lldb/test/API/lang/objc/objc-static-method-stripped/TestObjCStaticMethodStripped.py

   1 """Test calling functions in static methods with a stripped binary."""
   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 TestObjCStaticMethodStripped(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     @skipIf(
  20         debug_info=no_match("dsym"),
  21         bugnumber="This test requires a stripped binary and a dSYM",
  22     )
  23     # <rdar://problem/12042992>
  24     def test_with_python_api(self):
  25         """Test calling functions in static methods with a stripped binary."""
  26         if self.getArchitecture() == "i386":
  27             self.skipTest("requires modern objc runtime")
  28         self.build()
  29         exe = self.getBuildArtifact("a.out")
  30
  31         target = self.dbg.CreateTarget(exe)
  32         self.assertTrue(target, VALID_TARGET)
  33
  34         bpt = target.BreakpointCreateByLocation(self.main_source, self.break_line)
  35         self.assertTrue(bpt, VALID_BREAKPOINT)
  36
  37         # Now launch the process, and do not stop at entry point.
  38         process = target.LaunchSimple(None, None, self.get_process_working_directory())
  39
  40         self.assertTrue(process, PROCESS_IS_VALID)
  41
  42         # The stop reason of the thread should be breakpoint.
  43         thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, bpt)
  44
  45         # Make sure we stopped at the first breakpoint.
  46         self.assertNotEqual(len(thread_list), 0, "No thread stopped at our breakpoint.")
  47         self.assertEquals(
  48             len(thread_list), 1, "More than one thread stopped at our breakpoint."
  49         )
  50
  51         # Now make sure we can call a function in the static method we've
  52         # stopped in.
  53         frame = thread_list[0].GetFrameAtIndex(0)
  54         self.assertTrue(frame, "Got a valid frame 0 frame.")
  55
  56         cmd_value = frame.EvaluateExpression("(char *) sel_getName (_cmd)")
  57         self.assertTrue(cmd_value.IsValid())
  58         sel_name = cmd_value.GetSummary()
  59         self.assertEqual(
  60             sel_name,
  61             '"doSomethingWithString:"',
  62             "Got the right value for the selector as string.",
  63         )
  64
  65         cmd_value = frame.EvaluateExpression("[Foo doSomethingElseWithString:string]")
  66         self.assertTrue(cmd_value.IsValid())
  67         string_length = cmd_value.GetValueAsUnsigned()
  68         self.assertEqual(
  69             string_length,
  70             27,
  71             "Got the right value from another class method on the same class.",
  72         )