lldb/test/API/lang/objc/foundation/TestObjectDescriptionAPI.py

   1 """
   2 Test SBValue.GetObjectDescription() with the value from SBTarget.FindGlobalVariables().
   3 """
   4
   5 import lldb
   6 from lldbsuite.test.decorators import *
   7 from lldbsuite.test.lldbtest import *
   8 from lldbsuite.test import lldbutil
   9
  10
  11 class ObjectDescriptionAPITestCase(TestBase):
  12     def setUp(self):
  13         # Call super's setUp().
  14         TestBase.setUp(self)
  15         # Find the line number to break at.
  16         self.source = "main.m"
  17         self.line = line_number(self.source, "// Set break point at this line.")
  18
  19     # rdar://problem/10857337
  20     @add_test_categories(["pyapi"])
  21     def test_find_global_variables_then_object_description(self):
  22         """Exercise SBTarget.FindGlobalVariables() API."""
  23         d = {"EXE": "b.out"}
  24         self.build(dictionary=d)
  25         self.setTearDownCleanup(dictionary=d)
  26         exe = self.getBuildArtifact("b.out")
  27
  28         # Create a target by the debugger.
  29         target = self.dbg.CreateTarget(exe)
  30         self.assertTrue(target, VALID_TARGET)
  31
  32         breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
  33         self.assertTrue(breakpoint, VALID_BREAKPOINT)
  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         self.assertTrue(process, PROCESS_IS_VALID)
  38         # Make sure we hit our breakpoint:
  39         thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, breakpoint)
  40         self.assertEqual(len(thread_list), 1)
  41
  42         thread = thread_list[0]
  43         frame0 = thread.GetFrameAtIndex(0)
  44
  45         # Note my_global_str's object description prints fine here.
  46         value_list1 = frame0.GetVariables(True, True, True, True)
  47         for v in value_list1:
  48             self.DebugSBValue(v)
  49             if self.TraceOn():
  50                 print("val:", v)
  51                 print("object description:", v.GetObjectDescription())
  52             if v.GetName() == "my_global_str":
  53                 self.assertEqual(v.GetObjectDescription(), "This is a global string")
  54
  55         # But not here!
  56         value_list2 = target.FindGlobalVariables("my_global_str", 3)
  57         for v in value_list2:
  58             self.DebugSBValue(v)
  59             if self.TraceOn():
  60                 print("val:", v)
  61                 print("object description:", v.GetObjectDescription())
  62             if v.GetName() == "my_global_str":
  63                 self.assertEqual(v.GetObjectDescription(), "This is a global string")