packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py

   1 from __future__ import print_function
   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 ExprCharTestCase(TestBase):
  11
  12     mydir = TestBase.compute_mydir(__file__)
  13
  14     def setUp(self):
  15         # Call super's setUp().
  16         TestBase.setUp(self)
  17
  18         self.main_source = "main.cpp"
  19         self.main_source_spec = lldb.SBFileSpec(self.main_source)
  20         self.exe = os.path.join(os.getcwd(), "a.out")
  21
  22     def do_test(self, dictionary=None):
  23         """These basic expression commands should work as expected."""
  24         self.build(dictionary=dictionary)
  25
  26         target = self.dbg.CreateTarget(self.exe)
  27         self.assertTrue(target)
  28
  29         breakpoint = target.BreakpointCreateBySourceRegex(
  30             '// Break here', self.main_source_spec)
  31         self.assertTrue(breakpoint)
  32
  33         # Launch the process, and do not stop at the entry point.
  34         process = target.LaunchSimple(
  35             None, None, self.get_process_working_directory())
  36         self.assertTrue(process)
  37
  38         threads = lldbutil.get_threads_stopped_at_breakpoint(
  39             process, breakpoint)
  40         self.assertEqual(len(threads), 1)
  41
  42         frame = threads[0].GetFrameAtIndex(0)
  43
  44         value = frame.EvaluateExpression("foo(c)")
  45         self.assertTrue(value.IsValid())
  46         self.assertTrue(value.GetError().Success())
  47         self.assertEqual(value.GetValueAsSigned(0), 1)
  48
  49         value = frame.EvaluateExpression("foo(sc)")
  50         self.assertTrue(value.IsValid())
  51         self.assertTrue(value.GetError().Success())
  52         self.assertEqual(value.GetValueAsSigned(0), 2)
  53
  54         value = frame.EvaluateExpression("foo(uc)")
  55         self.assertTrue(value.IsValid())
  56         self.assertTrue(value.GetError().Success())
  57         self.assertEqual(value.GetValueAsSigned(0), 3)
  58
  59     @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
  60     def test_default_char(self):
  61         self.do_test()
  62
  63     @expectedFailureAll(
  64         archs=[
  65             "arm",
  66             "aarch64",
  67             "s390x"],
  68         bugnumber="llvm.org/pr23069")
  69     @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
  70     def test_signed_char(self):
  71         self.do_test(dictionary={'CFLAGS_EXTRAS': '-fsigned-char'})
  72
  73     @expectedFailureAll(
  74         archs=[
  75             "i[3-6]86",
  76             "x86_64"],
  77         bugnumber="llvm.org/pr23069, <rdar://problem/28721938>")
  78     @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
  79     @expectedFailureAll(triple='mips*', bugnumber="llvm.org/pr23069")
  80     def test_unsigned_char(self):
  81         self.do_test(dictionary={'CFLAGS_EXTRAS': '-funsigned-char'})