| """ |
| Test that we recover gracefully from evaluating a breakpoint condition that crashes. |
| """ |
| |
| |
| import lldb |
| import lldbsuite.test.lldbutil as lldbutil |
| from lldbsuite.test.lldbtest import * |
| |
| |
| class TestCrashingCondition(TestBase): |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| def test_crashing_condition(self): |
| """Test that if a condition crashes we stop and recover cleanly""" |
| self.build() |
| self.main_source_file = lldb.SBFileSpec("main.c") |
| self.do_crash_condition() |
| |
| def do_crash_condition(self): |
| """Test that if a condition crashes we stop and recover cleanly""" |
| |
| # This function starts a process, "a.out" by default, sets a source |
| # breakpoint, runs to it, and returns the thread, process & target. |
| # It optionally takes an SBLaunchOption argument if you want to pass |
| # arguments or environment variables. |
| (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint( |
| self, "Set a start breakpoint here", self.main_source_file |
| ) |
| |
| # Set a breakpoint with a condition that crashes on the next line: |
| bad_bkpt = target.BreakpointCreateBySourceRegex( |
| "Set the test breakpoint here", self.main_source_file |
| ) |
| self.assertGreater( |
| bad_bkpt.GetNumLocations(), 0, "Found locations for our breakpoint" |
| ) |
| bad_bkpt.SetCondition("do_crash()") |
| |
| self.runCmd("continue") |
| |
| self.assertState(process.state, lldb.eStateStopped) |
| self.assertStopReason(thread.stop_reason, lldb.eStopReasonBreakpoint) |
| |
| # Now we should be able to continue to the real crash: |
| error = lldb.SBError() |
| self.runCmd("continue") |
| |
| # We should have crashed. |
| self.assertState(process.state, lldb.eStateStopped) |
| # We don't actually know what stop reason a given system will |
| # report - it could be eStopReasonException or eStopReasonSignal |
| is_crash = ( |
| thread.stop_reason == lldb.eStopReasonException |
| or thread.stop_reason == lldb.eStopReasonSignal |
| ) |
| self.assertIn(thread.stop_reason, [lldb.eStopReasonException, lldb.eStopReasonSignal], "Ran to the actual crash") |
