packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py

   1 """
   2 Test ThreadSanitizer when multiple different issues are found.
   3 """
   4
   5 import os, time
   6 import lldb
   7 from lldbsuite.test.lldbtest import *
   8 from lldbsuite.test.decorators import *
   9 import lldbsuite.test.lldbutil as lldbutil
  10 import json
  11
  12 class TsanMultipleTestCase(TestBase):
  13
  14     mydir = TestBase.compute_mydir(__file__)
  15
  16     @expectedFailureAll(oslist=["linux"], bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)")
  17     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
  18     @skipIfRemote
  19     @skipUnlessCompilerRt
  20     @skipUnlessThreadSanitizer
  21     def test (self):
  22         self.build ()
  23         self.tsan_tests ()
  24
  25     def setUp(self):
  26         # Call super's setUp().
  27         TestBase.setUp(self)
  28
  29     def tsan_tests (self):
  30         exe = os.path.join (os.getcwd(), "a.out")
  31         self.expect("file " + exe, patterns = [ "Current executable set to .*a.out" ])
  32
  33         self.runCmd("env TSAN_OPTIONS=abort_on_error=0")
  34
  35         self.runCmd("run")
  36
  37         stop_reason = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
  38         if stop_reason == lldb.eStopReasonExec:
  39             # On OS X 10.10 and older, we need to re-exec to enable interceptors.
  40             self.runCmd("continue")
  41
  42         report_count = 0
  43         while self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason() == lldb.eStopReasonInstrumentation:
  44             report_count += 1
  45
  46             stop_description = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopDescription(100)
  47
  48             self.assertTrue(
  49                  (stop_description == "Data race detected") or
  50                  (stop_description == "Use of deallocated memory detected") or
  51                  (stop_description == "Thread leak detected") or
  52                  (stop_description == "Use of an uninitialized or destroyed mutex detected") or
  53                  (stop_description == "Unlock of an unlocked mutex (or by a wrong thread) detected")
  54             )
  55
  56             self.expect("thread info -s", "The extended stop info should contain the TSan provided fields",
  57                 substrs = ["instrumentation_class", "description", "mops"])
  58
  59             output_lines = self.res.GetOutput().split('\n')
  60             json_line = '\n'.join(output_lines[2:])
  61             data = json.loads(json_line)
  62             self.assertEqual(data["instrumentation_class"], "ThreadSanitizer")
  63
  64             backtraces = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReasonExtendedBacktraces(lldb.eInstrumentationRuntimeTypeThreadSanitizer)
  65             self.assertTrue(backtraces.GetSize() >= 1)
  66
  67             self.runCmd("continue")
  68
  69         self.assertEqual(self.dbg.GetSelectedTarget().process.GetState(), lldb.eStateExited, PROCESS_EXITED)