packages/Python/lldbsuite/test/lang/objc/ivar-IMP/TestObjCiVarIMP.py

   1 """
   2 Test that dynamically discovered ivars of type IMP do not crash LLDB
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8
   9 import os, time
  10 import re
  11
  12 import lldb
  13 from lldbsuite.support import seven
  14 from lldbsuite.test.decorators import *
  15 from lldbsuite.test.lldbtest import *
  16 from lldbsuite.test import lldbutil
  17
  18 def execute_command (command):
  19     # print('%% %s' % (command))
  20     (exit_status, output) = seven.get_command_status_output(command)
  21     # if output:
  22     #     print(output)
  23     # print('status = %u' % (exit_status))
  24     return exit_status
  25
  26 class ObjCiVarIMPTestCase(TestBase):
  27
  28     mydir = TestBase.compute_mydir(__file__)
  29
  30     @skipUnlessDarwin
  31     @no_debug_info_test
  32     def test_imp_ivar_type(self):
  33         """Test that dynamically discovered ivars of type IMP do not crash LLDB"""
  34         if self.getArchitecture() == 'i386':
  35             # rdar://problem/9946499
  36             self.skipTest("Dynamic types for ObjC V1 runtime not implemented")
  37
  38         execute_command("make repro")
  39         def cleanup():
  40             execute_command("make cleanup")
  41         self.addTearDownHook(cleanup)
  42
  43         exe = os.path.join(os.getcwd(), "a.out")
  44
  45         # Create a target from the debugger.
  46         target = self.dbg.CreateTarget (exe)
  47         self.assertTrue(target, VALID_TARGET)
  48
  49         # Set up our breakpoint
  50
  51         bkpt = lldbutil.run_break_set_by_source_regexp (self, "break here")
  52
  53         # Now launch the process, and do not stop at the entry point.
  54         process = target.LaunchSimple (None, None, self.get_process_working_directory())
  55
  56         self.assertTrue(process.GetState() == lldb.eStateStopped,
  57                         PROCESS_STOPPED)
  58
  59         self.expect('frame variable --ptr-depth=1 --show-types -d run -- object', substrs=[
  60             '(MyClass *) object = 0x',
  61             '(void *) myImp = 0x'
  62         ])
  63         self.expect('disassemble --start-address `((MyClass*)object)->myImp`', substrs=[
  64             '-[MyClass init]'
  65         ])