lldb/test/API/python_api/value/addr_of_void_star/TestValueAPIAddressOfVoidStar.py

   1 import lldb
   2 from lldbsuite.test.decorators import *
   3 from lldbsuite.test.lldbtest import *
   4 from lldbsuite.test import lldbutil
   5
   6
   7 class ValueAPIVoidStarTestCase(TestBase):
   8     def test(self):
   9         self.build()
  10
  11         target, process, thread, _ = lldbutil.run_to_source_breakpoint(
  12             self, "Break at this line", lldb.SBFileSpec("main.c")
  13         )
  14         frame = thread.GetFrameAtIndex(0)
  15
  16         # Verify that the expression result for a void * behaves the same way as the
  17         # variable value.
  18
  19         var_val = frame.FindVariable("void_ptr")
  20         self.assertSuccess(var_val.GetError(), "Var version made correctly")
  21
  22         expr_val = frame.EvaluateExpression("void_ptr")
  23         self.assertSuccess(expr_val.GetError(), "Expr version succeeds")
  24
  25         # The pointer values should be equal:
  26         self.assertEqual(var_val.unsigned, expr_val.unsigned, "Values are equal")
  27
  28         # Both versions should have valid AddressOf, and they should be the same.
  29
  30         val_addr_of = var_val.AddressOf()
  31         self.assertNotEqual(val_addr_of, lldb.LLDB_INVALID_ADDRESS, "Var addr of right")
  32
  33         expr_addr_of = expr_val.AddressOf()
  34         self.assertNotEqual(
  35             expr_addr_of, lldb.LLDB_INVALID_ADDRESS, "Expr addr of right"
  36         )
  37
  38         # The AddressOf values should also be equal.
  39         self.assertEqual(expr_addr_of.unsigned, val_addr_of.unsigned, "Addr of equal")