| """ |
| Test thread states. |
| """ |
| |
| |
| 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" |
| ) |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24660") |
| 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") |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24660") |
| @expectedFailureNetBSD |
| # thread states not properly maintained |
| @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 |
| @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() |
| if lldb.remote_platform: |
| lldbutil.expect_state_changes( |
| self, listener, process, [lldb.eStateConnected] |
| ) |
| 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) |
