| """ |
| Test number of threads. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| 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') |
| |
| 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) |
