1 """Test printing ObjC objects that use unbacked properties - so that the static ivar offsets are incorrect.""" 2 3 import os, time 4 import unittest2 5 import lldb 6 from lldbtest import * 7 import lldbutil 8 9 class TestObjCIvarStripped(TestBase): 10 11 mydir = os.path.join("lang", "objc", "objc-ivar-stripped") 12 13 @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 14 @python_api_test 15 @dsym_test 16 def test_with_dsym_and_python_api(self): 17 """Test that we can find stripped Objective-C ivars in the runtime""" 18 self.buildDsym() 19 self.objc_ivar_offsets() 20 21 def setUp(self): 22 # Call super's setUp(). 23 TestBase.setUp(self) 24 # Find the line numbers to break inside main(). 25 self.main_source = "main.m" 26 self.stop_line = line_number(self.main_source, '// Set breakpoint here.') 27 28 def objc_ivar_offsets(self): 29 """Test that we can find stripped Objective-C ivars in the runtime""" 30 exe = os.path.join(os.getcwd(), "a.out.stripped") 31 32 target = self.dbg.CreateTarget(exe) 33 self.assertTrue(target, VALID_TARGET) 34 35 breakpoint = target.BreakpointCreateByLocation(self.main_source, self.stop_line) 36 self.assertTrue(breakpoint, VALID_BREAKPOINT) 37 38 process = target.LaunchSimple (None, None, os.getcwd()) 39 self.assertTrue (process, "Created a process.") 40 self.assertTrue (process.GetState() == lldb.eStateStopped, "Stopped it too.") 41 42 thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint) 43 self.assertTrue (len(thread_list) == 1) 44 thread = thread_list[0] 45 46 frame = thread.GetFrameAtIndex(0) 47 self.assertTrue (frame, "frame 0 is valid") 48 49 # Test the expression for mc->_foo 50 51 error = lldb.SBError() 52 53 ivar = frame.EvaluateExpression ("(mc->_foo)") 54 self.assertTrue(ivar, "Got result for mc->_foo") 55 ivar_value = ivar.GetValueAsSigned (error) 56 self.assertTrue (error.Success()) 57 self.assertTrue (ivar_value == 3) 58 59 if __name__ == '__main__': 60 import atexit 61 lldb.SBDebugger.Initialize() 62 atexit.register(lambda: lldb.SBDebugger.Terminate()) 63 unittest2.main() 64
