| """Test that adding, deleting and modifying watchpoints sends the appropriate events.""" |
| |
| from __future__ import print_function |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestWatchpointEvents (TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line numbers that we will step to in main: |
| self.main_source = "main.c" |
| |
| @add_test_categories(['pyapi']) |
| def test_with_python_api(self): |
| """Test that adding, deleting and modifying watchpoints sends the appropriate events.""" |
| self.build() |
| |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| self.main_source_spec = lldb.SBFileSpec(self.main_source) |
| |
| break_in_main = target.BreakpointCreateBySourceRegex( |
| '// Put a breakpoint here.', self.main_source_spec) |
| self.assertTrue(break_in_main, VALID_BREAKPOINT) |
| |
| # Now launch the process, and do not stop at entry point. |
| process = target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| |
| self.assertTrue(process, PROCESS_IS_VALID) |
| |
| # The stop reason of the thread should be breakpoint. |
| threads = lldbutil.get_threads_stopped_at_breakpoint( |
| process, break_in_main) |
| |
| if len(threads) != 1: |
| self.fail("Failed to stop at first breakpoint in main.") |
| |
| thread = threads[0] |
| frame = thread.GetFrameAtIndex(0) |
| local_var = frame.FindVariable("local_var") |
| self.assertTrue(local_var.IsValid()) |
| |
| self.listener = lldb.SBListener("com.lldb.testsuite_listener") |
| self.target_bcast = target.GetBroadcaster() |
| self.target_bcast.AddListener( |
| self.listener, lldb.SBTarget.eBroadcastBitWatchpointChanged) |
| self.listener.StartListeningForEvents( |
| self.target_bcast, lldb.SBTarget.eBroadcastBitWatchpointChanged) |
| |
| error = lldb.SBError() |
| local_watch = local_var.Watch(True, False, True, error) |
| if not error.Success(): |
| self.fail( |
| "Failed to make watchpoint for local_var: %s" % |
| (error.GetCString())) |
| |
| self.GetWatchpointEvent(lldb.eWatchpointEventTypeAdded) |
| # Now change some of the features of this watchpoint and make sure we |
| # get events: |
| local_watch.SetEnabled(False) |
| self.GetWatchpointEvent(lldb.eWatchpointEventTypeDisabled) |
| |
| local_watch.SetEnabled(True) |
| self.GetWatchpointEvent(lldb.eWatchpointEventTypeEnabled) |
| |
| local_watch.SetIgnoreCount(10) |
| self.GetWatchpointEvent(lldb.eWatchpointEventTypeIgnoreChanged) |
| |
| condition = "1 == 2" |
| local_watch.SetCondition(condition) |
| self.GetWatchpointEvent(lldb.eWatchpointEventTypeConditionChanged) |
| |
| self.assertEqual(local_watch.GetCondition(), condition, |
| 'make sure watchpoint condition is "' + condition + '"') |
| |
| def GetWatchpointEvent(self, event_type): |
| # We added a watchpoint so we should get a watchpoint added event. |
| event = lldb.SBEvent() |
| success = self.listener.WaitForEvent(1, event) |
| self.assertTrue(success, "Successfully got watchpoint event") |
| self.assertTrue( |
| lldb.SBWatchpoint.EventIsWatchpointEvent(event), |
| "Event is a watchpoint event.") |
| found_type = lldb.SBWatchpoint.GetWatchpointEventTypeFromEvent(event) |
| self.assertEqual( |
| found_type, event_type, |
| "Event is not correct type, expected: %d, found: %d" % |
| (event_type, |
| found_type)) |
| # There shouldn't be another event waiting around: |
| found_event = self.listener.PeekAtNextEventForBroadcasterWithType( |
| self.target_bcast, lldb.SBTarget.eBroadcastBitBreakpointChanged, event) |
| if found_event: |
| print("Found an event I didn't expect: ", event) |
| |
| self.assertTrue(not found_event, "Only one event per change.") |
