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 TestObjCIvarOffsets(TestBase): 10 11 mydir = os.path.join("lang", "objc", "objc-ivar-offsets") 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 printing ObjC objects that use unbacked properties""" 18 self.buildDsym() 19 self.objc_ivar_offsets() 20 21 @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") 22 @python_api_test 23 @dwarf_test 24 def test_with_dwarf_and_python_api(self): 25 """Test printing ObjC objects that use unbacked properties""" 26 self.buildDwarf() 27 self.objc_ivar_offsets() 28 29 def setUp(self): 30 # Call super's setUp(). 31 TestBase.setUp(self) 32 # Find the line numbers to break inside main(). 33 self.main_source = "main.m" 34 self.stop_line = line_number(self.main_source, '// Set breakpoint here.') 35 36 def objc_ivar_offsets(self): 37 """Use Python APIs to test stepping into ObjC methods.""" 38 exe = os.path.join(os.getcwd(), "a.out") 39 40 target = self.dbg.CreateTarget(exe) 41 self.assertTrue(target, VALID_TARGET) 42 43 breakpoint = target.BreakpointCreateByLocation(self.main_source, self.stop_line) 44 self.assertTrue(breakpoint, VALID_BREAKPOINT) 45 46 process = target.LaunchSimple (None, None, os.getcwd()) 47 self.assertTrue (process, "Created a process.") 48 self.assertTrue (process.GetState() == lldb.eStateStopped, "Stopped it too.") 49 50 thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint) 51 self.assertTrue (len(thread_list) == 1) 52 thread = thread_list[0] 53 54 frame = thread.GetFrameAtIndex(0) 55 self.assertTrue (frame, "frame 0 is valid") 56 57 mine = thread.GetFrameAtIndex(0).FindVariable("mine") 58 self.assertTrue(mine, "Found local variable mine.") 59 60 # Test the value object value for BaseClass->_backed_int 61 62 error = lldb.SBError() 63 64 mine_backed_int = mine.GetChildMemberWithName ("_backed_int") 65 self.assertTrue(mine_backed_int, "Found mine->backed_int local variable.") 66 backed_value = mine_backed_int.GetValueAsSigned (error) 67 self.assertTrue (error.Success()) 68 self.assertTrue (backed_value == 1111) 69 70 # Test the value object value for DerivedClass->_derived_backed_int 71 72 mine_derived_backed_int = mine.GetChildMemberWithName ("_derived_backed_int") 73 self.assertTrue(mine_derived_backed_int, "Found mine->derived_backed_int local variable.") 74 derived_backed_value = mine_derived_backed_int.GetValueAsSigned (error) 75 self.assertTrue (error.Success()) 76 self.assertTrue (derived_backed_value == 3333) 77 78 # Make sure we also get bit-field offsets correct: 79 80 mine_flag2 = mine.GetChildMemberWithName ("flag2") 81 self.assertTrue(mine_flag2, "Found mine->flag2 local variable.") 82 flag2_value = mine_flag2.GetValueAsUnsigned (error) 83 self.assertTrue (error.Success()) 84 self.assertTrue (flag2_value == 7) 85 86 if __name__ == '__main__': 87 import atexit 88 lldb.SBDebugger.Initialize() 89 atexit.register(lambda: lldb.SBDebugger.Terminate()) 90 unittest2.main() 91
