1"""Test that a global ObjC object found before the process is started updates correctly."""
2
3
4
5import lldb
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class TestObjCGlobalVar(TestBase):
12
13    def setUp(self):
14        # Call super's setUp().
15        TestBase.setUp(self)
16        self.main_source = lldb.SBFileSpec("main.m")
17
18    @add_test_categories(['pyapi'])
19    def test_with_python_api(self):
20        """Test that a global ObjC object found before the process is started updates correctly."""
21        self.build()
22        exe = self.getBuildArtifact("a.out")
23
24        target = self.dbg.CreateTarget(exe)
25        self.assertTrue(target, VALID_TARGET)
26
27        bkpt = target.BreakpointCreateBySourceRegex('NSLog', self.main_source)
28        self.assertTrue(bkpt, VALID_BREAKPOINT)
29
30        # Before we launch, make an SBValue for our global object pointer:
31        g_obj_ptr = target.FindFirstGlobalVariable("g_obj_ptr")
32        self.assertSuccess(g_obj_ptr.GetError(), "Made the g_obj_ptr")
33        self.assertEqual(
34            g_obj_ptr.GetValueAsUnsigned(10), 0,
35            "g_obj_ptr is initially null")
36
37        # Now launch the process, and do not stop at entry point.
38        process = target.LaunchSimple(
39            None, None, self.get_process_working_directory())
40
41        self.assertTrue(process, PROCESS_IS_VALID)
42
43        # The stop reason of the thread should be breakpoint.
44        threads = lldbutil.get_threads_stopped_at_breakpoint(process, bkpt)
45        if len(threads) != 1:
46            self.fail("Failed to stop at breakpoint 1.")
47
48        thread = threads[0]
49
50        dyn_value = g_obj_ptr.GetDynamicValue(lldb.eDynamicCanRunTarget)
51        self.assertTrue(
52            dyn_value.GetError().Success(),
53            "Dynamic value is valid")
54        self.assertEquals(dyn_value.GetObjectDescription(), "Some NSString")
55