lldb/test/API/lang/objc/objc-static-method/TestObjCStaticMethod.py

   1 """Test calling functions in static methods."""
   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 TestObjCStaticMethod(TestBase):
  11     def setUp(self):
  12         # Call super's setUp().
  13         TestBase.setUp(self)
  14         # Find the line numbers to break inside main().
  15         self.main_source = "static.m"
  16         self.break_line = line_number(self.main_source, "// Set breakpoint here.")
  17
  18     @add_test_categories(["pyapi"])
  19     # <rdar://problem/9745789> "expression" can't call functions in class methods
  20     def test_with_python_api(self):
  21         """Test calling functions in static methods."""
  22         self.build()
  23         exe = self.getBuildArtifact("a.out")
  24
  25         target = self.dbg.CreateTarget(exe)
  26         self.assertTrue(target, VALID_TARGET)
  27
  28         bpt = target.BreakpointCreateByLocation(self.main_source, self.break_line)
  29         self.assertTrue(bpt, VALID_BREAKPOINT)
  30
  31         # Now launch the process, and do not stop at entry point.
  32         process = target.LaunchSimple(None, None, self.get_process_working_directory())
  33
  34         self.assertTrue(process, PROCESS_IS_VALID)
  35
  36         # The stop reason of the thread should be breakpoint.
  37         thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, bpt)
  38
  39         # Make sure we stopped at the first breakpoint.
  40         self.assertNotEqual(len(thread_list), 0, "No thread stopped at our breakpoint.")
  41         self.assertEqual(
  42             len(thread_list), 1, "More than one thread stopped at our breakpoint."
  43         )
  44
  45         # Now make sure we can call a function in the static method we've
  46         # stopped in.
  47         frame = thread_list[0].GetFrameAtIndex(0)
  48         self.assertTrue(frame, "Got a valid frame 0 frame.")
  49
  50         cmd_value = frame.EvaluateExpression("(char *) sel_getName (_cmd)")
  51         self.assertTrue(cmd_value.IsValid())
  52         sel_name = cmd_value.GetSummary()
  53         self.assertEqual(
  54             sel_name,
  55             '"doSomethingWithString:"',
  56             "Got the right value for the selector as string.",
  57         )
  58
  59         cmd_value = frame.EvaluateExpression("[self doSomethingElseWithString:string]")
  60         self.assertTrue(cmd_value.IsValid())
  61         string_length = cmd_value.GetValueAsUnsigned()
  62         self.assertEqual(
  63             string_length,
  64             27,
  65             "Got the right value from another class method on the same class.",
  66         )