artulab.com Git - openbsd/blob

   1 """
   2 Test that we obey thread conditioned breakpoints and expression
   3 conditioned breakpoints simultaneously
   4 """
   5
   6
   7
   8 import lldb
   9 from lldbsuite.test.decorators import *
  10 from lldbsuite.test.lldbtest import *
  11 from lldbsuite.test import lldbutil
  12
  13
  14 class ThreadSpecificBreakPlusConditionTestCase(TestBase):
  15
  16     mydir = TestBase.compute_mydir(__file__)
  17
  18     # test frequently times out or hangs
  19     @skipIf(oslist=['windows', 'freebsd'])
  20     @skipIfDarwin
  21     # hits break in another thread in testrun
  22     @expectedFailureAll(oslist=['freebsd'], bugnumber='llvm.org/pr18522')
  23     @add_test_categories(['pyapi'])
  24     @expectedFailureAll(oslist=['ios', 'watchos', 'tvos', 'bridgeos'], archs=['armv7', 'armv7k'], bugnumber='rdar://problem/34563348') # Two threads seem to end up with the same my_value when built for armv7.
  25     @expectedFailureNetBSD
  26     def test_python(self):
  27         """Test that we obey thread conditioned breakpoints."""
  28         self.build()
  29         exe = self.getBuildArtifact("a.out")
  30
  31         target = self.dbg.CreateTarget(exe)
  32         self.assertTrue(target, VALID_TARGET)
  33
  34         main_source_spec = lldb.SBFileSpec("main.cpp")
  35
  36         # Set a breakpoint in the thread body, and make it active for only the
  37         # first thread.
  38         break_thread_body = target.BreakpointCreateBySourceRegex(
  39             "Break here in thread body.", main_source_spec)
  40         self.assertTrue(
  41             break_thread_body.IsValid() and break_thread_body.GetNumLocations() > 0,
  42             "Failed to set thread body breakpoint.")
  43
  44         process = target.LaunchSimple(
  45             None, None, self.get_process_working_directory())
  46
  47         self.assertTrue(process, PROCESS_IS_VALID)
  48
  49         threads = lldbutil.get_threads_stopped_at_breakpoint(
  50             process, break_thread_body)
  51
  52         victim_thread = threads[0]
  53
  54         # Pick one of the threads, and change the breakpoint so it ONLY stops for this thread,
  55         # but add a condition that it won't stop for this thread's my_value.  The other threads
  56         # pass the condition, so they should stop, but if the thread-specification is working
  57         # they should not stop.  So nobody should hit the breakpoint anymore, and we should
  58         # just exit cleanly.
  59
  60         frame = victim_thread.GetFrameAtIndex(0)
  61         value = frame.FindVariable("my_value").GetValueAsSigned(0)
  62         self.assertTrue(
  63             value > 0 and value < 11,
  64             "Got a reasonable value for my_value.")
  65
  66         cond_string = "my_value != %d" % (value)
  67
  68         break_thread_body.SetThreadID(victim_thread.GetThreadID())
  69         break_thread_body.SetCondition(cond_string)
  70
  71         process.Continue()
  72
  73         next_stop_state = process.GetState()
  74         self.assertTrue(
  75             next_stop_state == lldb.eStateExited,
  76             "We should have not hit the breakpoint again.")