| """Test that adding, deleting and modifying watchpoints sends the appropriate events.""" |
| |
| import os, time |
| import unittest2 |
| import lldb |
| import lldbutil |
| from lldbtest import * |
| |
| class TestWatchpointEvents (TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @python_api_test |
| @dsym_test |
| def test_with_dsym_and_python_api(self): |
| """Test that adding, deleting and modifying watchpoints sends the appropriate events.""" |
| self.buildDsym() |
| self.step_over_stepping() |
| |
| @python_api_test |
| @dwarf_test |
| def test_with_dwarf_and_python_api(self): |
| """Test that adding, deleting and modifying watchpoints sends the appropriate events.""" |
| self.buildDwarf() |
| self.step_over_stepping() |
| |
| 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" |
| |
| 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 == True, "Successfully got watchpoint event") |
| self.assertTrue (lldb.SBWatchpoint.EventIsWatchpointEvent(event), "Event is a watchpoint event.") |
| found_type = lldb.SBWatchpoint.GetWatchpointEventTypeFromEvent (event) |
| self.assertTrue (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.") |
| |
| def step_over_stepping(self): |
| """Use Python APIs to test stepping over and hitting breakpoints.""" |
| exe = os.path.join(os.getcwd(), "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, True, 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.SetIgnoreCount(10) |
| self.GetWatchpointEvent (lldb.eWatchpointEventTypeIgnoreChanged) |
| |
| local_watch.SetCondition ("1 == 2") |
| self.GetWatchpointEvent (lldb.eWatchpointEventTypeConditionChanged) |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
