| """ |
| 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): |
| 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() |
| 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.assertState(process.GetState(), lldb.eStateExited, PROCESS_EXITED) |