lldb/test/API/lang/objc/global_ptrs/TestGlobalObjects.py

   1 """Test that a global ObjC object found before the process is started updates correctly."""
   2
   3
   4 import lldb
   5 from lldbsuite.test.decorators import *
   6 from lldbsuite.test.lldbtest import *
   7 from lldbsuite.test import lldbutil
   8
   9
  10 class 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.assertEquals(dyn_value.GetObjectDescription(), "Some NSString")