14710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm# Verify that gdb can pretty-print the various PyObject* types 24710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm# 34710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm# The code for testing gdb was adapted from similar work in Unladen Swallow's 44710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm# Lib/test/test_jit_gdb.py 54710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 64710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmimport os 74710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmimport re 84710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmimport subprocess 94710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmimport sys 104710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmimport unittest 114710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmimport sysconfig 124710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 134710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfrom test.test_support import run_unittest, findfile 144710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 154710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmtry: 164710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_version, _ = subprocess.Popen(["gdb", "--version"], 174710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm stdout=subprocess.PIPE).communicate() 184710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmexcept OSError: 194710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # This is what "no gdb" looks like. There may, however, be other 204710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # errors that manifest this way too. 214710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm raise unittest.SkipTest("Couldn't find gdb on the path") 224710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmgdb_version_number = re.search(r"^GNU gdb [^\d]*(\d+)\.", gdb_version) 234710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmif int(gdb_version_number.group(1)) < 7: 244710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm raise unittest.SkipTest("gdb versions before 7.0 didn't support python embedding" 254710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm " Saw:\n" + gdb_version) 264710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 274710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm# Verify that "gdb" was built with the embedded python support enabled: 284710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmcmd = "--eval-command=python import sys; print sys.version_info" 294710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmp = subprocess.Popen(["gdb", "--batch", cmd], 304710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm stdout=subprocess.PIPE) 314710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmgdbpy_version, _ = p.communicate() 324710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmif gdbpy_version == '': 334710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm raise unittest.SkipTest("gdb not built with embedded python support") 344710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 354710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmdef gdb_has_frame_select(): 364710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Does this build of gdb have gdb.Frame.select ? 374710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmd = "--eval-command=python print(dir(gdb.Frame))" 384710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm p = subprocess.Popen(["gdb", "--batch", cmd], 394710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm stdout=subprocess.PIPE) 404710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm stdout, _ = p.communicate() 414710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match(r'.*\[(.*)\].*', stdout) 424710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if not m: 434710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm raise unittest.SkipTest("Unable to parse output from gdb.Frame.select test") 444710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_frame_dir = m.group(1).split(', ') 454710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm return "'select'" in gdb_frame_dir 464710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 474710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmHAS_PYUP_PYDOWN = gdb_has_frame_select() 484710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 494710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass DebuggerTests(unittest.TestCase): 504710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 514710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm """Test that the debugger can debug Python.""" 524710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 534710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def run_gdb(self, *args): 544710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm """Runs gdb with the command line given by *args. 554710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 564710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm Returns its stdout, stderr 574710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm """ 584710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm out, err = subprocess.Popen( 594710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, 604710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ).communicate() 614710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm return out, err 624710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 634710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def get_stack_trace(self, source=None, script=None, 644710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm breakpoint='PyObject_Print', 654710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=None, 664710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm import_site=False): 674710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ''' 684710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm Run 'python -c SOURCE' under gdb with a breakpoint. 694710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 704710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm Support injecting commands after the breakpoint is reached 714710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 724710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm Returns the stdout from gdb 734710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 744710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint: if provided, a list of strings: gdb commands 754710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ''' 764710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # We use "set breakpoint pending yes" to avoid blocking with a: 774710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Function "foo" not defined. 784710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Make breakpoint pending on future shared library load? (y or [n]) 794710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # error, which typically happens python is dynamically linked (the 804710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # breakpoints of interest are to be found in the shared library) 814710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # When this happens, we still get: 824710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Function "PyObject_Print" not defined. 834710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # emitted to stderr each time, alas. 844710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 854710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Initially I had "--eval-command=continue" here, but removed it to 864710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # avoid repeated print breakpoints when traversing hierarchical data 874710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # structures 884710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 894710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Generate a list of commands in gdb's language: 904710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm commands = ['set breakpoint pending yes', 914710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'break %s' % breakpoint, 924710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'run'] 934710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if cmds_after_breakpoint: 944710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm commands += cmds_after_breakpoint 954710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm else: 964710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm commands += ['backtrace'] 974710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 984710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # print commands 994710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1004710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Use "commands" to generate the arguments with which to invoke "gdb": 1014710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm args = ["gdb", "--batch"] 1024710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm args += ['--eval-command=%s' % cmd for cmd in commands] 1034710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm args += ["--args", 1044710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm sys.executable] 1054710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1064710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if not import_site: 1074710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # -S suppresses the default 'import site' 1084710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm args += ["-S"] 1094710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1104710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if source: 1114710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm args += ["-c", source] 1124710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm elif script: 1134710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm args += [script] 1144710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1154710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # print args 1164710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # print ' '.join(args) 1174710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1184710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Use "args" to invoke gdb, capturing stdout, stderr: 1194710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm out, err = self.run_gdb(*args) 1204710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1214710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Ignore some noise on stderr due to the pending breakpoint: 1224710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm err = err.replace('Function "%s" not defined.\n' % breakpoint, '') 1234710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Ignore some other noise on stderr (http://bugs.python.org/issue8600) 1244710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm err = err.replace("warning: Unable to find libthread_db matching" 1254710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm " inferior's thread library, thread debugging will" 1264710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm " not be available.\n", 1274710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm '') 1284710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm err = err.replace("warning: Cannot initialize thread debugging" 1294710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm " library: Debugger service failed\n", 1304710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm '') 1314710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1324710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Ensure no unexpected error messages: 1334710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(err, '') 1344710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1354710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm return out 1364710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1374710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def get_gdb_repr(self, source, 1384710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=None, 1394710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm import_site=False): 1404710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Given an input python source representation of data, 1414710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # run "python -c'print DATA'" under gdb with a breakpoint on 1424710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # PyObject_Print and scrape out gdb's representation of the "op" 1434710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # parameter, and verify that the gdb displays the same string 1444710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # 1454710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # For a nested structure, the first time we hit the breakpoint will 1464710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # give us the top-level structure 1474710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_output = self.get_stack_trace(source, breakpoint='PyObject_Print', 1484710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=cmds_after_breakpoint, 1494710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm import_site=import_site) 1504710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # gdb can insert additional '\n' and space characters in various places 1514710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # in its output, depending on the width of the terminal it's connected 1524710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # to (using its "wrap_here" function) 1534710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match('.*#0\s+PyObject_Print\s+\(\s*op\=\s*(.*?),\s+fp=.*\).*', 1544710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_output, re.DOTALL) 1554710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if not m: 1564710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.fail('Unexpected gdb output: %r\n%s' % (gdb_output, gdb_output)) 1574710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm return m.group(1), gdb_output 1584710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1594710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def assertEndsWith(self, actual, exp_end): 1604710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm '''Ensure that the given "actual" string ends with "exp_end"''' 1614710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(actual.endswith(exp_end), 1624710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm msg='%r did not end with %r' % (actual, exp_end)) 1634710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1644710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def assertMultilineMatches(self, actual, pattern): 1654710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match(pattern, actual, re.DOTALL) 1664710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(m, msg='%r did not match %r' % (actual, pattern)) 1674710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1684710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def get_sample_script(self): 1694710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm return findfile('gdb_sample.py') 1704710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1714710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass PrettyPrintTests(DebuggerTests): 1724710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_getting_backtrace(self): 1734710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_output = self.get_stack_trace('print 42') 1744710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue('PyObject_Print' in gdb_output) 1754710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1764710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def assertGdbRepr(self, val, cmds_after_breakpoint=None): 1774710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Ensure that gdb's rendering of the value in a debugged process 1784710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # matches repr(value) in this process: 1794710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr('print ' + repr(val), 1804710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint) 1814710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, repr(val), gdb_output) 1824710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1834710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_int(self): 1844710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of various "int" values' 1854710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(42) 1864710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(0) 1874710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(-7) 1884710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(sys.maxint) 1894710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(-sys.maxint) 1904710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1914710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_long(self): 1924710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of various "long" values' 1934710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(0L) 1944710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(1000000000000L) 1954710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(-1L) 1964710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(-1000000000000000L) 1974710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1984710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_singletons(self): 1994710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of True, False and None' 2004710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(True) 2014710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(False) 2024710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(None) 2034710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2044710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_dicts(self): 2054710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of dictionaries' 2064710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr({}) 2074710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr({'foo': 'bar'}) 2084710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr({'foo': 'bar', 'douglas':42}) 2094710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2104710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_lists(self): 2114710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of lists' 2124710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr([]) 2134710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(range(5)) 2144710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2154710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_strings(self): 2164710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of strings' 2174710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr('') 2184710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr('And now for something hopefully the same') 2194710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr('string with embedded NUL here \0 and then some more text') 2204710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr('this is byte 255:\xff and byte 128:\x80') 2214710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2224710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_tuples(self): 2234710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of tuples' 2244710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(tuple()) 2254710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr((1,)) 2264710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(('foo', 'bar', 'baz')) 2274710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2284710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_unicode(self): 2294710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of unicode values' 2304710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Test the empty unicode string: 2314710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(u'') 2324710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2334710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(u'hello world') 2344710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2354710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Test printing a single character: 2364710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # U+2620 SKULL AND CROSSBONES 2374710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(u'\u2620') 2384710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2394710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Test printing a Japanese unicode string 2404710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # (I believe this reads "mojibake", using 3 characters from the CJK 2414710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Unified Ideographs area, followed by U+3051 HIRAGANA LETTER KE) 2424710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(u'\u6587\u5b57\u5316\u3051') 2434710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2444710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Test a character outside the BMP: 2454710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # U+1D121 MUSICAL SYMBOL C CLEF 2464710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # This is: 2474710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # UTF-8: 0xF0 0x9D 0x84 0xA1 2484710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # UTF-16: 0xD834 0xDD21 2494710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # This will only work on wide-unicode builds: 2504710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(u"\U0001D121") 2514710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2524710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_sets(self): 2534710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of sets' 2544710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(set()) 2554710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(set(['a', 'b'])) 2564710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(set([4, 5, 6])) 2574710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2584710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Ensure that we handled sets containing the "dummy" key value, 2594710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # which happens on deletion: 2604710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr('''s = set(['a','b']) 2614710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylms.pop() 2624710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint s''') 2634710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, "set(['b'])") 2644710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2654710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_frozensets(self): 2664710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of frozensets' 2674710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(frozenset()) 2684710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(frozenset(['a', 'b'])) 2694710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertGdbRepr(frozenset([4, 5, 6])) 2704710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2714710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_exceptions(self): 2724710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Test a RuntimeError 2734710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr(''' 2744710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmtry: 2754710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm raise RuntimeError("I am an error") 2764710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmexcept RuntimeError, e: 2774710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm print e 2784710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm''') 2794710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, 2804710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "exceptions.RuntimeError('I am an error',)") 2814710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2824710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2834710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Test division by zero: 2844710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr(''' 2854710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmtry: 2864710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm a = 1 / 0 2874710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmexcept ZeroDivisionError, e: 2884710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm print e 2894710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm''') 2904710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, 2914710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "exceptions.ZeroDivisionError('integer division or modulo by zero',)") 2924710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 2934710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_classic_class(self): 2944710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of classic class instances' 2954710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr(''' 2964710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass Foo: 2974710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 2984710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo = Foo() 2994710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo.an_int = 42 3004710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint foo''') 3014710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match(r'<Foo\(an_int=42\) at remote 0x[0-9a-f]+>', gdb_repr) 3024710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(m, 3034710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm msg='Unexpected classic-class rendering %r' % gdb_repr) 3044710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3054710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_modern_class(self): 3064710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of new-style class instances' 3074710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr(''' 3084710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass Foo(object): 3094710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 3104710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo = Foo() 3114710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo.an_int = 42 3124710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint foo''') 3134710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match(r'<Foo\(an_int=42\) at remote 0x[0-9a-f]+>', gdb_repr) 3144710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(m, 3154710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm msg='Unexpected new-style class rendering %r' % gdb_repr) 3164710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3174710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_subclassing_list(self): 3184710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of an instance of a list subclass' 3194710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr(''' 3204710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass Foo(list): 3214710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 3224710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo = Foo() 3234710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo += [1, 2, 3] 3244710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo.an_int = 42 3254710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint foo''') 3264710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match(r'<Foo\(an_int=42\) at remote 0x[0-9a-f]+>', gdb_repr) 3274710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(m, 3284710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm msg='Unexpected new-style class rendering %r' % gdb_repr) 3294710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3304710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_subclassing_tuple(self): 3314710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the pretty-printing of an instance of a tuple subclass' 3324710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # This should exercise the negative tp_dictoffset code in the 3334710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # new-style class support 3344710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr(''' 3354710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass Foo(tuple): 3364710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 3374710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo = Foo((1, 2, 3)) 3384710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo.an_int = 42 3394710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint foo''') 3404710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match(r'<Foo\(an_int=42\) at remote 0x[0-9a-f]+>', gdb_repr) 3414710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(m, 3424710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm msg='Unexpected new-style class rendering %r' % gdb_repr) 3434710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3444710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def assertSane(self, source, corruption, expvalue=None, exptype=None): 3454710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm '''Run Python under gdb, corrupting variables in the inferior process 3464710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm immediately before taking a backtrace. 3474710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3484710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm Verify that the variable's representation is the expected failsafe 3494710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm representation''' 3504710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if corruption: 3514710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=[corruption, 'backtrace'] 3524710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm else: 3534710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['backtrace'] 3544710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3554710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = \ 3564710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.get_gdb_repr(source, 3574710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=cmds_after_breakpoint) 3584710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3594710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if expvalue: 3604710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if gdb_repr == repr(expvalue): 3614710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # gdb managed to print the value in spite of the corruption; 3624710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # this is good (see http://bugs.python.org/issue8330) 3634710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm return 3644710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3654710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if exptype: 3664710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pattern = '<' + exptype + ' at remote 0x[0-9a-f]+>' 3674710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm else: 3684710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # Match anything for the type name; 0xDEADBEEF could point to 3694710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # something arbitrary (see http://bugs.python.org/issue8330) 3704710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pattern = '<.* at remote 0x[0-9a-f]+>' 3714710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3724710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match(pattern, gdb_repr) 3734710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if not m: 3744710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.fail('Unexpected gdb representation: %r\n%s' % \ 3754710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm (gdb_repr, gdb_output)) 3764710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3774710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_NULL_ptr(self): 3784710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Ensure that a NULL PyObject* is handled gracefully' 3794710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = ( 3804710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.get_gdb_repr('print 42', 3814710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['set variable op=0', 3824710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'backtrace']) 3834710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ) 3844710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3854710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, '0x0') 3864710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3874710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_NULL_ob_type(self): 3884710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Ensure that a PyObject* with NULL ob_type is handled gracefully' 3894710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertSane('print 42', 3904710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'set op->ob_type=0') 3914710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3924710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_corrupt_ob_type(self): 3934710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Ensure that a PyObject* with a corrupt ob_type is handled gracefully' 3944710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertSane('print 42', 3954710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'set op->ob_type=0xDEADBEEF', 3964710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm expvalue=42) 3974710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 3984710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_corrupt_tp_flags(self): 3994710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Ensure that a PyObject* with a type with corrupt tp_flags is handled' 4004710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertSane('print 42', 4014710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'set op->ob_type->tp_flags=0x0', 4024710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm expvalue=42) 4034710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4044710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_corrupt_tp_name(self): 4054710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Ensure that a PyObject* with a type with corrupt tp_name is handled' 4064710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertSane('print 42', 4074710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'set op->ob_type->tp_name=0xDEADBEEF', 4084710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm expvalue=42) 4094710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4104710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_NULL_instance_dict(self): 4114710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Ensure that a PyInstanceObject with with a NULL in_dict is handled' 4124710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertSane(''' 4134710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass Foo: 4144710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 4154710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo = Foo() 4164710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo.an_int = 42 4174710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint foo''', 4184710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'set ((PyInstanceObject*)op)->in_dict = 0', 4194710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm exptype='Foo') 4204710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4214710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_builtins_help(self): 4224710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Ensure that the new-style class _Helper in site.py can be handled' 4234710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # (this was the issue causing tracebacks in 4244710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm # http://bugs.python.org/issue8032#msg100537 ) 4254710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4264710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr('print __builtins__.help', import_site=True) 4274710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm m = re.match(r'<_Helper at remote 0x[0-9a-f]+>', gdb_repr) 4284710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(m, 4294710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm msg='Unexpected rendering %r' % gdb_repr) 4304710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4314710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_selfreferential_list(self): 4324710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm '''Ensure that a reference loop involving a list doesn't lead proxyval 4334710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm into an infinite loop:''' 4344710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = \ 4354710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.get_gdb_repr("a = [3, 4, 5] ; a.append(a) ; print a") 4364710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4374710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, '[3, 4, 5, [...]]') 4384710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4394710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = \ 4404710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.get_gdb_repr("a = [3, 4, 5] ; b = [a] ; a.append(b) ; print a") 4414710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4424710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, '[3, 4, 5, [[...]]]') 4434710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4444710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_selfreferential_dict(self): 4454710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm '''Ensure that a reference loop involving a dict doesn't lead proxyval 4464710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm into an infinite loop:''' 4474710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = \ 4484710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.get_gdb_repr("a = {} ; b = {'bar':a} ; a['foo'] = b ; print a") 4494710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4504710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, "{'foo': {'bar': {...}}}") 4514710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4524710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_selfreferential_old_style_instance(self): 4534710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = \ 4544710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.get_gdb_repr(''' 4554710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass Foo: 4564710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 4574710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo = Foo() 4584710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo.an_attr = foo 4594710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint foo''') 4604710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(re.match('<Foo\(an_attr=<\.\.\.>\) at remote 0x[0-9a-f]+>', 4614710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr), 4624710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Unexpected gdb representation: %r\n%s' % \ 4634710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm (gdb_repr, gdb_output)) 4644710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4654710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_selfreferential_new_style_instance(self): 4664710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = \ 4674710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.get_gdb_repr(''' 4684710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass Foo(object): 4694710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 4704710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo = Foo() 4714710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo.an_attr = foo 4724710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint foo''') 4734710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(re.match('<Foo\(an_attr=<\.\.\.>\) at remote 0x[0-9a-f]+>', 4744710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr), 4754710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Unexpected gdb representation: %r\n%s' % \ 4764710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm (gdb_repr, gdb_output)) 4774710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4784710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = \ 4794710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.get_gdb_repr(''' 4804710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass Foo(object): 4814710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 4824710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylma = Foo() 4834710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmb = Foo() 4844710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylma.an_attr = b 4854710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmb.an_attr = a 4864710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint a''') 4874710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(re.match('<Foo\(an_attr=<Foo\(an_attr=<\.\.\.>\) at remote 0x[0-9a-f]+>\) at remote 0x[0-9a-f]+>', 4884710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr), 4894710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Unexpected gdb representation: %r\n%s' % \ 4904710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm (gdb_repr, gdb_output)) 4914710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 4924710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_truncation(self): 4934710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify that very long output is truncated' 4944710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr('print range(1000)') 4954710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, 4964710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, " 4974710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, " 4984710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, " 4994710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, " 5004710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, " 5014710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, " 5024710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, " 5034710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, " 5044710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "104, 105, 106, 107, 108, 109, 110, 111, 112, 113, " 5054710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "114, 115, 116, 117, 118, 119, 120, 121, 122, 123, " 5064710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "124, 125, 126, 127, 128, 129, 130, 131, 132, 133, " 5074710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "134, 135, 136, 137, 138, 139, 140, 141, 142, 143, " 5084710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "144, 145, 146, 147, 148, 149, 150, 151, 152, 153, " 5094710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "154, 155, 156, 157, 158, 159, 160, 161, 162, 163, " 5104710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "164, 165, 166, 167, 168, 169, 170, 171, 172, 173, " 5114710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "174, 175, 176, 177, 178, 179, 180, 181, 182, 183, " 5124710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "184, 185, 186, 187, 188, 189, 190, 191, 192, 193, " 5134710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "194, 195, 196, 197, 198, 199, 200, 201, 202, 203, " 5144710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "204, 205, 206, 207, 208, 209, 210, 211, 212, 213, " 5154710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "214, 215, 216, 217, 218, 219, 220, 221, 222, 223, " 5164710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "224, 225, 226...(truncated)") 5174710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(len(gdb_repr), 5184710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 1024 + len('...(truncated)')) 5194710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5204710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_builtin_function(self): 5214710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr('print len') 5224710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEqual(gdb_repr, '<built-in function len>') 5234710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5244710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_builtin_method(self): 5254710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr, gdb_output = self.get_gdb_repr('import sys; print sys.stdout.readlines') 5264710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(re.match('<built-in method readlines of file object at remote 0x[0-9a-f]+>', 5274710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_repr), 5284710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Unexpected gdb representation: %r\n%s' % \ 5294710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm (gdb_repr, gdb_output)) 5304710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5314710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_frames(self): 5324710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_output = self.get_stack_trace(''' 5334710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmdef foo(a, b, c): 5344710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm pass 5354710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5364710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo(3, 4, 5) 5374710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmprint foo.__code__''', 5384710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm breakpoint='PyObject_Print', 5394710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['print (PyFrameObject*)(((PyCodeObject*)op)->co_zombieframe)'] 5404710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ) 5414710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertTrue(re.match(r'.*\s+\$1 =\s+Frame 0x[0-9a-f]+, for file <string>, line 3, in foo \(\)\s+.*', 5424710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm gdb_output, 5434710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm re.DOTALL), 5444710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Unexpected gdb representation: %r\n%s' % (gdb_output, gdb_output)) 5454710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5464710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass PyListTests(DebuggerTests): 5474710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def assertListing(self, expected, actual): 5484710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEndsWith(actual, expected) 5494710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5504710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_basic_command(self): 5514710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify that the "py-list" command works' 5524710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 5534710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-list']) 5544710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5554710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertListing(' 5 \n' 5564710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 6 def bar(a, b, c):\n' 5574710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 7 baz(a, b, c)\n' 5584710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 8 \n' 5594710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 9 def baz(*args):\n' 5604710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' >10 print(42)\n' 5614710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 11 \n' 5624710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 12 foo(1, 2, 3)\n', 5634710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt) 5644710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5654710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_one_abs_arg(self): 5664710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the "py-list" command with one absolute argument' 5674710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 5684710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-list 9']) 5694710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5704710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertListing(' 9 def baz(*args):\n' 5714710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' >10 print(42)\n' 5724710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 11 \n' 5734710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 12 foo(1, 2, 3)\n', 5744710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt) 5754710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5764710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_two_abs_args(self): 5774710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify the "py-list" command with two absolute arguments' 5784710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 5794710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-list 1,3']) 5804710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5814710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertListing(' 1 # Sample script for use by test_gdb.py\n' 5824710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 2 \n' 5834710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ' 3 def foo(a, b, c):\n', 5844710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt) 5854710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5864710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass StackNavigationTests(DebuggerTests): 5874710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") 5884710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_pyup_command(self): 5894710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify that the "py-up" command works' 5904710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 5914710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-up']) 5924710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 5934710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r'''^.* 5944710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm#[0-9]+ Frame 0x[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \(a=1, b=2, c=3\) 5954710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm baz\(a, b, c\) 5964710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm$''') 5974710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 5984710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") 5994710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_down_at_bottom(self): 6004710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify handling of "py-down" at the bottom of the stack' 6014710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6024710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-down']) 6034710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEndsWith(bt, 6044710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Unable to find a newer python frame\n') 6054710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6064710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") 6074710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_up_at_top(self): 6084710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify handling of "py-up" at the top of the stack' 6094710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6104710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-up'] * 4) 6114710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertEndsWith(bt, 6124710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Unable to find an older python frame\n') 6134710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6144710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") 6154710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_up_then_down(self): 6164710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify "py-up" followed by "py-down"' 6174710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6184710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-up', 'py-down']) 6194710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 6204710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r'''^.* 6214710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm#[0-9]+ Frame 0x[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \(a=1, b=2, c=3\) 6224710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm baz\(a, b, c\) 6234710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm#[0-9]+ Frame 0x[0-9a-f]+, for file .*gdb_sample.py, line 10, in baz \(args=\(1, 2, 3\)\) 6244710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm print\(42\) 6254710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm$''') 6264710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6274710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass PyBtTests(DebuggerTests): 6284710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_basic_command(self): 6294710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify that the "py-bt" command works' 6304710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6314710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-bt']) 6324710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 6334710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r'''^.* 6344710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm#[0-9]+ Frame 0x[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \(a=1, b=2, c=3\) 6354710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm baz\(a, b, c\) 6364710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm#[0-9]+ Frame 0x[0-9a-f]+, for file .*gdb_sample.py, line 4, in foo \(a=1, b=2, c=3\) 6374710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bar\(a, b, c\) 6384710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm#[0-9]+ Frame 0x[0-9a-f]+, for file .*gdb_sample.py, line 12, in <module> \(\) 6394710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmfoo\(1, 2, 3\) 6404710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm''') 6414710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6424710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass PyPrintTests(DebuggerTests): 6434710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_basic_command(self): 6444710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 'Verify that the "py-print" command works' 6454710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6464710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-print args']) 6474710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 6484710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r".*\nlocal 'args' = \(1, 2, 3\)\n.*") 6494710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6504710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") 6514710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_print_after_up(self): 6524710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6534710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-up', 'py-print c', 'py-print b', 'py-print a']) 6544710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 6554710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r".*\nlocal 'c' = 3\nlocal 'b' = 2\nlocal 'a' = 1\n.*") 6564710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6574710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_printing_global(self): 6584710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6594710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-print __name__']) 6604710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 6614710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r".*\nglobal '__name__' = '__main__'\n.*") 6624710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6634710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_printing_builtin(self): 6644710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6654710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-print len']) 6664710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 6674710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r".*\nbuiltin 'len' = <built-in function len>\n.*") 6684710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6694710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmclass PyLocalsTests(DebuggerTests): 6704710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_basic_command(self): 6714710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6724710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-locals']) 6734710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 6744710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r".*\nargs = \(1, 2, 3\)\n.*") 6754710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6764710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") 6774710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm def test_locals_after_up(self): 6784710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm bt = self.get_stack_trace(script=self.get_sample_script(), 6794710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cmds_after_breakpoint=['py-up', 'py-locals']) 6804710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm self.assertMultilineMatches(bt, 6814710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm r".*\na = 1\nb = 2\nc = 3\n.*") 6824710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6834710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmdef test_main(): 6844710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm cflags = sysconfig.get_config_vars()['PY_CFLAGS'] 6854710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm final_opt = "" 6864710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm for opt in cflags.split(): 6874710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if opt.startswith('-O'): 6884710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm final_opt = opt 6894710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm if final_opt and final_opt != '-O0': 6904710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm raise unittest.SkipTest("Python was built with compiler optimizations, " 6914710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm "tests can't reliably succeed") 6924710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 6934710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm run_unittest(PrettyPrintTests, 6944710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm PyListTests, 6954710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm StackNavigationTests, 6964710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm PyBtTests, 6974710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm PyPrintTests, 6984710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm PyLocalsTests 6994710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm ) 7004710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm 7014710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylmif __name__ == "__main__": 7024710c53dcad1ebf3755f3efb9e80ac24bd72a9b2darylm test_main() 703