168 lines
7.8 KiB
Python
168 lines
7.8 KiB
Python
"""
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Test that thread plan listing, and deleting works.
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"""
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import lldb
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from lldbsuite.test.decorators import *
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import lldbsuite.test.lldbutil as lldbutil
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from lldbsuite.test.lldbtest import *
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class TestThreadPlanCommands(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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NO_DEBUG_INFO_TESTCASE = True
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@skipIfWindows
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@expectedFailureAll(oslist=["linux"], archs=["aarch64"])
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def test_thread_plan_actions(self):
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self.build()
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self.main_source_file = lldb.SBFileSpec("main.c")
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self.thread_plan_test()
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def check_list_output(self, command, active_plans = [], completed_plans = [], discarded_plans = []):
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# Check the "thread plan list" output against a list of active & completed and discarded plans.
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# If all three check arrays are empty, that means the command is expected to fail.
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interp = self.dbg.GetCommandInterpreter()
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result = lldb.SBCommandReturnObject()
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num_active = len(active_plans)
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num_completed = len(completed_plans)
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num_discarded = len(discarded_plans)
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interp.HandleCommand(command, result)
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print("Command: %s"%(command))
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print(result.GetOutput())
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if num_active == 0 and num_completed == 0 and num_discarded == 0:
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self.assertFalse(result.Succeeded(), "command: '%s' succeeded when it should have failed: '%s'"%
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(command, result.GetError()))
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return
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self.assertTrue(result.Succeeded(), "command: '%s' failed: '%s'"%(command, result.GetError()))
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result_arr = result.GetOutput().splitlines()
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num_results = len(result_arr)
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# Now iterate through the results array and pick out the results.
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result_idx = 0
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self.assertIn("thread #", result_arr[result_idx], "Found thread header") ; result_idx += 1
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self.assertIn("Active plan stack", result_arr[result_idx], "Found active header") ; result_idx += 1
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self.assertIn("Element 0: Base thread plan", result_arr[result_idx], "Found base plan") ; result_idx += 1
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for text in active_plans:
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self.assertIn(text, result_arr[result_idx], "Didn't find active plan: %s"%(text)) ; result_idx += 1
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if len(completed_plans) > 0:
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# First consume any remaining active plans:
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while not "Completed plan stack:" in result_arr[result_idx]:
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result_idx += 1
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if result_idx == num_results:
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self.fail("There should have been completed plans, but I never saw the completed stack header")
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# We are at the Completed header, skip it:
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result_idx += 1
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for text in completed_plans:
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self.assertIn(text, result_arr[result_idx], "Didn't find completed plan: %s"%(text)) ; result_idx += 1
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if len(discarded_plans) > 0:
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# First consume any remaining completed plans:
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while not "Discarded plan stack:" in result_arr[result_idx]:
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result_idx += 1
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if result_idx == num_results:
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self.fail("There should have been discarded plans, but I never saw the discarded stack header")
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# We are at the Discarded header, skip it:
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result_idx += 1
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for text in discarded_plans:
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self.assertIn(text, result_arr[result_idx], "Didn't find discarded plan: %s"%(text)) ; result_idx += 1
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def thread_plan_test(self):
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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"Set a breakpoint here", self.main_source_file)
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# We need to have an internal plan so we can test listing one.
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# The most consistent way to do that is to use a scripted thread plan
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# that uses a sub-plan. Source that in now.
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source_path = os.path.join(self.getSourceDir(), "wrap_step_over.py")
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self.runCmd("command script import '%s'"%(source_path))
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# Now set a breakpoint that we will hit by running our scripted step.
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call_me_bkpt = target.BreakpointCreateBySourceRegex("Set another here", self.main_source_file)
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self.assertTrue(call_me_bkpt.GetNumLocations() > 0, "Set the breakpoint successfully")
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thread.StepUsingScriptedThreadPlan("wrap_step_over.WrapStepOver")
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threads = lldbutil.get_threads_stopped_at_breakpoint(process, call_me_bkpt)
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self.assertEqual(len(threads), 1, "Hit my breakpoint while stepping over")
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current_id = threads[0].GetIndexID()
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current_tid = threads[0].GetThreadID()
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# Run thread plan list without the -i flag:
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command = "thread plan list %d"%(current_id)
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self.check_list_output (command, ["wrap_step_over.WrapStepOver"], [])
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# Run thread plan list with the -i flag:
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command = "thread plan list -i %d"%(current_id)
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self.check_list_output(command, ["WrapStepOver", "Stepping over line main.c"])
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# Run thread plan list providing TID, output should be the same:
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command = "thread plan list -t %d"%(current_tid)
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self.check_list_output(command, ["wrap_step_over.WrapStepOver"])
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# Provide both index & tid, and make sure we only print once:
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command = "thread plan list -t %d %d"%(current_tid, current_id)
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self.check_list_output(command, ["wrap_step_over.WrapStepOver"])
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# Try a fake TID, and make sure that fails:
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fake_tid = 0
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for i in range(100, 10000, 100):
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fake_tid = current_tid + i
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thread = process.GetThreadByID(fake_tid)
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if not thread:
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break
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command = "thread plan list -t %d"%(fake_tid)
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self.check_list_output(command)
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# Now continue, and make sure we printed the completed plan:
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process.Continue()
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threads = lldbutil.get_stopped_threads(process, lldb.eStopReasonPlanComplete)
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self.assertEqual(len(threads), 1, "One thread completed a step")
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# Run thread plan list - there aren't any private plans at this point:
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command = "thread plan list %d"%(current_id)
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self.check_list_output(command, [], ["wrap_step_over.WrapStepOver"])
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# Set another breakpoint that we can run to, to try deleting thread plans.
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second_step_bkpt = target.BreakpointCreateBySourceRegex("Run here to step over again",
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self.main_source_file)
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self.assertTrue(second_step_bkpt.GetNumLocations() > 0, "Set the breakpoint successfully")
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final_bkpt = target.BreakpointCreateBySourceRegex("Make sure we get here on last continue",
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self.main_source_file)
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self.assertTrue(final_bkpt.GetNumLocations() > 0, "Set the breakpoint successfully")
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threads = lldbutil.continue_to_breakpoint(process, second_step_bkpt)
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self.assertEqual(len(threads), 1, "Hit the second step breakpoint")
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threads[0].StepOver()
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threads = lldbutil.get_threads_stopped_at_breakpoint(process, call_me_bkpt)
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result = lldb.SBCommandReturnObject()
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interp = self.dbg.GetCommandInterpreter()
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interp.HandleCommand("thread plan discard 1", result)
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self.assertTrue(result.Succeeded(), "Deleted the step over plan: %s"%(result.GetOutput()))
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# Make sure the plan gets listed in the discarded plans:
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command = "thread plan list %d"%(current_id)
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self.check_list_output(command, [], [], ["Stepping over line main.c:"])
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process.Continue()
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threads = lldbutil.get_threads_stopped_at_breakpoint(process, final_bkpt)
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self.assertEqual(len(threads), 1, "Ran to final breakpoint")
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threads = lldbutil.get_stopped_threads(process, lldb.eStopReasonPlanComplete)
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self.assertEqual(len(threads), 0, "Did NOT complete the step over plan")
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