packages/Python/lldbsuite/test/expression_command/pr35310/TestExprsBug35310.py

   1 from __future__ import print_function
   2
   3 import lldb
   4 from lldbsuite.test.decorators import *
   5 from lldbsuite.test.lldbtest import *
   6 from lldbsuite.test import lldbutil
   7
   8 class ExprBug35310(TestBase):
   9
  10     mydir = TestBase.compute_mydir(__file__)
  11
  12     def setUp(self):
  13         # Call super's setUp().
  14         TestBase.setUp(self)
  15
  16         self.main_source = "main.cpp"
  17         self.main_source_spec = lldb.SBFileSpec(self.main_source)
  18
  19     def test_issue35310(self):
  20         """Test invoking functions with non-standard linkage names.
  21
  22         The GNU abi_tag extension used by libstdc++ is a common source
  23         of these, but they could originate from other reasons as well.
  24         """
  25         self.build()
  26
  27         (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
  28                                           '// Break here', self.main_source_spec)
  29         frame = thread.GetFrameAtIndex(0)
  30
  31         value = frame.EvaluateExpression("a.test_abi_tag()")
  32         self.assertTrue(value.IsValid())
  33         self.assertTrue(value.GetError().Success())
  34         self.assertEqual(value.GetValueAsSigned(0), 1)
  35
  36         value = frame.EvaluateExpression("a.test_asm_name()")
  37         self.assertTrue(value.IsValid())
  38         self.assertTrue(value.GetError().Success())
  39         self.assertEqual(value.GetValueAsSigned(0), 2)