62 lines · python
1"""2Make sure the stop reason of a thread that did not run3during an expression is not changed by running the expression4"""5 6 7import lldb8import lldbsuite.test.lldbutil as lldbutil9from lldbsuite.test.lldbtest import *10from lldbsuite.test.decorators import *11 12 13class TestStopReasonAfterExpression(TestBase):14 @skipIfWindows15 @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr48415")16 @expectedFlakeyNetBSD17 def test_thread_state_after_expr(self):18 self.build()19 self.main_source_file = lldb.SBFileSpec("main.cpp")20 self.do_test()21 22 def do_test(self):23 (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(24 self, "Set a breakpoint here", self.main_source_file25 )26 27 self.assertEqual(bkpt.GetNumLocations(), 2, "Got two locations")28 29 # So now thread holds the main thread. Continue to hit the30 # breakpoint again on the spawned thread:31 32 threads = lldbutil.continue_to_breakpoint(process, bkpt)33 self.assertEqual(len(threads), 1, "Hit the breakpoint the second time")34 other_thread = threads[0]35 36 self.assertNotEqual(37 thread.GetThreadID(), other_thread.GetThreadID(), "A different thread"38 )39 # Run an expression ONLY on other_thread. Don't let thread run:40 options = lldb.SBExpressionOptions()41 options.SetTryAllThreads(False)42 options.SetStopOthers(True)43 44 result = thread.frames[0].EvaluateExpression(45 '(int) printf("Hello\\n")', options46 )47 self.assertSuccess(result.GetError(), "Expression failed")48 49 stop_reason = other_thread.GetStopReason()50 51 self.assertStopReason(52 stop_reason,53 lldb.eStopReasonBreakpoint,54 "Still records stopped at breakpoint: %s"55 % (lldbutil.stop_reason_to_str(stop_reason)),56 )57 self.assertEqual(58 other_thread.GetStopReasonDataAtIndex(0),59 1,60 "Still records stopped at right breakpoint",61 )62