lldb/test/API/functionalities/tsan/thread_leak/TestTsanThreadLeak.py

   1 """
   2 Tests ThreadSanitizer's support to detect a leaked thread.
   3 """
   4
   5 import lldb
   6 from lldbsuite.test.lldbtest import *
   7 from lldbsuite.test.decorators import *
   8 import lldbsuite.test.lldbutil as lldbutil
   9
  10
  11 class TsanThreadLeakTestCase(TestBase):
  12     @expectedFailureAll(
  13         oslist=["linux"],
  14         bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)",
  15     )
  16     @expectedFailureNetBSD
  17     @skipIfFreeBSD  # llvm.org/pr21136 runtimes not yet available by default
  18     @skipIfRemote
  19     @skipUnlessThreadSanitizer
  20     def test(self):
  21         self.build()
  22         self.tsan_tests()
  23
  24     def tsan_tests(self):
  25         exe = self.getBuildArtifact("a.out")
  26         self.expect("file " + exe, patterns=["Current executable set to .*a.out"])
  27
  28         self.runCmd("run")
  29
  30         stop_reason = (
  31             self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
  32         )
  33         if stop_reason == lldb.eStopReasonExec:
  34             # On OS X 10.10 and older, we need to re-exec to enable
  35             # interceptors.
  36             self.runCmd("continue")
  37
  38         # the stop reason of the thread should be breakpoint.
  39         self.expect(
  40             "thread list",
  41             "A thread leak should be detected",
  42             substrs=["stopped", "stop reason = Thread leak detected"],
  43         )
  44
  45         self.assertEqual(
  46             self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason(),
  47             lldb.eStopReasonInstrumentation,
  48         )