| """ |
| Test that thread plan listing, and deleting works. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| import lldbsuite.test.lldbutil as lldbutil |
| from lldbsuite.test.lldbtest import * |
| |
| |
| class TestThreadPlanCommands(TestBase): |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| @skipIfWindows |
| def test_thread_plan_actions(self): |
| self.build() |
| self.main_source_file = lldb.SBFileSpec("main.c") |
| self.thread_plan_test() |
| |
| def check_list_output( |
| self, command, active_plans=[], completed_plans=[], discarded_plans=[] |
| ): |
| # Check the "thread plan list" output against a list of active & completed and discarded plans. |
| # If all three check arrays are empty, that means the command is expected to fail. |
| |
| interp = self.dbg.GetCommandInterpreter() |
| result = lldb.SBCommandReturnObject() |
| |
| num_active = len(active_plans) |
| num_completed = len(completed_plans) |
| num_discarded = len(discarded_plans) |
| |
| interp.HandleCommand(command, result) |
| print("Command: %s" % (command)) |
| print(result.GetOutput()) |
| |
| if num_active == 0 and num_completed == 0 and num_discarded == 0: |
| self.assertFalse( |
| result.Succeeded(), |
| "command: '%s' succeeded when it should have failed: '%s'" |
| % (command, result.GetError()), |
| ) |
| return |
| |
| self.assertTrue( |
| result.Succeeded(), |
| "command: '%s' failed: '%s'" % (command, result.GetError()), |
| ) |
| result_arr = result.GetOutput().splitlines() |
| num_results = len(result_arr) |
| |
| # Now iterate through the results array and pick out the results. |
| result_idx = 0 |
| self.assertIn("thread #", result_arr[result_idx], "Found thread header") |
| result_idx += 1 |
| self.assertIn( |
| "Active plan stack", result_arr[result_idx], "Found active header" |
| ) |
| result_idx += 1 |
| self.assertIn( |
| "Element 0: Base thread plan", result_arr[result_idx], "Found base plan" |
| ) |
| result_idx += 1 |
| |
| for text in active_plans: |
| self.assertIn( |
| text, result_arr[result_idx], "Didn't find active plan: %s" % (text) |
| ) |
| result_idx += 1 |
| |
| if len(completed_plans) > 0: |
| # First consume any remaining active plans: |
| while not "Completed plan stack:" in result_arr[result_idx]: |
| result_idx += 1 |
| if result_idx == num_results: |
| self.fail( |
| "There should have been completed plans, but I never saw the completed stack header" |
| ) |
| # We are at the Completed header, skip it: |
| result_idx += 1 |
| for text in completed_plans: |
| self.assertIn( |
| text, |
| result_arr[result_idx], |
| "Didn't find completed plan: %s" % (text), |
| ) |
| result_idx += 1 |
| |
| if len(discarded_plans) > 0: |
| # First consume any remaining completed plans: |
| while not "Discarded plan stack:" in result_arr[result_idx]: |
| result_idx += 1 |
| if result_idx == num_results: |
| self.fail( |
| "There should have been discarded plans, but I never saw the discarded stack header" |
| ) |
| |
| # We are at the Discarded header, skip it: |
| result_idx += 1 |
| for text in discarded_plans: |
| self.assertIn( |
| text, |
| result_arr[result_idx], |
| "Didn't find discarded plan: %s" % (text), |
| ) |
| result_idx += 1 |
| |
| def thread_plan_test(self): |
| (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint( |
| self, "Set a breakpoint here", self.main_source_file |
| ) |
| |
| # We need to have an internal plan so we can test listing one. |
| # The most consistent way to do that is to use a scripted thread plan |
| # that uses a sub-plan. Source that in now. |
| source_path = os.path.join(self.getSourceDir(), "wrap_step_over.py") |
| self.runCmd("command script import '%s'" % (source_path)) |
| |
| # Now set a breakpoint that we will hit by running our scripted step. |
| call_me_bkpt = target.BreakpointCreateBySourceRegex( |
| "Set another here", self.main_source_file |
| ) |
| self.assertTrue( |
| call_me_bkpt.GetNumLocations() > 0, "Set the breakpoint successfully" |
| ) |
| thread.StepUsingScriptedThreadPlan("wrap_step_over.WrapStepOver") |
| threads = lldbutil.get_threads_stopped_at_breakpoint(process, call_me_bkpt) |
| self.assertEqual(len(threads), 1, "Hit my breakpoint while stepping over") |
| |
| current_id = threads[0].GetIndexID() |
| current_tid = threads[0].GetThreadID() |
| # Run thread plan list without the -i flag: |
| command = "thread plan list %d" % (current_id) |
| self.check_list_output(command, ["wrap_step_over.WrapStepOver"], []) |
| |
| # Run thread plan list with the -i flag: |
| command = "thread plan list -i %d" % (current_id) |
| self.check_list_output(command, ["WrapStepOver", "Stepping over line main.c"]) |
| |
| # Run thread plan list providing TID, output should be the same: |
| command = "thread plan list -t %d" % (current_tid) |
| self.check_list_output(command, ["wrap_step_over.WrapStepOver"]) |
| |
| # Provide both index & tid, and make sure we only print once: |
| command = "thread plan list -t %d %d" % (current_tid, current_id) |
| self.check_list_output(command, ["wrap_step_over.WrapStepOver"]) |
| |
| # Try a fake TID, and make sure that fails: |
| fake_tid = 0 |
| for i in range(100, 10000, 100): |
| fake_tid = current_tid + i |
| thread = process.GetThreadByID(fake_tid) |
| if not thread: |
| break |
| |
| command = "thread plan list -t %d" % (fake_tid) |
| self.check_list_output(command) |
| |
| # Now continue, and make sure we printed the completed plan: |
| process.Continue() |
| threads = lldbutil.get_stopped_threads(process, lldb.eStopReasonPlanComplete) |
| self.assertEqual(len(threads), 1, "One thread completed a step") |
| |
| # Run thread plan list - there aren't any private plans at this point: |
| command = "thread plan list %d" % (current_id) |
| self.check_list_output(command, [], ["wrap_step_over.WrapStepOver"]) |
| |
| # Set another breakpoint that we can run to, to try deleting thread plans. |
| second_step_bkpt = target.BreakpointCreateBySourceRegex( |
| "Run here to step over again", self.main_source_file |
| ) |
| self.assertTrue( |
| second_step_bkpt.GetNumLocations() > 0, "Set the breakpoint successfully" |
| ) |
| final_bkpt = target.BreakpointCreateBySourceRegex( |
| "Make sure we get here on last continue", self.main_source_file |
| ) |
| self.assertTrue( |
| final_bkpt.GetNumLocations() > 0, "Set the breakpoint successfully" |
| ) |
| |
| threads = lldbutil.continue_to_breakpoint(process, second_step_bkpt) |
| self.assertEqual(len(threads), 1, "Hit the second step breakpoint") |
| |
| threads[0].StepOver() |
| threads = lldbutil.get_threads_stopped_at_breakpoint(process, call_me_bkpt) |
| |
| result = lldb.SBCommandReturnObject() |
| interp = self.dbg.GetCommandInterpreter() |
| interp.HandleCommand("thread plan discard 1", result) |
| self.assertTrue( |
| result.Succeeded(), "Deleted the step over plan: %s" % (result.GetOutput()) |
| ) |
| |
| # Make sure the plan gets listed in the discarded plans: |
| command = "thread plan list %d" % (current_id) |
| self.check_list_output(command, [], [], ["Stepping over line main.c:"]) |
| |
| process.Continue() |
| threads = lldbutil.get_threads_stopped_at_breakpoint(process, final_bkpt) |
| self.assertEqual(len(threads), 1, "Ran to final breakpoint") |
| threads = lldbutil.get_stopped_threads(process, lldb.eStopReasonPlanComplete) |
| self.assertEqual(len(threads), 0, "Did NOT complete the step over plan") |
