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