,arg5=10,arg666=666)
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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diff changeset
296 except TypeError, err:
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297 self.assertEquals(str(err), "'arg666' is an invalid keyword argument for this function")
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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diff changeset
298 else:
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parents: 45468
diff changeset
299 self.fail('TypeError should have been raised')
39189
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Georg Brandl <georg@python.org>
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diff changeset
300
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents:
diff changeset
301 def test_main():
45537
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diff changeset
302 tests = [Signed_TestCase, Unsigned_TestCase, Tuple_TestCase, Keywords_TestCase]
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents:
diff changeset
303 try:
28776
211c02fb6570 This test now uses the separate getargs_X functions from _testcapimodule.
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parents: 28774
diff changeset
304 from _testcapi import getargs_L, getargs_K
211c02fb6570 This test now uses the separate getargs_X functions from _testcapimodule.
Thomas Heller <theller@ctypes.org>
parents: 28774
diff changeset
305 except ImportError:
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents:
diff changeset
306 pass # PY_LONG_LONG not available
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents:
diff changeset
307 else:
28917
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 28776
diff changeset
308 tests.append(LongLong_TestCase)
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 28776
diff changeset
309 test_support.run_unittest(*tests)
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents:
diff changeset
310
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents:
diff changeset
311 if __name__ == "__main__":
28a2975514cd SF # 595026: support for masks in getargs.c.
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parents:
diff changeset
312 test_main()