projects / OpenSPARC-T2-SAM / blame
| Commit | Line | Data |
|---|---|---|
| 920dae64 AT |
1 | # -*- coding: iso-8859-1 -*- |
| 2 | import unittest, test.test_support | |
| 3 | import sys, cStringIO | |
| 4 | ||
| 5 | class SysModuleTest(unittest.TestCase): | |
| 6 | ||
| 7 | def test_original_displayhook(self): | |
| 8 | import __builtin__ | |
| 9 | savestdout = sys.stdout | |
| 10 | out = cStringIO.StringIO() | |
| 11 | sys.stdout = out | |
| 12 | ||
| 13 | dh = sys.__displayhook__ | |
| 14 | ||
| 15 | self.assertRaises(TypeError, dh) | |
| 16 | if hasattr(__builtin__, "_"): | |
| 17 | del __builtin__._ | |
| 18 | ||
| 19 | dh(None) | |
| 20 | self.assertEqual(out.getvalue(), "") | |
| 21 | self.assert_(not hasattr(__builtin__, "_")) | |
| 22 | dh(42) | |
| 23 | self.assertEqual(out.getvalue(), "42\n") | |
| 24 | self.assertEqual(__builtin__._, 42) | |
| 25 | ||
| 26 | del sys.stdout | |
| 27 | self.assertRaises(RuntimeError, dh, 42) | |
| 28 | ||
| 29 | sys.stdout = savestdout | |
| 30 | ||
| 31 | def test_lost_displayhook(self): | |
| 32 | olddisplayhook = sys.displayhook | |
| 33 | del sys.displayhook | |
| 34 | code = compile("42", "<string>", "single") | |
| 35 | self.assertRaises(RuntimeError, eval, code) | |
| 36 | sys.displayhook = olddisplayhook | |
| 37 | ||
| 38 | def test_custom_displayhook(self): | |
| 39 | olddisplayhook = sys.displayhook | |
| 40 | def baddisplayhook(obj): | |
| 41 | raise ValueError | |
| 42 | sys.displayhook = baddisplayhook | |
| 43 | code = compile("42", "<string>", "single") | |
| 44 | self.assertRaises(ValueError, eval, code) | |
| 45 | sys.displayhook = olddisplayhook | |
| 46 | ||
| 47 | def test_original_excepthook(self): | |
| 48 | savestderr = sys.stderr | |
| 49 | err = cStringIO.StringIO() | |
| 50 | sys.stderr = err | |
| 51 | ||
| 52 | eh = sys.__excepthook__ | |
| 53 | ||
| 54 | self.assertRaises(TypeError, eh) | |
| 55 | try: | |
| 56 | raise ValueError(42) | |
| 57 | except ValueError, exc: | |
| 58 | eh(*sys.exc_info()) | |
| 59 | ||
| 60 | sys.stderr = savestderr | |
| 61 | self.assert_(err.getvalue().endswith("ValueError: 42\n")) | |
| 62 | ||
| 63 | # FIXME: testing the code for a lost or replaced excepthook in | |
| 64 | # Python/pythonrun.c::PyErr_PrintEx() is tricky. | |
| 65 | ||
| 66 | def test_exc_clear(self): | |
| 67 | self.assertRaises(TypeError, sys.exc_clear, 42) | |
| 68 | ||
| 69 | # Verify that exc_info is present and matches exc, then clear it, and | |
| 70 | # check that it worked. | |
| 71 | def clear_check(exc): | |
| 72 | typ, value, traceback = sys.exc_info() | |
| 73 | self.assert_(typ is not None) | |
| 74 | self.assert_(value is exc) | |
| 75 | self.assert_(traceback is not None) | |
| 76 | ||
| 77 | sys.exc_clear() | |
| 78 | ||
| 79 | typ, value, traceback = sys.exc_info() | |
| 80 | self.assert_(typ is None) | |
| 81 | self.assert_(value is None) | |
| 82 | self.assert_(traceback is None) | |
| 83 | ||
| 84 | def clear(): | |
| 85 | try: | |
| 86 | raise ValueError, 42 | |
| 87 | except ValueError, exc: | |
| 88 | clear_check(exc) | |
| 89 | ||
| 90 | # Raise an exception and check that it can be cleared | |
| 91 | clear() | |
| 92 | ||
| 93 | # Verify that a frame currently handling an exception is | |
| 94 | # unaffected by calling exc_clear in a nested frame. | |
| 95 | try: | |
| 96 | raise ValueError, 13 | |
| 97 | except ValueError, exc: | |
| 98 | typ1, value1, traceback1 = sys.exc_info() | |
| 99 | clear() | |
| 100 | typ2, value2, traceback2 = sys.exc_info() | |
| 101 | ||
| 102 | self.assert_(typ1 is typ2) | |
| 103 | self.assert_(value1 is exc) | |
| 104 | self.assert_(value1 is value2) | |
| 105 | self.assert_(traceback1 is traceback2) | |
| 106 | ||
| 107 | # Check that an exception can be cleared outside of an except block | |
| 108 | clear_check(exc) | |
| 109 | ||
| 110 | def test_exit(self): | |
| 111 | self.assertRaises(TypeError, sys.exit, 42, 42) | |
| 112 | ||
| 113 | # call without argument | |
| 114 | try: | |
| 115 | sys.exit(0) | |
| 116 | except SystemExit, exc: | |
| 117 | self.assertEquals(exc.code, 0) | |
| 118 | except: | |
| 119 | self.fail("wrong exception") | |
| 120 | else: | |
| 121 | self.fail("no exception") | |
| 122 | ||
| 123 | # call with tuple argument with one entry | |
| 124 | # entry will be unpacked | |
| 125 | try: | |
| 126 | sys.exit(42) | |
| 127 | except SystemExit, exc: | |
| 128 | self.assertEquals(exc.code, 42) | |
| 129 | except: | |
| 130 | self.fail("wrong exception") | |
| 131 | else: | |
| 132 | self.fail("no exception") | |
| 133 | ||
| 134 | # call with integer argument | |
| 135 | try: | |
| 136 | sys.exit((42,)) | |
| 137 | except SystemExit, exc: | |
| 138 | self.assertEquals(exc.code, 42) | |
| 139 | except: | |
| 140 | self.fail("wrong exception") | |
| 141 | else: | |
| 142 | self.fail("no exception") | |
| 143 | ||
| 144 | # call with string argument | |
| 145 | try: | |
| 146 | sys.exit("exit") | |
| 147 | except SystemExit, exc: | |
| 148 | self.assertEquals(exc.code, "exit") | |
| 149 | except: | |
| 150 | self.fail("wrong exception") | |
| 151 | else: | |
| 152 | self.fail("no exception") | |
| 153 | ||
| 154 | # call with tuple argument with two entries | |
| 155 | try: | |
| 156 | sys.exit((17, 23)) | |
| 157 | except SystemExit, exc: | |
| 158 | self.assertEquals(exc.code, (17, 23)) | |
| 159 | except: | |
| 160 | self.fail("wrong exception") | |
| 161 | else: | |
| 162 | self.fail("no exception") | |
| 163 | ||
| 164 | def test_getdefaultencoding(self): | |
| 165 | if test.test_support.have_unicode: | |
| 166 | self.assertRaises(TypeError, sys.getdefaultencoding, 42) | |
| 167 | # can't check more than the type, as the user might have changed it | |
| 168 | self.assert_(isinstance(sys.getdefaultencoding(), str)) | |
| 169 | ||
| 170 | # testing sys.settrace() is done in test_trace.py | |
| 171 | # testing sys.setprofile() is done in test_profile.py | |
| 172 | ||
| 173 | def test_setcheckinterval(self): | |
| 174 | self.assertRaises(TypeError, sys.setcheckinterval) | |
| 175 | orig = sys.getcheckinterval() | |
| 176 | for n in 0, 100, 120, orig: # orig last to restore starting state | |
| 177 | sys.setcheckinterval(n) | |
| 178 | self.assertEquals(sys.getcheckinterval(), n) | |
| 179 | ||
| 180 | def test_recursionlimit(self): | |
| 181 | self.assertRaises(TypeError, sys.getrecursionlimit, 42) | |
| 182 | oldlimit = sys.getrecursionlimit() | |
| 183 | self.assertRaises(TypeError, sys.setrecursionlimit) | |
| 184 | self.assertRaises(ValueError, sys.setrecursionlimit, -42) | |
| 185 | sys.setrecursionlimit(10000) | |
| 186 | self.assertEqual(sys.getrecursionlimit(), 10000) | |
| 187 | sys.setrecursionlimit(oldlimit) | |
| 188 | ||
| 189 | def test_getwindowsversion(self): | |
| 190 | if hasattr(sys, "getwindowsversion"): | |
| 191 | v = sys.getwindowsversion() | |
| 192 | self.assert_(isinstance(v, tuple)) | |
| 193 | self.assertEqual(len(v), 5) | |
| 194 | self.assert_(isinstance(v[0], int)) | |
| 195 | self.assert_(isinstance(v[1], int)) | |
| 196 | self.assert_(isinstance(v[2], int)) | |
| 197 | self.assert_(isinstance(v[3], int)) | |
| 198 | self.assert_(isinstance(v[4], str)) | |
| 199 | ||
| 200 | def test_dlopenflags(self): | |
| 201 | if hasattr(sys, "setdlopenflags"): | |
| 202 | self.assert_(hasattr(sys, "getdlopenflags")) | |
| 203 | self.assertRaises(TypeError, sys.getdlopenflags, 42) | |
| 204 | oldflags = sys.getdlopenflags() | |
| 205 | self.assertRaises(TypeError, sys.setdlopenflags) | |
| 206 | sys.setdlopenflags(oldflags+1) | |
| 207 | self.assertEqual(sys.getdlopenflags(), oldflags+1) | |
| 208 | sys.setdlopenflags(oldflags) | |
| 209 | ||
| 210 | def test_refcount(self): | |
| 211 | self.assertRaises(TypeError, sys.getrefcount) | |
| 212 | c = sys.getrefcount(None) | |
| 213 | n = None | |
| 214 | self.assertEqual(sys.getrefcount(None), c+1) | |
| 215 | del n | |
| 216 | self.assertEqual(sys.getrefcount(None), c) | |
| 217 | if hasattr(sys, "gettotalrefcount"): | |
| 218 | self.assert_(isinstance(sys.gettotalrefcount(), int)) | |
| 219 | ||
| 220 | def test_getframe(self): | |
| 221 | self.assertRaises(TypeError, sys._getframe, 42, 42) | |
| 222 | self.assertRaises(ValueError, sys._getframe, 2000000000) | |
| 223 | self.assert_( | |
| 224 | SysModuleTest.test_getframe.im_func.func_code \ | |
| 225 | is sys._getframe().f_code | |
| 226 | ) | |
| 227 | ||
| 228 | def test_attributes(self): | |
| 229 | self.assert_(isinstance(sys.api_version, int)) | |
| 230 | self.assert_(isinstance(sys.argv, list)) | |
| 231 | self.assert_(sys.byteorder in ("little", "big")) | |
| 232 | self.assert_(isinstance(sys.builtin_module_names, tuple)) | |
| 233 | self.assert_(isinstance(sys.copyright, basestring)) | |
| 234 | self.assert_(isinstance(sys.exec_prefix, basestring)) | |
| 235 | self.assert_(isinstance(sys.executable, basestring)) | |
| 236 | self.assert_(isinstance(sys.hexversion, int)) | |
| 237 | self.assert_(isinstance(sys.maxint, int)) | |
| 238 | self.assert_(isinstance(sys.maxunicode, int)) | |
| 239 | self.assert_(isinstance(sys.platform, basestring)) | |
| 240 | self.assert_(isinstance(sys.prefix, basestring)) | |
| 241 | self.assert_(isinstance(sys.version, basestring)) | |
| 242 | vi = sys.version_info | |
| 243 | self.assert_(isinstance(vi, tuple)) | |
| 244 | self.assertEqual(len(vi), 5) | |
| 245 | self.assert_(isinstance(vi[0], int)) | |
| 246 | self.assert_(isinstance(vi[1], int)) | |
| 247 | self.assert_(isinstance(vi[2], int)) | |
| 248 | self.assert_(vi[3] in ("alpha", "beta", "candidate", "final")) | |
| 249 | self.assert_(isinstance(vi[4], int)) | |
| 250 | ||
| 251 | def test_main(): | |
| 252 | test.test_support.run_unittest(SysModuleTest) | |
| 253 | ||
| 254 | if __name__ == "__main__": | |
| 255 | test_main() |