| """ | |
| Test thread states. | |
| """ | |
| import unittest | |
| import lldb | |
| from lldbsuite.test.decorators import * | |
| from lldbsuite.test.lldbtest import * | |
| from lldbsuite.test import lldbutil | |
| class ThreadStateTestCase(TestBase): | |
| @expectedFailureAll( | |
| oslist=["linux"], | |
| bugnumber="llvm.org/pr15824 thread states not properly maintained", | |
| ) | |
| @skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237> | |
| @expectedFailureAll( | |
| oslist=["freebsd"], | |
| bugnumber="llvm.org/pr18190 thread states not properly maintained", | |
| ) | |
| @expectedFailureNetBSD | |
| def test_state_after_breakpoint(self): | |
| """Test thread state after breakpoint.""" | |
| self.build() | |
| self.thread_state_after_breakpoint_test() | |
| @skipIfDarwin # 'llvm.org/pr23669', cause Python crash randomly | |
| @expectedFailureAll( | |
| oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr23669" | |
| ) | |
| def test_state_after_continue(self): | |
| """Test thread state after continue.""" | |
| self.build() | |
| self.thread_state_after_continue_test() | |
| @skipIfDarwin # 'llvm.org/pr23669', cause Python crash randomly | |
| @expectedFailureDarwin("llvm.org/pr23669") | |
| @expectedFailureNetBSD | |
| # This actually passes on Windows on Arm but it's hard to describe that | |
| # and xfail it everywhere else. | |
| @skipIfWindows | |
| # thread states not properly maintained | |
| @unittest.expectedFailure # llvm.org/pr16712 | |
| def test_state_after_expression(self): | |
| """Test thread state after expression.""" | |
| self.build() | |
| self.thread_state_after_expression_test() | |
| # thread states not properly maintained | |
| @unittest.expectedFailure # llvm.org/pr15824 and <rdar://problem/28557237> | |
| @expectedFailureAll( | |
| oslist=["windows"], | |
| bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly", | |
| ) | |
| @skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237> | |
| @expectedFailureNetBSD | |
| def test_process_state(self): | |
| """Test thread states (comprehensive).""" | |
| self.build() | |
| self.thread_states_test() | |
| def setUp(self): | |
| # Call super's setUp(). | |
| TestBase.setUp(self) | |
| # Find the line numbers for our breakpoints. | |
| self.break_1 = line_number("main.cpp", "// Set first breakpoint here") | |
| self.break_2 = line_number("main.cpp", "// Set second breakpoint here") | |
| def thread_state_after_breakpoint_test(self): | |
| """Test thread state after breakpoint.""" | |
| exe = self.getBuildArtifact("a.out") | |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) | |
| # This should create a breakpoint in the main thread. | |
| bp = lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_1, num_expected_locations=1 | |
| ) | |
| # Run the program. | |
| self.runCmd("run", RUN_SUCCEEDED) | |
| # Get the target process | |
| target = self.dbg.GetSelectedTarget() | |
| process = target.GetProcess() | |
| thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) | |
| self.assertIsNotNone(thread) | |
| # Make sure the thread is in the stopped state. | |
| self.assertTrue( | |
| thread.IsStopped(), "Thread state isn't 'stopped' during breakpoint 1." | |
| ) | |
| self.assertFalse( | |
| thread.IsSuspended(), "Thread state is 'suspended' during breakpoint 1." | |
| ) | |
| # Kill the process | |
| self.runCmd("process kill") | |
| def wait_for_running_event(self, process): | |
| listener = self.dbg.GetListener() | |
| lldbutil.expect_state_changes(self, listener, process, [lldb.eStateRunning]) | |
| def thread_state_after_continue_test(self): | |
| """Test thread state after continue.""" | |
| exe = self.getBuildArtifact("a.out") | |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) | |
| # This should create a breakpoint in the main thread. | |
| lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_1, num_expected_locations=1 | |
| ) | |
| lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_2, num_expected_locations=1 | |
| ) | |
| # Run the program. | |
| self.runCmd("run", RUN_SUCCEEDED) | |
| # Get the target process | |
| target = self.dbg.GetSelectedTarget() | |
| process = target.GetProcess() | |
| thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) | |
| self.assertIsNotNone(thread) | |
| # Continue, the inferior will go into an infinite loop waiting for | |
| # 'g_test' to change. | |
| self.dbg.SetAsync(True) | |
| self.runCmd("continue") | |
| self.wait_for_running_event(process) | |
| # Check the thread state. It should be running. | |
| self.assertFalse( | |
| thread.IsStopped(), "Thread state is 'stopped' when it should be running." | |
| ) | |
| self.assertFalse( | |
| thread.IsSuspended(), | |
| "Thread state is 'suspended' when it should be running.", | |
| ) | |
| # Go back to synchronous interactions | |
| self.dbg.SetAsync(False) | |
| # Kill the process | |
| self.runCmd("process kill") | |
| def thread_state_after_expression_test(self): | |
| """Test thread state after expression.""" | |
| exe = self.getBuildArtifact("a.out") | |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) | |
| # This should create a breakpoint in the main thread. | |
| lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_1, num_expected_locations=1 | |
| ) | |
| lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_2, num_expected_locations=1 | |
| ) | |
| # Run the program. | |
| self.runCmd("run", RUN_SUCCEEDED) | |
| # Get the target process | |
| target = self.dbg.GetSelectedTarget() | |
| process = target.GetProcess() | |
| thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) | |
| self.assertIsNotNone(thread) | |
| # Get the inferior out of its loop | |
| self.runCmd("expression g_test = 1") | |
| # Check the thread state | |
| self.assertTrue( | |
| thread.IsStopped(), | |
| "Thread state isn't 'stopped' after expression evaluation.", | |
| ) | |
| self.assertFalse( | |
| thread.IsSuspended(), | |
| "Thread state is 'suspended' after expression evaluation.", | |
| ) | |
| # Let the process run to completion | |
| self.runCmd("process continue") | |
| @expectedFailureAll( | |
| oslist=["windows"], | |
| bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly", | |
| ) | |
| @skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and <rdar://problem/28557237> | |
| @no_debug_info_test | |
| def test_process_interrupt(self): | |
| """Test process interrupt and continue.""" | |
| self.build() | |
| exe = self.getBuildArtifact("a.out") | |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) | |
| # This should create a breakpoint in the main thread. | |
| bpno = lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_1, num_expected_locations=1 | |
| ) | |
| # Run the program. | |
| self.runCmd("run", RUN_SUCCEEDED) | |
| # Get the target process | |
| target = self.dbg.GetSelectedTarget() | |
| process = target.GetProcess() | |
| thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) | |
| self.assertIsNotNone(thread) | |
| # Remove the breakpoint to avoid the single-step-over-bkpt dance in the | |
| # "continue" below | |
| self.assertTrue(target.BreakpointDelete(bpno)) | |
| # Continue, the inferior will go into an infinite loop waiting for | |
| # 'g_test' to change. | |
| self.dbg.SetAsync(True) | |
| self.runCmd("continue") | |
| self.wait_for_running_event(process) | |
| # Go back to synchronous interactions | |
| self.dbg.SetAsync(False) | |
| # Stop the process | |
| self.runCmd("process interrupt") | |
| self.assertStopReason(thread.GetStopReason(), lldb.eStopReasonSignal) | |
| # Get the inferior out of its loop | |
| self.runCmd("expression g_test = 1") | |
| # Run to completion | |
| self.runCmd("continue") | |
| def thread_states_test(self): | |
| """Test thread states (comprehensive).""" | |
| exe = self.getBuildArtifact("a.out") | |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) | |
| # This should create a breakpoint in the main thread. | |
| lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_1, num_expected_locations=1 | |
| ) | |
| lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_2, num_expected_locations=1 | |
| ) | |
| # Run the program. | |
| self.runCmd("run", RUN_SUCCEEDED) | |
| # Get the target process | |
| target = self.dbg.GetSelectedTarget() | |
| process = target.GetProcess() | |
| thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) | |
| self.assertIsNotNone(thread) | |
| # Make sure the thread is in the stopped state. | |
| self.assertTrue( | |
| thread.IsStopped(), "Thread state isn't 'stopped' during breakpoint 1." | |
| ) | |
| self.assertFalse( | |
| thread.IsSuspended(), "Thread state is 'suspended' during breakpoint 1." | |
| ) | |
| # Continue, the inferior will go into an infinite loop waiting for | |
| # 'g_test' to change. | |
| self.dbg.SetAsync(True) | |
| self.runCmd("continue") | |
| self.wait_for_running_event(process) | |
| # Check the thread state. It should be running. | |
| self.assertFalse( | |
| thread.IsStopped(), "Thread state is 'stopped' when it should be running." | |
| ) | |
| self.assertFalse( | |
| thread.IsSuspended(), | |
| "Thread state is 'suspended' when it should be running.", | |
| ) | |
| # Go back to synchronous interactions | |
| self.dbg.SetAsync(False) | |
| # Stop the process | |
| self.runCmd("process interrupt") | |
| self.assertStopReason(thread.GetState(), lldb.eStopReasonSignal) | |
| # Check the thread state | |
| self.assertTrue( | |
| thread.IsStopped(), "Thread state isn't 'stopped' after process stop." | |
| ) | |
| self.assertFalse( | |
| thread.IsSuspended(), "Thread state is 'suspended' after process stop." | |
| ) | |
| # Get the inferior out of its loop | |
| self.runCmd("expression g_test = 1") | |
| # Check the thread state | |
| self.assertTrue( | |
| thread.IsStopped(), | |
| "Thread state isn't 'stopped' after expression evaluation.", | |
| ) | |
| self.assertFalse( | |
| thread.IsSuspended(), | |
| "Thread state is 'suspended' after expression evaluation.", | |
| ) | |
| self.assertStopReason(thread.GetState(), lldb.eStopReasonSignal) | |
| # Run to breakpoint 2 | |
| self.runCmd("continue") | |
| self.assertStopReason(thread.GetState(), lldb.eStopReasonBreakpoint) | |
| # Make sure both threads are stopped | |
| self.assertTrue( | |
| thread.IsStopped(), "Thread state isn't 'stopped' during breakpoint 2." | |
| ) | |
| self.assertFalse( | |
| thread.IsSuspended(), "Thread state is 'suspended' during breakpoint 2." | |
| ) | |
| # Run to completion | |
| self.runCmd("continue") | |
| # At this point, the inferior process should have exited. | |
| self.assertState(process.GetState(), lldb.eStateExited, PROCESS_EXITED) |