""" 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 @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") @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 @expectedFailureAll( oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly", ) @skipIfDarwin # llvm.org/pr15824 thread states not properly maintained and @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 @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)