| """Test that lldb reliably catches the inferior crashing.""" |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| |
| class CrashingInferiorTestCase(TestBase): |
| |
| mydir = os.path.join("functionalities", "inferior-crashing") |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| def test_inferior_crashing_dsym(self): |
| """Test that lldb reliably catches the inferior crashing (command).""" |
| self.buildDsym() |
| self.inferior_crashing() |
| |
| def test_inferior_crashing_dwarf(self): |
| """Test that lldb reliably catches the inferior crashing (command).""" |
| self.buildDwarf() |
| self.inferior_crashing() |
| |
| @python_api_test |
| def test_inferior_crashing_python(self): |
| """Test that lldb reliably catches the inferior crashing (Python API).""" |
| self.buildDefault() |
| self.inferior_crashing_python() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number of the crash. |
| self.line = line_number('main.c', '// Crash here.') |
| |
| def inferior_crashing(self): |
| """Inferior crashes upon launching; lldb should catch the event and stop.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be a bad access exception. |
| self.expect("thread list", STOPPED_DUE_TO_EXC_BAD_ACCESS, |
| substrs = ['stopped', |
| 'stop reason = EXC_BAD_ACCESS']) |
| |
| # And it should report the correct line number. |
| self.expect("thread backtrace all", |
| substrs = ['stop reason = EXC_BAD_ACCESS', |
| 'main.c:%d' % self.line]) |
| |
| def inferior_crashing_python(self): |
| """Inferior crashes upon launching; lldb should catch the event and stop.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| # Now launch the process, and do not stop at entry point. |
| # Both argv and envp are null. |
| process = target.LaunchSimple(None, None, os.getcwd()) |
| |
| import lldbutil |
| if process.GetState() != lldb.eStateStopped: |
| self.fail("Process should be in the 'stopped' state, " |
| "instead the actual state is: '%s'" % |
| lldbutil.state_type_to_str(process.GetState())) |
| |
| thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonException) |
| if not thread: |
| self.fail("Fail to stop the thread upon bad access exception") |
| |
| if self.TraceOn(): |
| lldbutil.print_stacktrace(thread) |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |