annotate Lib/test/test_sys.py @ 80661:94de77bd0b4b 2.7

Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents fa95b04e67fd
children 2d330f7908e7
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1 # -*- coding: iso-8859-1 -*-
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2 import unittest, test.test_support
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3 import sys, os, cStringIO
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4 import struct
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5 import operator
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6
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7 class SysModuleTest(unittest.TestCase):
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8
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9 def tearDown(self):
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10 test.test_support.reap_children()
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11
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12 def test_original_displayhook(self):
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13 import __builtin__
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14 savestdout = sys.stdout
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15 out = cStringIO.StringIO()
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16 sys.stdout = out
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17
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18 dh = sys.__displayhook__
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19
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20 self.assertRaises(TypeError, dh)
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21 if hasattr(__builtin__, "_"):
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22 del __builtin__._
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23
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24 dh(None)
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25 self.assertEqual(out.getvalue(), "")
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26 self.assertTrue(not hasattr(__builtin__, "_"))
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27 dh(42)
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28 self.assertEqual(out.getvalue(), "42\n")
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29 self.assertEqual(__builtin__._, 42)
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30
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31 del sys.stdout
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32 self.assertRaises(RuntimeError, dh, 42)
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33
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34 sys.stdout = savestdout
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35
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36 def test_lost_displayhook(self):
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37 olddisplayhook = sys.displayhook
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38 del sys.displayhook
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39 code = compile("42", "<string>", "single")
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40 self.assertRaises(RuntimeError, eval, code)
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41 sys.displayhook = olddisplayhook
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42
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43 def test_custom_displayhook(self):
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44 olddisplayhook = sys.displayhook
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45 def baddisplayhook(obj):
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46 raise ValueError
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47 sys.displayhook = baddisplayhook
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48 code = compile("42", "<string>", "single")
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49 self.assertRaises(ValueError, eval, code)
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50 sys.displayhook = olddisplayhook
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51
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52 def test_original_excepthook(self):
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53 savestderr = sys.stderr
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54 err = cStringIO.StringIO()
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55 sys.stderr = err
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56
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57 eh = sys.__excepthook__
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58
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59 self.assertRaises(TypeError, eh)
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60 try:
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61 raise ValueError(42)
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62 except ValueError, exc:
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63 eh(*sys.exc_info())
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64
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65 sys.stderr = savestderr
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66 self.assertTrue(err.getvalue().endswith("ValueError: 42\n"))
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67
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68 # FIXME: testing the code for a lost or replaced excepthook in
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69 # Python/pythonrun.c::PyErr_PrintEx() is tricky.
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70
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71 def test_exc_clear(self):
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72 self.assertRaises(TypeError, sys.exc_clear, 42)
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73
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74 # Verify that exc_info is present and matches exc, then clear it, and
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75 # check that it worked.
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76 def clear_check(exc):
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77 typ, value, traceback = sys.exc_info()
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78 self.assertTrue(typ is not None)
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79 self.assertTrue(value is exc)
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80 self.assertTrue(traceback is not None)
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81
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82 with test.test_support.check_py3k_warnings():
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83 sys.exc_clear()
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84
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85 typ, value, traceback = sys.exc_info()
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86 self.assertTrue(typ is None)
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87 self.assertTrue(value is None)
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88 self.assertTrue(traceback is None)
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89
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90 def clear():
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91 try:
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92 raise ValueError, 42
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93 except ValueError, exc:
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94 clear_check(exc)
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95
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96 # Raise an exception and check that it can be cleared
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97 clear()
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98
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99 # Verify that a frame currently handling an exception is
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100 # unaffected by calling exc_clear in a nested frame.
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101 try:
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102 raise ValueError, 13
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103 except ValueError, exc:
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104 typ1, value1, traceback1 = sys.exc_info()
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105 clear()
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106 typ2, value2, traceback2 = sys.exc_info()
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107
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108 self.assertTrue(typ1 is typ2)
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109 self.assertTrue(value1 is exc)
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110 self.assertTrue(value1 is value2)
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111 self.assertTrue(traceback1 is traceback2)
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112
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113 # Check that an exception can be cleared outside of an except block
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114 clear_check(exc)
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115
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116 def test_exit(self):
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117 self.assertRaises(TypeError, sys.exit, 42, 42)
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118
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119 # call without argument
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120 try:
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121 sys.exit(0)
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122 except SystemExit, exc:
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123 self.assertEqual(exc.code, 0)
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124 except:
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125 self.fail("wrong exception")
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126 else:
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127 self.fail("no exception")
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128
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129 # call with tuple argument with one entry
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130 # entry will be unpacked
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131 try:
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132 sys.exit(42)
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133 except SystemExit, exc:
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134 self.assertEqual(exc.code, 42)
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135 except:
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136 self.fail("wrong exception")
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137 else:
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138 self.fail("no exception")
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139
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140 # call with integer argument
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141 try:
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142 sys.exit((42,))
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143 except SystemExit, exc:
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144 self.assertEqual(exc.code, 42)
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145 except:
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146 self.fail("wrong exception")
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147 else:
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148 self.fail("no exception")
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149
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150 # call with string argument
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151 try:
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152 sys.exit("exit")
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153 except SystemExit, exc:
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154 self.assertEqual(exc.code, "exit")
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155 except:
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156 self.fail("wrong exception")
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157 else:
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158 self.fail("no exception")
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159
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160 # call with tuple argument with two entries
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161 try:
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162 sys.exit((17, 23))
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163 except SystemExit, exc:
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164 self.assertEqual(exc.code, (17, 23))
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165 except:
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166 self.fail("wrong exception")
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167 else:
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168 self.fail("no exception")
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169
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170 # test that the exit machinery handles SystemExits properly
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171 import subprocess
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172 # both unnormalized...
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173 rc = subprocess.call([sys.executable, "-c",
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174 "raise SystemExit, 46"])
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175 self.assertEqual(rc, 46)
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176 # ... and normalized
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177 rc = subprocess.call([sys.executable, "-c",
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178 "raise SystemExit(47)"])
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179 self.assertEqual(rc, 47)
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180
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181 def check_exit_message(code, expected, env=None):
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182 process = subprocess.Popen([sys.executable, "-c", code],
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183 stderr=subprocess.PIPE, env=env)
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184 stdout, stderr = process.communicate()
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185 self.assertEqual(process.returncode, 1)
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186 self.assertTrue(stderr.startswith(expected),
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187 "%s doesn't start with %s" % (repr(stderr), repr(expected)))
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188
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189 # test that stderr buffer if flushed before the exit message is written
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190 # into stderr
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191 check_exit_message(
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192 r'import sys; sys.stderr.write("unflushed,"); sys.exit("message")',
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193 b"unflushed,message")
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194
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195 # test that the unicode message is encoded to the stderr encoding
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196 env = os.environ.copy()
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197 env['PYTHONIOENCODING'] = 'latin-1'
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198 check_exit_message(
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199 r'import sys; sys.exit(u"h\xe9")',
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200 b"h\xe9", env=env)
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201
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202 def test_getdefaultencoding(self):
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203 if test.test_support.have_unicode:
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204 self.assertRaises(TypeError, sys.getdefaultencoding, 42)
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205 # can't check more than the type, as the user might have changed it
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206 self.assertIsInstance(sys.getdefaultencoding(), str)
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207
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208 # testing sys.settrace() is done in test_sys_settrace.py
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209 # testing sys.setprofile() is done in test_sys_setprofile.py
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210
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211 def test_setcheckinterval(self):
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212 self.assertRaises(TypeError, sys.setcheckinterval)
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213 orig = sys.getcheckinterval()
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214 for n in 0, 100, 120, orig: # orig last to restore starting state
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215 sys.setcheckinterval(n)
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216 self.assertEqual(sys.getcheckinterval(), n)
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217
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218 def test_recursionlimit(self):
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219 self.assertRaises(TypeError, sys.getrecursionlimit, 42)
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220 oldlimit = sys.getrecursionlimit()
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221 self.assertRaises(TypeError, sys.setrecursionlimit)
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222 self.assertRaises(ValueError, sys.setrecursionlimit, -42)
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223 sys.setrecursionlimit(10000)
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224 self.assertEqual(sys.getrecursionlimit(), 10000)
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225 sys.setrecursionlimit(oldlimit)
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226
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227 self.assertRaises(OverflowError, sys.setrecursionlimit, 1 << 31)
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228 try:
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229 sys.setrecursionlimit((1 << 31) - 5)
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230 try:
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231 # issue13546: isinstance(e, ValueError) used to fail
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232 # when the recursion limit is close to 1<<31
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233 raise ValueError()
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234 except ValueError, e:
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235 pass
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236 finally:
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237 sys.setrecursionlimit(oldlimit)
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238
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239 def test_getwindowsversion(self):
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240 # Raise SkipTest if sys doesn't have getwindowsversion attribute
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241 test.test_support.get_attribute(sys, "getwindowsversion")
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242 v = sys.getwindowsversion()
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243 self.assertEqual(len(v), 5)
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244 self.assertIsInstance(v[0], int)
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245 self.assertIsInstance(v[1], int)
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246 self.assertIsInstance(v[2], int)
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247 self.assertIsInstance(v[3], int)
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248 self.assertIsInstance(v[4], str)
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249 self.assertRaises(IndexError, operator.getitem, v, 5)
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250 self.assertIsInstance(v.major, int)
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251 self.assertIsInstance(v.minor, int)
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252 self.assertIsInstance(v.build, int)
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253 self.assertIsInstance(v.platform, int)
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254 self.assertIsInstance(v.service_pack, str)
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255 self.assertIsInstance(v.service_pack_minor, int)
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256 self.assertIsInstance(v.service_pack_major, int)
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257 self.assertIsInstance(v.suite_mask, int)
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258 self.assertIsInstance(v.product_type, int)
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259 self.assertEqual(v[0], v.major)
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260 self.assertEqual(v[1], v.minor)
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261 self.assertEqual(v[2], v.build)
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262 self.assertEqual(v[3], v.platform)
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263 self.assertEqual(v[4], v.service_pack)
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bc2b88beae45 Issue #7766: Change sys.getwindowsversion() return value to a named tuple and add the additional members returned in an OSVERSIONINFOEX structure. The new members are service_pack_major, service_pack_minor, suite_mask, and product_type.
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264
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265 # This is how platform.py calls it. Make sure tuple
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266 # still has 5 elements
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267 maj, min, buildno, plat, csd = sys.getwindowsversion()
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268
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269 def test_dlopenflags(self):
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270 if hasattr(sys, "setdlopenflags"):
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271 self.assertTrue(hasattr(sys, "getdlopenflags"))
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272 self.assertRaises(TypeError, sys.getdlopenflags, 42)
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273 oldflags = sys.getdlopenflags()
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274 self.assertRaises(TypeError, sys.setdlopenflags)
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275 sys.setdlopenflags(oldflags+1)
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276 self.assertEqual(sys.getdlopenflags(), oldflags+1)
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277 sys.setdlopenflags(oldflags)
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278
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279 def test_refcount(self):
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280 # n here must be a global in order for this test to pass while
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281 # tracing with a python function. Tracing calls PyFrame_FastToLocals
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282 # which will add a copy of any locals to the frame object, causing
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283 # the reference count to increase by 2 instead of 1.
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284 global n
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285 self.assertRaises(TypeError, sys.getrefcount)
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286 c = sys.getrefcount(None)
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287 n = None
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288 self.assertEqual(sys.getrefcount(None), c+1)
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289 del n
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290 self.assertEqual(sys.getrefcount(None), c)
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291 if hasattr(sys, "gettotalrefcount"):
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292 self.assertIsInstance(sys.gettotalrefcount(), int)
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293
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294 def test_getframe(self):
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295 self.assertRaises(TypeError, sys._getframe, 42, 42)
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296 self.assertRaises(ValueError, sys._getframe, 2000000000)
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297 self.assertTrue(
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298 SysModuleTest.test_getframe.im_func.func_code \
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299 is sys._getframe().f_code
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300 )
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301
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302 # sys._current_frames() is a CPython-only gimmick.
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303 def test_current_frames(self):
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304 have_threads = True
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305 try:
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306 import thread
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307 except ImportError:
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308 have_threads = False
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309
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310 if have_threads:
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311 self.current_frames_with_threads()
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312 else:
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313 self.current_frames_without_threads()
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314
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315 # Test sys._current_frames() in a WITH_THREADS build.
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316 @test.test_support.reap_threads
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317 def current_frames_with_threads(self):
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318 import threading, thread
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319 import traceback
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320
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321 # Spawn a thread that blocks at a known place. Then the main
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322 # thread does sys._current_frames(), and verifies that the frames
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323 # returned make sense.
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324 entered_g = threading.Event()
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325 leave_g = threading.Event()
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326 thread_info = [] # the thread's id
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327
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328 def f123():
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329 g456()
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330
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331 def g456():
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332 thread_info.append(thread.get_ident())
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333 entered_g.set()
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334 leave_g.wait()
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335
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336 t = threading.Thread(target=f123)
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337 t.start()
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338 entered_g.wait()
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339
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340 # At this point, t has finished its entered_g.set(), although it's
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341 # impossible to guess whether it's still on that line or has moved on
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342 # to its leave_g.wait().
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343 self.assertEqual(len(thread_info), 1)
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344 thread_id = thread_info[0]
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345
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346 d = sys._current_frames()
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347
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348 main_id = thread.get_ident()
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349 self.assertIn(main_id, d)
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350 self.assertIn(thread_id, d)
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351
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352 # Verify that the captured main-thread frame is _this_ frame.
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353 frame = d.pop(main_id)
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354 self.assertTrue(frame is sys._getframe())
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355
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356 # Verify that the captured thread frame is blocked in g456, called
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357 # from f123. This is a litte tricky, since various bits of
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358 # threading.py are also in the thread's call stack.
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359 frame = d.pop(thread_id)
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360 stack = traceback.extract_stack(frame)
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361 for i, (filename, lineno, funcname, sourceline) in enumerate(stack):
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362 if funcname == "f123":
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363 break
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364 else:
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365 self.fail("didn't find f123() on thread's call stack")
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366
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367 self.assertEqual(sourceline, "g456()")
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368
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369 # And the next record must be for g456().
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370 filename, lineno, funcname, sourceline = stack[i+1]
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371 self.assertEqual(funcname, "g456")
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372 self.assertIn(sourceline, ["leave_g.wait()", "entered_g.set()"])
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373
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374 # Reap the spawned thread.
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375 leave_g.set()
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376 t.join()
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377
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378 # Test sys._current_frames() when thread support doesn't exist.
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379 def current_frames_without_threads(self):
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380 # Not much happens here: there is only one thread, with artificial
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381 # "thread id" 0.
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382 d = sys._current_frames()
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383 self.assertEqual(len(d), 1)
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384 self.assertIn(0, d)
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385 self.assertTrue(d[0] is sys._getframe())
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386
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387 def test_attributes(self):
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388 self.assertIsInstance(sys.api_version, int)
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389 self.assertIsInstance(sys.argv, list)
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390 self.assertIn(sys.byteorder, ("little", "big"))
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391 self.assertIsInstance(sys.builtin_module_names, tuple)
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392 self.assertIsInstance(sys.copyright, basestring)
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393 self.assertIsInstance(sys.exec_prefix, basestring)
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394 self.assertIsInstance(sys.executable, basestring)
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395 self.assertEqual(len(sys.float_info), 11)
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396 self.assertEqual(sys.float_info.radix, 2)
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397 self.assertEqual(len(sys.long_info), 2)
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398 self.assertTrue(sys.long_info.bits_per_digit % 5 == 0)
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399 self.assertTrue(sys.long_info.sizeof_digit >= 1)
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400 self.assertEqual(type(sys.long_info.bits_per_digit), int)
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401 self.assertEqual(type(sys.long_info.sizeof_digit), int)
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402 self.assertIsInstance(sys.hexversion, int)
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403 self.assertIsInstance(sys.maxint, int)
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404 if test.test_support.have_unicode:
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405 self.assertIsInstance(sys.maxunicode, int)
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406 self.assertIsInstance(sys.platform, basestring)
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407 self.assertIsInstance(sys.prefix, basestring)
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
408 self.assertIsInstance(sys.version, basestring)
27660
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Walter Dörwald <walter@livinglogic.de>
parents:
diff changeset
409 vi = sys.version_info
58472
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
410 self.assertIsInstance(vi[:], tuple)
27660
6a1394660270 Add a new test script that tests various features of the sys
Walter Dörwald <walter@livinglogic.de>
parents:
diff changeset
411 self.assertEqual(len(vi), 5)
58472
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
412 self.assertIsInstance(vi[0], int)
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
413 self.assertIsInstance(vi[1], int)
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
414 self.assertIsInstance(vi[2], int)
58460
17891566a478 use assert[Not]In where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58198
diff changeset
415 self.assertIn(vi[3], ("alpha", "beta", "candidate", "final"))
58472
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
416 self.assertIsInstance(vi[4], int)
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
417 self.assertIsInstance(vi.major, int)
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
418 self.assertIsInstance(vi.minor, int)
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
419 self.assertIsInstance(vi.micro, int)
58460
17891566a478 use assert[Not]In where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58198
diff changeset
420 self.assertIn(vi.releaselevel, ("alpha", "beta", "candidate", "final"))
58472
6ffcdafa0118 use assert[Not]IsInstance where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58460
diff changeset
421 self.assertIsInstance(vi.serial, int)
51365
e239e977bb32 Implement issue #4285, convert sys.version_info to a named
Eric Smith <eric@trueblade.com>
parents: 50036
diff changeset
422 self.assertEqual(vi[0], vi.major)
e239e977bb32 Implement issue #4285, convert sys.version_info to a named
Eric Smith <eric@trueblade.com>
parents: 50036
diff changeset
423 self.assertEqual(vi[1], vi.minor)
e239e977bb32 Implement issue #4285, convert sys.version_info to a named
Eric Smith <eric@trueblade.com>
parents: 50036
diff changeset
424 self.assertEqual(vi[2], vi.micro)
e239e977bb32 Implement issue #4285, convert sys.version_info to a named
Eric Smith <eric@trueblade.com>
parents: 50036
diff changeset
425 self.assertEqual(vi[3], vi.releaselevel)
e239e977bb32 Implement issue #4285, convert sys.version_info to a named
Eric Smith <eric@trueblade.com>
parents: 50036
diff changeset
426 self.assertEqual(vi[4], vi.serial)
55002
6768b2350c57 convert usage of fail* to assert*
Benjamin Peterson <benjamin@python.org>
parents: 52739
diff changeset
427 self.assertTrue(vi > (1,0,0))
56715
aacee9749d15 Issue #7117 (backport py3k float repr) continued:
Mark Dickinson <dickinsm@gmail.com>
parents: 55002
diff changeset
428 self.assertIsInstance(sys.float_repr_style, str)
58460
17891566a478 use assert[Not]In where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58198
diff changeset
429 self.assertIn(sys.float_repr_style, ('short', 'legacy'))
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Walter Dörwald <walter@livinglogic.de>
parents:
diff changeset
430
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Martin v. Löwis <martin@v.loewis.de>
parents: 35309
diff changeset
431 def test_43581(self):
3eea65bb896e Add test case for #43581.
Martin v. Löwis <martin@v.loewis.de>
parents: 35309
diff changeset
432 # Can't use sys.stdout, as this is a cStringIO object when
3eea65bb896e Add test case for #43581.
Martin v. Löwis <martin@v.loewis.de>
parents: 35309
diff changeset
433 # the test runs under regrtest.
55002
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Benjamin Peterson <benjamin@python.org>
parents: 52739
diff changeset
434 self.assertTrue(sys.__stdout__.encoding == sys.__stderr__.encoding)
37424
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Martin v. Löwis <martin@v.loewis.de>
parents: 35309
diff changeset
435
44669
9b6d348cec87 Applied patch #1816: sys.flags patch
Christian Heimes <christian@cheimes.de>
parents: 44085
diff changeset
436 def test_sys_flags(self):
55002
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Benjamin Peterson <benjamin@python.org>
parents: 52739
diff changeset
437 self.assertTrue(sys.flags)
44669
9b6d348cec87 Applied patch #1816: sys.flags patch
Christian Heimes <christian@cheimes.de>
parents: 44085
diff changeset
438 attrs = ("debug", "py3k_warning", "division_warning", "division_new",
9b6d348cec87 Applied patch #1816: sys.flags patch
Christian Heimes <christian@cheimes.de>
parents: 44085
diff changeset
439 "inspect", "interactive", "optimize", "dont_write_bytecode",
44678
5dfded9ad8a0 Typo fixes
Andrew M. Kuchling <amk@amk.ca>
parents: 44670
diff changeset
440 "no_site", "ignore_environment", "tabcheck", "verbose",
75100
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Barry Warsaw <barry@python.org>
parents: 63556
diff changeset
441 "unicode", "bytes_warning", "hash_randomization")
44669
9b6d348cec87 Applied patch #1816: sys.flags patch
Christian Heimes <christian@cheimes.de>
parents: 44085
diff changeset
442 for attr in attrs:
55002
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Benjamin Peterson <benjamin@python.org>
parents: 52739
diff changeset
443 self.assertTrue(hasattr(sys.flags, attr), attr)
44669
9b6d348cec87 Applied patch #1816: sys.flags patch
Christian Heimes <christian@cheimes.de>
parents: 44085
diff changeset
444 self.assertEqual(type(getattr(sys.flags, attr)), int, attr)
55002
6768b2350c57 convert usage of fail* to assert*
Benjamin Peterson <benjamin@python.org>
parents: 52739
diff changeset
445 self.assertTrue(repr(sys.flags))
44669
9b6d348cec87 Applied patch #1816: sys.flags patch
Christian Heimes <christian@cheimes.de>
parents: 44085
diff changeset
446
45143
8fdd6d62ea55 Patch #1953
Christian Heimes <christian@cheimes.de>
parents: 44678
diff changeset
447 def test_clear_type_cache(self):
8fdd6d62ea55 Patch #1953
Christian Heimes <christian@cheimes.de>
parents: 44678
diff changeset
448 sys._clear_type_cache()
8fdd6d62ea55 Patch #1953
Christian Heimes <christian@cheimes.de>
parents: 44678
diff changeset
449
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Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
450 def test_ioencoding(self):
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Georg Brandl <georg@python.org>
parents: 58713
diff changeset
451 import subprocess
47413
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Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
452 env = dict(os.environ)
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
453
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
454 # Test character: cent sign, encoded as 0x4A (ASCII J) in CP424,
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
455 # not representable in ASCII.
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
456
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
457 env["PYTHONIOENCODING"] = "cp424"
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
458 p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'],
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
459 stdout = subprocess.PIPE, env=env)
56873
b31fcbab0520 Fix transient refleak in test_sys.
Antoine Pitrou <solipsis@pitrou.net>
parents: 56715
diff changeset
460 out = p.communicate()[0].strip()
47413
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
461 self.assertEqual(out, unichr(0xa2).encode("cp424"))
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
462
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
463 env["PYTHONIOENCODING"] = "ascii:replace"
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
464 p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'],
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
465 stdout = subprocess.PIPE, env=env)
56873
b31fcbab0520 Fix transient refleak in test_sys.
Antoine Pitrou <solipsis@pitrou.net>
parents: 56715
diff changeset
466 out = p.communicate()[0].strip()
47413
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
467 self.assertEqual(out, '?')
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
468
58627
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 52900
diff changeset
469 def test_call_tracing(self):
75bb2f1691c0 Merged revisions 77892 via svnmerge from
Victor Stinner <victor.stinner@haypocalc.com>
parents: 52900
diff changeset
470 self.assertEqual(sys.call_tracing(str, (2,)), "2")
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 52900
diff changeset
471 self.assertRaises(TypeError, sys.call_tracing, str, 2)
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 52900
diff changeset
472
59820
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
473 def test_executable(self):
74728
c351536e804a Document absoluteness of sys.executable
Petri Lehtinen <petri@digip.org>
parents: 73880
diff changeset
474 # sys.executable should be absolute
c351536e804a Document absoluteness of sys.executable
Petri Lehtinen <petri@digip.org>
parents: 73880
diff changeset
475 self.assertEqual(os.path.abspath(sys.executable), sys.executable)
c351536e804a Document absoluteness of sys.executable
Petri Lehtinen <petri@digip.org>
parents: 73880
diff changeset
476
59820
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
477 # Issue #7774: Ensure that sys.executable is an empty string if argv[0]
12e2075dbbe0 Merged revisions 78835-78837,78870 via svnmerge from
Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
478 # has been set to an non existent program name and Python is unable to
12e2075dbbe0 Merged revisions 78835-78837,78870 via svnmerge from
Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
479 # retrieve the real program name
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
480 import subprocess
12e2075dbbe0 Merged revisions 78835-78837,78870 via svnmerge from
Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
481 # For a normal installation, it should work without 'cwd'
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
482 # argument. For test runs in the build directory, see #7774.
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
483 python_dir = os.path.dirname(os.path.realpath(sys.executable))
12e2075dbbe0 Merged revisions 78835-78837,78870 via svnmerge from
Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
484 p = subprocess.Popen(
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
485 ["nonexistent", "-c", 'import sys; print repr(sys.executable)'],
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
486 executable=sys.executable, stdout=subprocess.PIPE, cwd=python_dir)
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
487 executable = p.communicate()[0].strip()
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 58714
diff changeset
488 p.wait()
59509
e5367d67a7f8 Fix test_executable introduce in previous commit (r78835): Windows is able to
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59508
diff changeset
489 self.assertIn(executable, ["''", repr(sys.executable)])
47413
1062b7dec95b New environment variable PYTHONIOENCODING.
Martin v. Löwis <martin@v.loewis.de>
parents: 46759
diff changeset
490
47419
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
491 class SizeofTest(unittest.TestCase):
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
492
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
493 def setUp(self):
78317
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
494 self.P = struct.calcsize('P')
52233
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms.
Mark Dickinson <dickinsm@gmail.com>
parents: 51641
diff changeset
495 self.longdigit = sys.long_info.sizeof_digit
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47922
diff changeset
496 import _testcapi
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parents: 47922
diff changeset
497 self.gc_headsize = _testcapi.SIZEOF_PYGC_HEAD
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
498 self.file = open(test.test_support.TESTFN, 'wb')
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
499
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
500 def tearDown(self):
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
501 self.file.close()
47421
a65f095b27f3 Some style nits. Also clarify in the docstrings what __sizeof__ does.
Georg Brandl <georg@python.org>
parents: 47419
diff changeset
502 test.test_support.unlink(test.test_support.TESTFN)
47419
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
503
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
504 check_sizeof = test.test_support.check_sizeof
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
505
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47922
diff changeset
506 def test_gc_head_size(self):
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47922
diff changeset
507 # Check that the gc header size is added to objects tracked by the gc.
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
508 size = test.test_support.calcobjsize
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47922
diff changeset
509 gc_header_size = self.gc_headsize
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47922
diff changeset
510 # bool objects are not gc tracked
78317
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
511 self.assertEqual(sys.getsizeof(True), size('l'))
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parents: 47922
diff changeset
512 # but lists are
78317
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
513 self.assertEqual(sys.getsizeof([]), size('P PP') + gc_header_size)
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47922
diff changeset
514
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47922
diff changeset
515 def test_default(self):
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
516 size = test.test_support.calcobjsize
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
517 self.assertEqual(sys.getsizeof(True, -1), size('l'))
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47922
diff changeset
518
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
519 def test_objecttypes(self):
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
520 # check all types defined in Objects/
78317
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
521 size = test.test_support.calcobjsize
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
522 vsize = test.test_support.calcvobjsize
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
523 check = self.check_sizeof
47419
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parents: 47413
diff changeset
524 # bool
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Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
525 check(True, size('l'))
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Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
526 # buffer
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Ezio Melotti <ezio.melotti@gmail.com>
parents: 59510
diff changeset
527 with test.test_support.check_py3k_warnings():
78317
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Martin v. Löwis <martin@v.loewis.de>
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528 check(buffer(''), size('2P2Pil'))
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529 # builtin_function_or_method
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diff changeset
530 check(len, size('3P'))
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531 # bytearray
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532 samples = ['', 'u'*100000]
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533 for sample in samples:
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534 x = bytearray(sample)
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535 check(x, vsize('iPP') + x.__alloc__())
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536 # bytearray_iterator
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537 check(iter(bytearray()), size('PP'))
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538 # cell
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539 def get_cell():
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540 x = 42
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541 def inner():
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542 return x
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543 return inner
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544 check(get_cell().func_closure[0], size('P'))
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545 # classobj (old-style class)
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546 class class_oldstyle():
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547 def method():
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548 pass
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549 check(class_oldstyle, size('7P'))
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550 # instance (old-style class)
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551 check(class_oldstyle(), size('3P'))
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diff changeset
552 # instancemethod (old-style class)
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553 check(class_oldstyle().method, size('4P'))
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554 # complex
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555 check(complex(0,1), size('2d'))
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556 # code
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557 check(get_cell().func_code, size('4i8Pi3P'))
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558 # BaseException
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559 check(BaseException(), size('3P'))
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560 # UnicodeEncodeError
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diff changeset
561 check(UnicodeEncodeError("", u"", 0, 0, ""), size('5P2PP'))
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562 # UnicodeDecodeError
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Martin v. Löwis <martin@v.loewis.de>
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563 check(UnicodeDecodeError("", "", 0, 0, ""), size('5P2PP'))
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parents: 47900
diff changeset
564 # UnicodeTranslateError
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diff changeset
565 check(UnicodeTranslateError(u"", 0, 1, ""), size('5P2PP'))
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diff changeset
566 # method_descriptor (descriptor object)
78317
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diff changeset
567 check(str.lower, size('2PP'))
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568 # classmethod_descriptor (descriptor object)
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Robert Schuppenies <okkotonushi@googlemail.com>
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diff changeset
569 # XXX
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Robert Schuppenies <okkotonushi@googlemail.com>
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570 # member_descriptor (descriptor object)
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
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571 import datetime
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572 check(datetime.timedelta.days, size('2PP'))
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573 # getset_descriptor (descriptor object)
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
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diff changeset
574 import __builtin__
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575 check(__builtin__.file.closed, size('2PP'))
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576 # wrapper_descriptor (descriptor object)
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577 check(int.__add__, size('2P2P'))
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diff changeset
578 # dictproxy
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diff changeset
579 class C(object): pass
78317
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Martin v. Löwis <martin@v.loewis.de>
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580 check(C.__dict__, size('P'))
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diff changeset
581 # method-wrapper (descriptor object)
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582 check({}.__iter__, size('2P'))
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parents: 47900
diff changeset
583 # dict
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584 check({}, size('3P2P' + 8*'P2P'))
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585 x = {1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8}
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586 check(x, size('3P2P' + 8*'P2P') + 16*struct.calcsize('P2P'))
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diff changeset
587 # dictionary-keyiterator
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588 check({}.iterkeys(), size('P2PPP'))
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589 # dictionary-valueiterator
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590 check({}.itervalues(), size('P2PPP'))
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diff changeset
591 # dictionary-itemiterator
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592 check({}.iteritems(), size('P2PPP'))
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parents: 47900
diff changeset
593 # ellipses
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594 check(Ellipsis, size(''))
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diff changeset
595 # EncodingMap
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diff changeset
596 import codecs, encodings.iso8859_3
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diff changeset
597 x = codecs.charmap_build(encodings.iso8859_3.decoding_table)
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598 check(x, size('32B2iB'))
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diff changeset
599 # enumerate
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600 check(enumerate([]), size('l3P'))
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diff changeset
601 # file
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diff changeset
602 check(self.file, size('4P2i4P3i3P3i'))
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diff changeset
603 # float
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604 check(float(0), size('d'))
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diff changeset
605 # sys.floatinfo
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diff changeset
606 check(sys.float_info, vsize('') + self.P * len(sys.float_info))
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607 # frame
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Robert Schuppenies <okkotonushi@googlemail.com>
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608 import inspect
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Robert Schuppenies <okkotonushi@googlemail.com>
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609 CO_MAXBLOCKS = 20
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610 x = inspect.currentframe()
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611 ncells = len(x.f_code.co_cellvars)
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612 nfrees = len(x.f_code.co_freevars)
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613 extras = x.f_code.co_stacksize + x.f_code.co_nlocals +\
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614 ncells + nfrees - 1
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615 check(x, vsize('12P3i' + CO_MAXBLOCKS*'3i' + 'P' + extras*'P'))
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616 # function
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617 def func(): pass
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618 check(func, size('9P'))
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619 class c():
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620 @staticmethod
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621 def foo():
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622 pass
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623 @classmethod
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624 def bar(cls):
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625 pass
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626 # staticmethod
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627 check(foo, size('P'))
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628 # classmethod
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629 check(bar, size('P'))
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630 # generator
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631 def get_gen(): yield 1
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632 check(get_gen(), size('Pi2P'))
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633 # integer
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634 check(1, size('l'))
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635 check(100, size('l'))
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diff changeset
636 # iterator
78317
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637 check(iter('abc'), size('lP'))
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diff changeset
638 # callable-iterator
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diff changeset
639 import re
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640 check(re.finditer('',''), size('2P'))
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diff changeset
641 # list
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diff changeset
642 samples = [[], [1,2,3], ['1', '2', '3']]
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
643 for sample in samples:
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
644 check(sample, vsize('PP') + len(sample)*self.P)
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
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parents: 47900
diff changeset
645 # sortwrapper (list)
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
646 # XXX
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
647 # cmpwrapper (list)
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
648 # XXX
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
649 # listiterator (list)
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
650 check(iter([]), size('lP'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
651 # listreverseiterator (list)
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
652 check(reversed([]), size('lP'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
653 # long
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
654 check(0L, vsize(''))
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
655 check(1L, vsize('') + self.longdigit)
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
656 check(-1L, vsize('') + self.longdigit)
52233
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms.
Mark Dickinson <dickinsm@gmail.com>
parents: 51641
diff changeset
657 PyLong_BASE = 2**sys.long_info.bits_per_digit
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
658 check(long(PyLong_BASE), vsize('') + 2*self.longdigit)
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
659 check(long(PyLong_BASE**2-1), vsize('') + 2*self.longdigit)
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
660 check(long(PyLong_BASE**2), vsize('') + 3*self.longdigit)
47419
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
661 # module
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
662 check(unittest, size('P'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
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parents: 47900
diff changeset
663 # None
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
664 check(None, size(''))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
665 # object
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
666 check(object(), size(''))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
667 # property (descriptor object)
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
668 class C(object):
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
669 def getx(self): return self.__x
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
670 def setx(self, value): self.__x = value
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
671 def delx(self): del self.__x
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
672 x = property(getx, setx, delx, "")
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
673 check(x, size('4Pi'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
674 # PyCObject
59998
d11fbc796499 Backported PyCapsule from 3.1, and converted most uses of
Larry Hastings <larry@hastings.org>
parents: 59694
diff changeset
675 # PyCapsule
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
676 # XXX
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
677 # rangeiterator
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
678 check(iter(xrange(1)), size('4l'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
679 # reverse
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
680 check(reversed(''), size('PP'))
47922
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
681 # set
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
682 # frozenset
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
683 PySet_MINSIZE = 8
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
684 samples = [[], range(10), range(50)]
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
685 s = size('3P2P' + PySet_MINSIZE*'lP' + 'lP')
47922
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
686 for sample in samples:
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
687 minused = len(sample)
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
688 if minused == 0: tmp = 1
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
689 # the computation of minused is actually a bit more complicated
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
690 # but this suffices for the sizeof test
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
691 minused = minused*2
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
692 newsize = PySet_MINSIZE
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
693 while newsize <= minused:
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
694 newsize = newsize << 1
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
695 if newsize <= 8:
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
696 check(set(sample), s)
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
697 check(frozenset(sample), s)
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
698 else:
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
699 check(set(sample), s + newsize*struct.calcsize('lP'))
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
700 check(frozenset(sample), s + newsize*struct.calcsize('lP'))
7cfc28ac0715 Added additional __sizeof__ implementations and addressed comments made in
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47918
diff changeset
701 # setiterator
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
702 check(iter(set()), size('P3P'))
47419
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
703 # slice
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
704 check(slice(1), size('3P'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
705 # str
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
706 vh = test.test_support._vheader
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
707 check('', struct.calcsize(vh + 'lic'))
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
708 check('abc', struct.calcsize(vh + 'lic') + 3)
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
709 # super
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
710 check(super(int), size('3P'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
711 # tuple
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
712 check((), vsize(''))
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
713 check((1,2,3), vsize('') + 3*self.P)
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
714 # tupleiterator
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
715 check(iter(()), size('lP'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
716 # type
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
717 # (PyTypeObject + PyNumberMethods + PyMappingMethods +
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
718 # PySequenceMethods + PyBufferProcs)
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
719 s = vsize('P2P15Pl4PP9PP11PI') + struct.calcsize('41P 10P 3P 6P')
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
720 class newstyleclass(object):
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
721 pass
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
722 check(newstyleclass, s)
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
723 # builtin type
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
724 check(int, s)
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
725 # NotImplementedType
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
726 import types
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
727 check(types.NotImplementedType, s)
47543
296ab1038b7f Issue 3048: Fixed sys.getsizeof for unicode objects.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47423
diff changeset
728 # unicode
47743
b8c9a3543381 Issue 3048: Fixed sys.sizeof test fails with wide unicode.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47682
diff changeset
729 usize = len(u'\0'.encode('unicode-internal'))
47543
296ab1038b7f Issue 3048: Fixed sys.getsizeof for unicode objects.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47423
diff changeset
730 samples = [u'', u'1'*100]
296ab1038b7f Issue 3048: Fixed sys.getsizeof for unicode objects.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47423
diff changeset
731 # we need to test for both sizes, because we don't know if the string
296ab1038b7f Issue 3048: Fixed sys.getsizeof for unicode objects.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47423
diff changeset
732 # has been cached
296ab1038b7f Issue 3048: Fixed sys.getsizeof for unicode objects.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47423
diff changeset
733 for s in samples:
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
734 check(s, size('PPlP') + usize * (len(s) + 1))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
735 # weakref
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
736 import weakref
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
737 check(weakref.ref(int), size('2Pl2P'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
738 # weakproxy
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
739 # XXX
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
740 # weakcallableproxy
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
741 check(weakref.proxy(int), size('2Pl2P'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
742 # xrange
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
743 check(xrange(1), size('3l'))
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
744 check(xrange(66000), size('3l'))
47419
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
745
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
746 def test_pythontypes(self):
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
747 # check all types defined in Python/
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
748 size = test.test_support.calcobjsize
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
749 vsize = test.test_support.calcvobjsize
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
750 check = self.check_sizeof
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
751 # _ast.AST
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
752 import _ast
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
753 check(_ast.AST(), size(''))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
754 # imp.NullImporter
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
755 import imp
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
756 check(imp.NullImporter(self.file.name), size(''))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
757 try:
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
758 raise TypeError
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
759 except TypeError:
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
760 tb = sys.exc_info()[2]
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
761 # traceback
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
762 if tb != None:
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
763 check(tb, size('2P2i'))
47918
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
764 # symtable entry
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
765 # XXX
68c7964d2534 Fixed Issue3122 and extended sys.getsizeof tests for built-in types.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47900
diff changeset
766 # sys.flags
78317
fa95b04e67fd Issue #15467: Move helpers for __sizeof__ tests into test_support.
Martin v. Löwis <martin@v.loewis.de>
parents: 75102
diff changeset
767 check(sys.flags, vsize('') + self.P * len(sys.flags))
47419
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
768
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
769
27660
6a1394660270 Add a new test script that tests various features of the sys
Walter Dörwald <walter@livinglogic.de>
parents:
diff changeset
770 def test_main():
47419
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
771 test_classes = (SysModuleTest, SizeofTest)
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
772
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47413
diff changeset
773 test.test_support.run_unittest(*test_classes)
27660
6a1394660270 Add a new test script that tests various features of the sys
Walter Dörwald <walter@livinglogic.de>
parents:
diff changeset
774
6a1394660270 Add a new test script that tests various features of the sys
Walter Dörwald <walter@livinglogic.de>
parents:
diff changeset
775 if __name__ == "__main__":
6a1394660270 Add a new test script that tests various features of the sys
Walter Dörwald <walter@livinglogic.de>
parents:
diff changeset
776 test_main()