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annotate Lib/test/test_getargs2.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents 614c84670c63
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import unittest
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2 from test import test_support
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3 from _testcapi import getargs_keywords
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4 import warnings
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5
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6 """
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7 > How about the following counterproposal. This also changes some of
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8 > the other format codes to be a little more regular.
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9 >
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10 > Code C type Range check
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11 >
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12 > b unsigned char 0..UCHAR_MAX
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13 > h signed short SHRT_MIN..SHRT_MAX
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14 > B unsigned char none **
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15 > H unsigned short none **
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16 > k * unsigned long none
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17 > I * unsigned int 0..UINT_MAX
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18
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19
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20 > i int INT_MIN..INT_MAX
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21 > l long LONG_MIN..LONG_MAX
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22
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23 > K * unsigned long long none
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24 > L long long LLONG_MIN..LLONG_MAX
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25
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26 > Notes:
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27 >
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28 > * New format codes.
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29 >
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30 > ** Changed from previous "range-and-a-half" to "none"; the
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31 > range-and-a-half checking wasn't particularly useful.
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32
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33 Plus a C API or two, e.g. PyInt_AsLongMask() ->
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34 unsigned long and PyInt_AsLongLongMask() -> unsigned
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35 long long (if that exists).
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36 """
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37
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38 LARGE = 0x7FFFFFFF
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39 VERY_LARGE = 0xFF0000121212121212121242L
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40
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41 from _testcapi import UCHAR_MAX, USHRT_MAX, UINT_MAX, ULONG_MAX, INT_MAX, \
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42 INT_MIN, LONG_MIN, LONG_MAX, PY_SSIZE_T_MIN, PY_SSIZE_T_MAX, \
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43 SHRT_MIN, SHRT_MAX
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44
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45 # fake, they are not defined in Python's header files
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46 LLONG_MAX = 2**63-1
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47 LLONG_MIN = -2**63
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48 ULLONG_MAX = 2**64-1
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49
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50 class Long:
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51 def __int__(self):
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52 return 99L
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53
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54 class Int:
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55 def __int__(self):
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56 return 99
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57
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58 class Unsigned_TestCase(unittest.TestCase):
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59 def test_b(self):
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60 from _testcapi import getargs_b
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61 # b returns 'unsigned char', and does range checking (0 ... UCHAR_MAX)
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62 self.assertRaises(TypeError, getargs_b, 3.14)
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63 self.assertEqual(99, getargs_b(Long()))
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64 self.assertEqual(99, getargs_b(Int()))
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65
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66 self.assertRaises(OverflowError, getargs_b, -1)
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67 self.assertEqual(0, getargs_b(0))
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68 self.assertEqual(UCHAR_MAX, getargs_b(UCHAR_MAX))
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69 self.assertRaises(OverflowError, getargs_b, UCHAR_MAX + 1)
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70
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71 self.assertEqual(42, getargs_b(42))
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72 self.assertEqual(42, getargs_b(42L))
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73 self.assertRaises(OverflowError, getargs_b, VERY_LARGE)
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74
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75 def test_B(self):
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76 from _testcapi import getargs_B
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77 # B returns 'unsigned char', no range checking
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78 self.assertRaises(TypeError, getargs_B, 3.14)
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79 self.assertEqual(99, getargs_B(Long()))
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80 self.assertEqual(99, getargs_B(Int()))
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81
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82 self.assertEqual(UCHAR_MAX, getargs_B(-1))
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83 self.assertEqual(UCHAR_MAX, getargs_B(-1L))
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84 self.assertEqual(0, getargs_B(0))
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85 self.assertEqual(UCHAR_MAX, getargs_B(UCHAR_MAX))
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86 self.assertEqual(0, getargs_B(UCHAR_MAX+1))
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87
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88 self.assertEqual(42, getargs_B(42))
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89 self.assertEqual(42, getargs_B(42L))
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90 self.assertEqual(UCHAR_MAX & VERY_LARGE, getargs_B(VERY_LARGE))
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91
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92 def test_H(self):
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93 from _testcapi import getargs_H
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94 # H returns 'unsigned short', no range checking
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95 self.assertRaises(TypeError, getargs_H, 3.14)
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96 self.assertEqual(99, getargs_H(Long()))
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97 self.assertEqual(99, getargs_H(Int()))
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98
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99 self.assertEqual(USHRT_MAX, getargs_H(-1))
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100 self.assertEqual(0, getargs_H(0))
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101 self.assertEqual(USHRT_MAX, getargs_H(USHRT_MAX))
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102 self.assertEqual(0, getargs_H(USHRT_MAX+1))
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103
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104 self.assertEqual(42, getargs_H(42))
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105 self.assertEqual(42, getargs_H(42L))
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106
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107 self.assertEqual(VERY_LARGE & USHRT_MAX, getargs_H(VERY_LARGE))
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108
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109 def test_I(self):
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110 from _testcapi import getargs_I
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111 # I returns 'unsigned int', no range checking
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112 self.assertRaises(TypeError, getargs_I, 3.14)
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113 self.assertEqual(99, getargs_I(Long()))
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114 self.assertEqual(99, getargs_I(Int()))
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115
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116 self.assertEqual(UINT_MAX, getargs_I(-1))
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117 self.assertEqual(0, getargs_I(0))
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118 self.assertEqual(UINT_MAX, getargs_I(UINT_MAX))
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119 self.assertEqual(0, getargs_I(UINT_MAX+1))
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120
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121 self.assertEqual(42, getargs_I(42))
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122 self.assertEqual(42, getargs_I(42L))
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123
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124 self.assertEqual(VERY_LARGE & UINT_MAX, getargs_I(VERY_LARGE))
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125
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126 def test_k(self):
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127 from _testcapi import getargs_k
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128 # k returns 'unsigned long', no range checking
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129 # it does not accept float, or instances with __int__
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130 self.assertRaises(TypeError, getargs_k, 3.14)
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131 self.assertRaises(TypeError, getargs_k, Long())
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132 self.assertRaises(TypeError, getargs_k, Int())
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133
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134 self.assertEqual(ULONG_MAX, getargs_k(-1))
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135 self.assertEqual(0, getargs_k(0))
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136 self.assertEqual(ULONG_MAX, getargs_k(ULONG_MAX))
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137 self.assertEqual(0, getargs_k(ULONG_MAX+1))
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138
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139 self.assertEqual(42, getargs_k(42))
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140 self.assertEqual(42, getargs_k(42L))
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141
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142 self.assertEqual(VERY_LARGE & ULONG_MAX, getargs_k(VERY_LARGE))
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143
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144 class Signed_TestCase(unittest.TestCase):
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145 def test_h(self):
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146 from _testcapi import getargs_h
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147 # h returns 'short', and does range checking (SHRT_MIN ... SHRT_MAX)
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148 self.assertRaises(TypeError, getargs_h, 3.14)
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149 self.assertEqual(99, getargs_h(Long()))
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150 self.assertEqual(99, getargs_h(Int()))
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151
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152 self.assertRaises(OverflowError, getargs_h, SHRT_MIN-1)
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153 self.assertEqual(SHRT_MIN, getargs_h(SHRT_MIN))
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154 self.assertEqual(SHRT_MAX, getargs_h(SHRT_MAX))
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155 self.assertRaises(OverflowError, getargs_h, SHRT_MAX+1)
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156
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157 self.assertEqual(42, getargs_h(42))
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158 self.assertEqual(42, getargs_h(42L))
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159 self.assertRaises(OverflowError, getargs_h, VERY_LARGE)
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160
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161 def test_i(self):
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162 from _testcapi import getargs_i
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163 # i returns 'int', and does range checking (INT_MIN ... INT_MAX)
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164 self.assertRaises(TypeError, getargs_i, 3.14)
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165 self.assertEqual(99, getargs_i(Long()))
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166 self.assertEqual(99, getargs_i(Int()))
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167
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168 self.assertRaises(OverflowError, getargs_i, INT_MIN-1)
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169 self.assertEqual(INT_MIN, getargs_i(INT_MIN))
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170 self.assertEqual(INT_MAX, getargs_i(INT_MAX))
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171 self.assertRaises(OverflowError, getargs_i, INT_MAX+1)
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172
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173 self.assertEqual(42, getargs_i(42))
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174 self.assertEqual(42, getargs_i(42L))
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175 self.assertRaises(OverflowError, getargs_i, VERY_LARGE)
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176
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177 def test_l(self):
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178 from _testcapi import getargs_l
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179 # l returns 'long', and does range checking (LONG_MIN ... LONG_MAX)
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180 self.assertRaises(TypeError, getargs_l, 3.14)
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181 self.assertEqual(99, getargs_l(Long()))
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182 self.assertEqual(99, getargs_l(Int()))
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183
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184 self.assertRaises(OverflowError, getargs_l, LONG_MIN-1)
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185 self.assertEqual(LONG_MIN, getargs_l(LONG_MIN))
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186 self.assertEqual(LONG_MAX, getargs_l(LONG_MAX))
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187 self.assertRaises(OverflowError, getargs_l, LONG_MAX+1)
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188
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189 self.assertEqual(42, getargs_l(42))
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190 self.assertEqual(42, getargs_l(42L))
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191 self.assertRaises(OverflowError, getargs_l, VERY_LARGE)
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192
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193 def test_n(self):
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194 from _testcapi import getargs_n
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195 # n returns 'Py_ssize_t', and does range checking
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196 # (PY_SSIZE_T_MIN ... PY_SSIZE_T_MAX)
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197 self.assertRaises(TypeError, getargs_n, 3.14)
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198 self.assertEqual(99, getargs_n(Long()))
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199 self.assertEqual(99, getargs_n(Int()))
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200
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201 self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MIN-1)
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202 self.assertEqual(PY_SSIZE_T_MIN, getargs_n(PY_SSIZE_T_MIN))
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203 self.assertEqual(PY_SSIZE_T_MAX, getargs_n(PY_SSIZE_T_MAX))
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204 self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MAX+1)
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205
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206 self.assertEqual(42, getargs_n(42))
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207 self.assertEqual(42, getargs_n(42L))
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208 self.assertRaises(OverflowError, getargs_n, VERY_LARGE)
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209
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210
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211 class LongLong_TestCase(unittest.TestCase):
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212 def test_L(self):
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213 from _testcapi import getargs_L
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214 # L returns 'long long', and does range checking (LLONG_MIN
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215 # ... LLONG_MAX)
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216 with warnings.catch_warnings():
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217 warnings.filterwarnings(
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218 "ignore",
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219 category=DeprecationWarning,
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220 message=".*integer argument expected, got float",
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221 module=__name__)
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222 self.assertEqual(3, getargs_L(3.14))
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223 with warnings.catch_warnings():
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224 warnings.filterwarnings(
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225 "error",
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226 category=DeprecationWarning,
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227 message=".*integer argument expected, got float",
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228 module="unittest")
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229 self.assertRaises(DeprecationWarning, getargs_L, 3.14)
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230
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231 self.assertRaises(TypeError, getargs_L, "Hello")
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232 self.assertEqual(99, getargs_L(Long()))
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233 self.assertEqual(99, getargs_L(Int()))
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234
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235 self.assertRaises(OverflowError, getargs_L, LLONG_MIN-1)
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236 self.assertEqual(LLONG_MIN, getargs_L(LLONG_MIN))
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237 self.assertEqual(LLONG_MAX, getargs_L(LLONG_MAX))
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238 self.assertRaises(OverflowError, getargs_L, LLONG_MAX+1)
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239
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240 self.assertEqual(42, getargs_L(42))
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241 self.assertEqual(42, getargs_L(42L))
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242 self.assertRaises(OverflowError, getargs_L, VERY_LARGE)
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243
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244 def test_K(self):
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245 from _testcapi import getargs_K
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246 # K return 'unsigned long long', no range checking
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247 self.assertRaises(TypeError, getargs_K, 3.14)
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248 self.assertRaises(TypeError, getargs_K, Long())
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249 self.assertRaises(TypeError, getargs_K, Int())
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250 self.assertEqual(ULLONG_MAX, getargs_K(ULLONG_MAX))
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251 self.assertEqual(0, getargs_K(0))
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252 self.assertEqual(0, getargs_K(ULLONG_MAX+1))
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253
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254 self.assertEqual(42, getargs_K(42))
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255 self.assertEqual(42, getargs_K(42L))
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256
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257 self.assertEqual(VERY_LARGE & ULLONG_MAX, getargs_K(VERY_LARGE))
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258
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259
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260 class Tuple_TestCase(unittest.TestCase):
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261 def test_tuple(self):
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262 from _testcapi import getargs_tuple
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263
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264 ret = getargs_tuple(1, (2, 3))
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265 self.assertEqual(ret, (1,2,3))
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266
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267 # make sure invalid tuple arguments are handled correctly
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268 class seq:
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269 def __len__(self):
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270 return 2
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271 def __getitem__(self, n):
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272 raise ValueError
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273 self.assertRaises(TypeError, getargs_tuple, 1, seq())
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274
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275 class Keywords_TestCase(unittest.TestCase):
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276 def test_positional_args(self):
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277 # using all positional args
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278 self.assertEqual(
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279 getargs_keywords((1,2), 3, (4,(5,6)), (7,8,9), 10),
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280 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
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281 )
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282 def test_mixed_args(self):
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283 # positional and keyword args
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284 self.assertEqual(
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285 getargs_keywords((1,2), 3, (4,(5,6)), arg4=(7,8,9), arg5=10),
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286 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
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287 )
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288 def test_keyword_args(self):
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289 # all keywords
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290 self.assertEqual(
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291 getargs_keywords(arg1=(1,2), arg2=3, arg3=(4,(5,6)), arg4=(7,8,9), arg5=10),
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292 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
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293 )
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294 def test_optional_args(self):
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295 # missing optional keyword args, skipping tuples
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296 self.assertEqual(
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297 getargs_keywords(arg1=(1,2), arg2=3, arg5=10),
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298 (1, 2, 3, -1, -1, -1, -1, -1, -1, 10)
f33f66a2082f Patch #1691070 from Roger Upole: Speed up PyArg_ParseTupleAndKeywords() and improve error msg
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299 )
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300 def test_required_args(self):
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301 # required arg missing
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302 try:
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303 getargs_keywords(arg1=(1,2))
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304 except TypeError, err:
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305 self.assertEqual(str(err), "Required argument 'arg2' (pos 2) not found")
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306 else:
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307 self.fail('TypeError should have been raised')
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308 def test_too_many_args(self):
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309 try:
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310 getargs_keywords((1,2),3,(4,(5,6)),(7,8,9),10,111)
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311 except TypeError, err:
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312 self.assertEqual(str(err), "function takes at most 5 arguments (6 given)")
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313 else:
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314 self.fail('TypeError should have been raised')
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315 def test_invalid_keyword(self):
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316 # extraneous keyword arg
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317 try:
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318 getargs_keywords((1,2),3,arg5=10,arg666=666)
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319 except TypeError, err:
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320 self.assertEqual(str(err), "'arg666' is an invalid keyword argument for this function")
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321 else:
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322 self.fail('TypeError should have been raised')
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323
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324 def test_main():
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325 tests = [Signed_TestCase, Unsigned_TestCase, Tuple_TestCase, Keywords_TestCase]
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parents:
diff changeset
326 try:
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327 from _testcapi import getargs_L, getargs_K
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diff changeset
328 except ImportError:
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329 pass # PY_LONG_LONG not available
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parents:
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330 else:
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diff changeset
331 tests.append(LongLong_TestCase)
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332 test_support.run_unittest(*tests)
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parents:
diff changeset
333
28a2975514cd SF # 595026: support for masks in getargs.c.
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parents:
diff changeset
334 if __name__ == "__main__":
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parents:
diff changeset
335 test_main()