1"""Test printing ObjC objects that use unbacked properties - so that the static ivar offsets are incorrect."""
2
3
4
5import lldb
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class TestObjCIvarOffsets(TestBase):
12
13    def setUp(self):
14        # Call super's setUp().
15        TestBase.setUp(self)
16        # Find the line numbers to break inside main().
17        self.main_source = "main.m"
18        self.stop_line = line_number(
19            self.main_source, '// Set breakpoint here.')
20
21    @add_test_categories(['pyapi'])
22    def test_with_python_api(self):
23        """Test printing ObjC objects that use unbacked properties"""
24        self.build()
25        exe = self.getBuildArtifact("a.out")
26
27        target = self.dbg.CreateTarget(exe)
28        self.assertTrue(target, VALID_TARGET)
29
30        breakpoint = target.BreakpointCreateByLocation(
31            self.main_source, self.stop_line)
32        self.assertTrue(breakpoint, VALID_BREAKPOINT)
33
34        process = target.LaunchSimple(
35            None, None, self.get_process_working_directory())
36        self.assertTrue(process, "Created a process.")
37        self.assertEqual(
38            process.GetState(), lldb.eStateStopped,
39            "Stopped it too.")
40
41        thread_list = lldbutil.get_threads_stopped_at_breakpoint(
42            process, breakpoint)
43        self.assertEquals(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        mine = thread.GetFrameAtIndex(0).FindVariable("mine")
50        self.assertTrue(mine, "Found local variable mine.")
51
52        # Test the value object value for BaseClass->_backed_int
53
54        error = lldb.SBError()
55
56        mine_backed_int = mine.GetChildMemberWithName("_backed_int")
57        self.assertTrue(
58            mine_backed_int,
59            "Found mine->backed_int local variable.")
60        backed_value = mine_backed_int.GetValueAsSigned(error)
61        self.assertSuccess(error)
62        self.assertEquals(backed_value, 1111)
63
64        # Test the value object value for DerivedClass->_derived_backed_int
65
66        mine_derived_backed_int = mine.GetChildMemberWithName(
67            "_derived_backed_int")
68        self.assertTrue(mine_derived_backed_int,
69                        "Found mine->derived_backed_int local variable.")
70        derived_backed_value = mine_derived_backed_int.GetValueAsSigned(error)
71        self.assertSuccess(error)
72        self.assertEquals(derived_backed_value, 3333)
73
74        # Make sure we also get bit-field offsets correct:
75
76        mine_flag2 = mine.GetChildMemberWithName("flag2")
77        self.assertTrue(mine_flag2, "Found mine->flag2 local variable.")
78        flag2_value = mine_flag2.GetValueAsUnsigned(error)
79        self.assertSuccess(error)
80        self.assertEquals(flag2_value, 7)
81