text: """
  Use lldb Python API to verify that expression evaluation for property references uses the correct getters and setters
  """
  
  
  
  import lldb
  from lldbsuite.test.decorators import *
  from lldbsuite.test.lldbtest import *
  from lldbsuite.test import lldbutil
  
  
  class ObjCPropertyTestCase(TestBase):
  
      mydir = TestBase.compute_mydir(__file__)
  
      def setUp(self):
          # Call super's setUp().
          TestBase.setUp(self)
  
          # Find the line number to break for main.c.
          self.source_name = 'main.m'
  
      @add_test_categories(['pyapi'])
      def test_objc_properties(self):
          """Test that expr uses the correct property getters and setters"""
          if self.getArchitecture() == 'i386':
              self.skipTest("requires modern objc runtime")
  
          self.build()
          exe = self.getBuildArtifact("a.out")
  
          # Create a target from the debugger.
  
          target = self.dbg.CreateTarget(exe)
          self.assertTrue(target, VALID_TARGET)
  
          # Set up our breakpoints:
  
          main_bkpt = target.BreakpointCreateBySourceRegex(
              "Set a breakpoint here.", lldb.SBFileSpec(self.source_name))
          self.assertTrue(main_bkpt and
                          main_bkpt.GetNumLocations() == 1,
                          VALID_BREAKPOINT)
  
          # Now launch the process, and do not stop at the entry point.
          process = target.LaunchSimple(
              None, None, self.get_process_working_directory())
  
          self.assertEquals(process.GetState(), lldb.eStateStopped,
                          PROCESS_STOPPED)
  
          threads = lldbutil.get_threads_stopped_at_breakpoint(
              process, main_bkpt)
          self.assertEquals(len(threads), 1)
          thread = threads[0]
          frame = thread.GetFrameAtIndex(0)
  
          mine = frame.FindVariable("mine")
          self.assertTrue(mine.IsValid())
          access_count = mine.GetChildMemberWithName("_access_count")
          self.assertTrue(access_count.IsValid())
          start_access_count = access_count.GetValueAsUnsigned(123456)
          self.assertNotEqual(start_access_count, 123456)
  
          #
          # The first set of tests test calling the getter & setter of
          # a property that actually only has a getter & setter and no
          # @property.
          #
          nonexistant_value = frame.EvaluateExpression(
              "mine.nonexistantInt", False)
          nonexistant_error = nonexistant_value.GetError()
          self.assertTrue(nonexistant_error.Success())
          nonexistant_int = nonexistant_value.GetValueAsUnsigned(123456)
          self.assertEquals(nonexistant_int, 6)
  
          # Calling the getter function would up the access count, so make sure
          # that happened.
  
          new_access_count = access_count.GetValueAsUnsigned(123456)
          self.assertEquals(new_access_count - start_access_count, 1)
          start_access_count = new_access_count
  
          #
          # Now call the setter, then make sure that
          nonexistant_change = frame.EvaluateExpression(
              "mine.nonexistantInt = 10", False)
          nonexistant_error = nonexistant_change.GetError()
          self.assertTrue(nonexistant_error.Success())
  
          # Calling the setter function would up the access count, so make sure
          # that happened.
  
          new_access_count = access_count.GetValueAsUnsigned(123456)
          self.assertEquals(new_access_count - start_access_count, 1)
          start_access_count = new_access_count
  
          #
          # Now we call the getter of a property that is backed by an ivar,
          # make sure it works and that we actually update the backing ivar.
          #
  
          backed_value = frame.EvaluateExpression("mine.backedInt", False)
          backed_error = backed_value.GetError()
          self.assertTrue(backed_error.Success())
          backing_value = mine.GetChildMemberWithName("_backedInt")
          self.assertTrue(backing_value.IsValid())
          self.assertTrue(backed_value.GetValueAsUnsigned(12345)
                          == backing_value.GetValueAsUnsigned(23456))
  
          value_from_typedef = frame.EvaluateExpression("typedefd.backedInt", False)
          self.assertTrue(value_from_typedef.GetError().Success())
          self.assertEqual(value_from_typedef.GetValueAsUnsigned(12345),
                           backing_value.GetValueAsUnsigned(23456))
  
          unbacked_value = frame.EvaluateExpression("mine.unbackedInt", False)
          unbacked_error = unbacked_value.GetError()
          self.assertTrue(unbacked_error.Success())
  
          idWithProtocol_value = frame.EvaluateExpression(
              "mine.idWithProtocol", False)
          idWithProtocol_error = idWithProtocol_value.GetError()
          self.assertTrue(idWithProtocol_error.Success())
          self.assertEquals(idWithProtocol_value.GetTypeName(), "id")
  
          # Make sure that class property getter works as expected
          value = frame.EvaluateExpression("BaseClass.classInt", False)
          self.assertTrue(value.GetError().Success())
          self.assertEquals(value.GetValueAsUnsigned(11111), 123)
  
          # Make sure that class property setter works as expected
          value = frame.EvaluateExpression("BaseClass.classInt = 234", False)
          self.assertTrue(value.GetError().Success())
  
          # Verify that setter above actually worked
          value = frame.EvaluateExpression("BaseClass.classInt", False)
          self.assertTrue(value.GetError().Success())
          self.assertEquals(value.GetValueAsUnsigned(11111), 234)
  