artulab.com Git - openbsd/blob

   1 """
   2 Test that the SBWatchpoint::SetEnable API works.
   3 """
   4
   5 import lldb
   6 from lldbsuite.test.lldbtest import *
   7 from lldbsuite.test.decorators import *
   8 from lldbsuite.test import lldbplatform, lldbplatformutil
   9
  10
  11 class TestWatchpointSetEnable(TestBase):
  12     mydir = TestBase.compute_mydir(__file__)
  13     NO_DEBUG_INFO_TESTCASE = True
  14
  15     def test_disable_works (self):
  16         """Set a watchpoint, disable it, and make sure it doesn't get hit."""
  17         self.build()
  18         self.do_test(False)
  19
  20     def test_disable_enable_works (self):
  21         """Set a watchpoint, disable it, and make sure it doesn't get hit."""
  22         self.build()
  23         self.do_test(True)
  24
  25     def do_test(self, test_enable):
  26         """Set a watchpoint, disable it and make sure it doesn't get hit."""
  27
  28         exe = self.getBuildArtifact("a.out")
  29         main_file_spec = lldb.SBFileSpec("main.c")
  30
  31         # Create a target by the debugger.
  32         self.target = self.dbg.CreateTarget(exe)
  33         self.assertTrue(self.target, VALID_TARGET)
  34
  35         bkpt_before = self.target.BreakpointCreateBySourceRegex("Set a breakpoint here", main_file_spec)
  36         self.assertEqual(bkpt_before.GetNumLocations(),  1, "Failed setting the before breakpoint.")
  37
  38         bkpt_after = self.target.BreakpointCreateBySourceRegex("We should have stopped", main_file_spec)
  39         self.assertEqual(bkpt_after.GetNumLocations(), 1, "Failed setting the after breakpoint.")
  40
  41         process = self.target.LaunchSimple(
  42             None, None, self.get_process_working_directory())
  43         self.assertTrue(process, PROCESS_IS_VALID)
  44
  45         thread = lldbutil.get_one_thread_stopped_at_breakpoint(process, bkpt_before)
  46         self.assertTrue(thread.IsValid(), "We didn't stop at the before breakpoint.")
  47
  48         ret_val = lldb.SBCommandReturnObject()
  49         self.dbg.GetCommandInterpreter().HandleCommand("watchpoint set variable -w write global_var", ret_val)
  50         self.assertTrue(ret_val.Succeeded(), "Watchpoint set variable did not return success.")
  51
  52         wp = self.target.FindWatchpointByID(1)
  53         self.assertTrue(wp.IsValid(), "Didn't make a valid watchpoint.")
  54         self.assertTrue(wp.GetWatchAddress() != lldb.LLDB_INVALID_ADDRESS, "Watch address is invalid")
  55
  56         wp.SetEnabled(False)
  57         self.assertTrue(not wp.IsEnabled(), "The watchpoint thinks it is still enabled")
  58
  59         process.Continue()
  60
  61         stop_reason = thread.GetStopReason()
  62
  63         self.assertEqual(stop_reason, lldb.eStopReasonBreakpoint, "We didn't stop at our breakpoint.")
  64
  65         if test_enable:
  66             wp.SetEnabled(True)
  67             self.assertTrue(wp.IsEnabled(), "The watchpoint thinks it is still disabled.")
  68             process.Continue()
  69             stop_reason = thread.GetStopReason()
  70             self.assertEqual(stop_reason, lldb.eStopReasonWatchpoint, "We didn't stop at our watchpoint")
  71