1"""Test stepping through ObjC method dispatch in various forms.""" 2 3import lldb 4from lldbsuite.test.decorators import * 5from lldbsuite.test.lldbtest import * 6from lldbsuite.test import lldbutil 7 8 9class TestObjCDirectDispatchStepping(TestBase): 10 NO_DEBUG_INFO_TESTCASE = True 11 12 def setUp(self): 13 # Call super's setUp(). 14 TestBase.setUp(self) 15 # Find the line numbers that we will step to in main: 16 self.main_source = lldb.SBFileSpec("stepping-tests.m") 17 18 @add_test_categories(["pyapi", "basic_process"]) 19 def test_with_python_api(self): 20 """Test stepping through the 'direct dispatch' optimized method calls.""" 21 self.build() 22 23 (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint( 24 self, "Stop here to start stepping", self.main_source 25 ) 26 stop_bkpt = target.BreakpointCreateBySourceRegex( 27 "// Stop Location [0-9]+", self.main_source 28 ) 29 self.assertEqual(stop_bkpt.GetNumLocations(), 15) 30 31 # Here we step through all the overridden methods of OverridesALot 32 # The last continue will get us to the call ot OverridesInit. 33 for idx in range(2, 16): 34 thread.StepInto() 35 func_name = thread.GetFrameAtIndex(0).GetFunctionName() 36 self.assertIn( 37 "OverridesALot", 38 func_name, 39 "%d'th step did not match name: %s" % (idx, func_name), 40 ) 41 stop_threads = lldbutil.continue_to_breakpoint(process, stop_bkpt) 42 self.assertEqual(len(stop_threads), 1) 43 self.assertEqual(stop_threads[0], thread) 44 45 thread.StepInto() 46 func_name = thread.GetFrameAtIndex(0).GetFunctionName() 47 self.assertEqual( 48 func_name, "-[OverridesInit init]", "Stopped in [OverridesInit init]" 49 ) 50