lldb/test/API/lang/cpp/union-static-data-members/TestCppUnionStaticMembers.py

   1 """
   2 Tests that frame variable and expr work for
   3 C++ unions and their static data members.
   4 """
   5 import lldb
   6 from lldbsuite.test.lldbtest import *
   7 from lldbsuite.test.decorators import *
   8 import lldbsuite.test.lldbutil as lldbutil
   9
  10 class CppUnionStaticMembersTestCase(TestBase):
  11     def test_print_union(self):
  12         """Tests that frame variable and expr work
  13         for union with static data members"""
  14         self.build()
  15
  16         (target, process, main_thread, _) = lldbutil.run_to_source_breakpoint(
  17             self, "return 0", lldb.SBFileSpec("main.cpp")
  18         )
  19
  20         self.expect("frame variable foo", substrs=["val = 42"])
  21         self.expect("frame variable bar", substrs=["val = 137"])
  22
  23         self.expect_expr("foo", result_type="Foo", result_children=[ValueCheck(
  24                 name="val", value="42"
  25             )])
  26         self.expect_expr("bar", result_type="Bar", result_children=[ValueCheck(
  27                 name="val", value="137"
  28             )])
  29
  30     @expectedFailureWindows
  31     def test_expr_union_static_members(self):
  32         """Tests that frame variable and expr work
  33         for union static data members"""
  34         self.build()
  35
  36         (target, process, main_thread, _) = lldbutil.run_to_source_breakpoint(
  37             self, "return 0", lldb.SBFileSpec("main.cpp")
  38         )
  39
  40         self.expect_expr("Foo::sVal1", result_type="const int", result_value="-42")
  41         self.expect_expr("Foo::sVal2", result_type="Foo", result_children=[ValueCheck(
  42                 name="val", value="42"
  43             )])
  44
  45     @expectedFailureAll
  46     def test_union_in_anon_namespace(self):
  47         """Tests that frame variable and expr work
  48            for union static data members in anonymous
  49            namespaces"""
  50         self.build()
  51
  52         (target, process, main_thread, _) = lldbutil.run_to_source_breakpoint(
  53             self, "return 0", lldb.SBFileSpec("main.cpp")
  54         )
  55
  56         self.expect_expr("Bar::sVal1", result_type="const int", result_value="-137")
  57         self.expect_expr("Bar::sVal2", result_type="Bar", result_children=[ValueCheck(
  58                 name="val", value="137"
  59             )])