50 lines · python
1"""Test that a global ObjC object found before the process is started updates correctly."""2 3 4import lldb5from lldbsuite.test.decorators import *6from lldbsuite.test.lldbtest import *7from lldbsuite.test import lldbutil8 9 10class TestObjCGlobalVar(TestBase):11 def setUp(self):12 # Call super's setUp().13 TestBase.setUp(self)14 self.main_source = lldb.SBFileSpec("main.m")15 16 @add_test_categories(["pyapi"])17 def test_with_python_api(self):18 """Test that a global ObjC object found before the process is started updates correctly."""19 self.build()20 exe = self.getBuildArtifact("a.out")21 22 target = self.dbg.CreateTarget(exe)23 self.assertTrue(target, VALID_TARGET)24 25 bkpt = target.BreakpointCreateBySourceRegex("NSLog", self.main_source)26 self.assertTrue(bkpt, VALID_BREAKPOINT)27 28 # Before we launch, make an SBValue for our global object pointer:29 g_obj_ptr = target.FindFirstGlobalVariable("g_obj_ptr")30 self.assertSuccess(g_obj_ptr.GetError(), "Made the g_obj_ptr")31 self.assertEqual(32 g_obj_ptr.GetValueAsUnsigned(10), 0, "g_obj_ptr is initially null"33 )34 35 # Now launch the process, and do not stop at entry point.36 process = target.LaunchSimple(None, None, self.get_process_working_directory())37 38 self.assertTrue(process, PROCESS_IS_VALID)39 40 # The stop reason of the thread should be breakpoint.41 threads = lldbutil.get_threads_stopped_at_breakpoint(process, bkpt)42 if len(threads) != 1:43 self.fail("Failed to stop at breakpoint 1.")44 45 thread = threads[0]46 47 dyn_value = g_obj_ptr.GetDynamicValue(lldb.eDynamicCanRunTarget)48 self.assertTrue(dyn_value.GetError().Success(), "Dynamic value is valid")49 self.assertEqual(dyn_value.GetObjectDescription(), "Some NSString")50