| """ | |
| Test number of threads. | |
| """ | |
| import lldb | |
| from lldbsuite.test.decorators import * | |
| from lldbsuite.test.lldbtest import * | |
| import lldbsuite.test.lldbutil as lldbutil | |
| class ThreadExitTestCase(TestBase): | |
| mydir = TestBase.compute_mydir(__file__) | |
| 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') | |
| self.break_3 = line_number('main.cpp', '// Set third breakpoint here') | |
| self.break_4 = line_number('main.cpp', '// Set fourth breakpoint here') | |
| @skipIfWindows # This is flakey on Windows: llvm.org/pr38373 | |
| def test(self): | |
| """Test thread exit handling.""" | |
| self.build(dictionary=self.getBuildFlags()) | |
| exe = self.getBuildArtifact("a.out") | |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) | |
| # This should create a breakpoint with 1 location. | |
| bp1_id = lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_1, num_expected_locations=1) | |
| bp2_id = lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_2, num_expected_locations=1) | |
| bp3_id = lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_3, num_expected_locations=1) | |
| bp4_id = lldbutil.run_break_set_by_file_and_line( | |
| self, "main.cpp", self.break_4, num_expected_locations=1) | |
| # The breakpoint list should show 1 locations. | |
| self.expect( | |
| "breakpoint list -f", | |
| "Breakpoint location shown correctly", | |
| substrs=[ | |
| "1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % | |
| self.break_1, | |
| "2: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % | |
| self.break_2, | |
| "3: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % | |
| self.break_3, | |
| "4: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % | |
| self.break_4]) | |
| # Run the program. | |
| self.runCmd("run", RUN_SUCCEEDED) | |
| # Get the target process | |
| target = self.dbg.GetSelectedTarget() | |
| process = target.GetProcess() | |
| stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id( | |
| process, bp1_id) | |
| self.assertIsNotNone(stopped_thread, | |
| "Process is not stopped at breakpoint 1") | |
| # Get the number of threads | |
| num_threads = process.GetNumThreads() | |
| self.assertGreaterEqual( | |
| num_threads, | |
| 2, | |
| 'Number of expected threads and actual threads do not match at breakpoint 1.') | |
| # Run to the second breakpoint | |
| self.runCmd("continue") | |
| stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id( | |
| process, bp2_id) | |
| self.assertIsNotNone(stopped_thread, | |
| "Process is not stopped at breakpoint 2") | |
| # Update the number of threads | |
| new_num_threads = process.GetNumThreads() | |
| self.assertEqual( | |
| new_num_threads, | |
| num_threads + 1, | |
| 'Number of expected threads did not increase by 1 at bp 2.') | |
| # Run to the third breakpoint | |
| self.runCmd("continue") | |
| stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id( | |
| process, bp3_id) | |
| self.assertIsNotNone(stopped_thread, | |
| "Process is not stopped at breakpoint 3") | |
| # Update the number of threads | |
| new_num_threads = process.GetNumThreads() | |
| self.assertEqual( | |
| new_num_threads, | |
| num_threads, | |
| 'Number of expected threads is not equal to original number of threads at bp 3.') | |
| # Run to the fourth breakpoint | |
| self.runCmd("continue") | |
| stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id( | |
| process, bp4_id) | |
| self.assertIsNotNone(stopped_thread, | |
| "Process is not stopped at breakpoint 4") | |
| # Update the number of threads | |
| new_num_threads = process.GetNumThreads() | |
| self.assertEqual( | |
| new_num_threads, | |
| num_threads - 1, | |
| 'Number of expected threads did not decrease by 1 at bp 4.') | |
| # Run to completion | |
| self.runCmd("continue") | |
| # At this point, the inferior process should have exited. | |
| self.assertEqual(process.GetState(), lldb.eStateExited, PROCESS_EXITED) |