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