lldb/test/API/lang/c/unions/TestUnionMembers.py

   1 import lldb
   2 from lldbsuite.test.lldbtest import *
   3 import lldbsuite.test.lldbutil as lldbutil
   4
   5
   6 class TestUnionMembers(TestBase):
   7     def test_union_members(self):
   8         self._load_exe()
   9
  10         # Set breakpoints
  11         bp = self.target.BreakpointCreateBySourceRegex("Break here", self.src_file_spec)
  12         self.assertTrue(bp.IsValid() and bp.GetNumLocations() >= 1, VALID_BREAKPOINT)
  13
  14         # Launch the process
  15         self.process = self.target.LaunchSimple(
  16             None, None, self.get_process_working_directory()
  17         )
  18         self.assertTrue(self.process.IsValid(), PROCESS_IS_VALID)
  19         self.assertEqual(self.process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
  20
  21         thread = lldbutil.get_stopped_thread(self.process, lldb.eStopReasonBreakpoint)
  22         self.assertTrue(thread.IsValid())
  23         frame = thread.GetSelectedFrame()
  24         self.assertTrue(frame.IsValid())
  25
  26         val = frame.EvaluateExpression("u")
  27         self.assertTrue(val.IsValid())
  28         val = frame.EvaluateExpression("u.s")
  29         self.assertTrue(val.IsValid())
  30         self.assertEqual(val.GetNumChildren(), 2)
  31
  32     def _load_exe(self):
  33         self.build()
  34
  35         src_file = os.path.join(self.getSourceDir(), "main.c")
  36         self.src_file_spec = lldb.SBFileSpec(src_file)
  37         self.assertTrue(self.src_file_spec.IsValid(), "breakpoint file")
  38
  39         # Get the path of the executable
  40         exe_path = self.getBuildArtifact("a.out")
  41
  42         # Load the executable
  43         self.target = self.dbg.CreateTarget(exe_path)
  44         self.assertTrue(self.target.IsValid(), VALID_TARGET)