| """Test printing ObjC objects that use unbacked properties - so that the static ivar offsets are incorrect.""" |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class TestObjCIvarStripped(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @python_api_test |
| @dsym_test |
| def test_with_dsym_and_python_api(self): |
| """Test that we can find stripped Objective-C ivars in the runtime""" |
| self.buildDsym() |
| self.objc_ivar_offsets() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line numbers to break inside main(). |
| self.main_source = "main.m" |
| self.stop_line = line_number(self.main_source, '// Set breakpoint here.') |
| |
| def objc_ivar_offsets(self): |
| """Test that we can find stripped Objective-C ivars in the runtime""" |
| exe = os.path.join(os.getcwd(), "a.out.stripped") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| breakpoint = target.BreakpointCreateByLocation(self.main_source, self.stop_line) |
| self.assertTrue(breakpoint.IsValid() and breakpoint.GetNumLocations() > 0, VALID_BREAKPOINT) |
| |
| process = target.LaunchSimple (None, None, self.get_process_working_directory()) |
| self.assertTrue (process, "Created a process.") |
| self.assertTrue (process.GetState() == lldb.eStateStopped, "Stopped it too.") |
| |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint) |
| self.assertTrue (len(thread_list) == 1) |
| thread = thread_list[0] |
| |
| frame = thread.GetFrameAtIndex(0) |
| self.assertTrue (frame, "frame 0 is valid") |
| |
| # Test the expression for mc->_foo |
| |
| error = lldb.SBError() |
| |
| ivar = frame.EvaluateExpression ("(mc->_foo)") |
| self.assertTrue(ivar, "Got result for mc->_foo") |
| ivar_value = ivar.GetValueAsSigned (error) |
| self.assertTrue (error.Success()) |
| self.assertTrue (ivar_value == 3) |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
