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      1 """
      2 Tests that C++ member and static variables have correct layout and scope.
      3 """
      4 import lldb
      5 from lldbtest import *
      6 import lldbutil
      7 
      8 class CPPStaticMembersTestCase(TestBase):
      9     
     10     mydir = os.path.join("lang", "cpp", "static_members")
     11     
     12     @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
     13     @unittest2.expectedFailure # llvm.org/pr15401
     14     @dsym_test
     15     def test_with_dsym_and_run_command(self):
     16         """Test that member variables have the correct layout, scope and qualifiers when stopped inside and outside C++ methods"""
     17         self.buildDsym()
     18         self.static_member_commands()
     19 
     20     @unittest2.expectedFailure # llvm.org/pr15401
     21     @dwarf_test
     22     def test_with_dwarf_and_run_command(self):
     23         """Test that member variables have the correct layout, scope and qualifiers when stopped inside and outside C++ methods"""
     24         self.buildDwarf()
     25         self.static_member_commands()
     26 
     27     def setUp(self):
     28         TestBase.setUp(self)
     29     
     30     def set_breakpoint(self, line):
     31         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", line, num_expected_locations=1, loc_exact=False)
     32 
     33     def static_member_commands(self):
     34         """Test that member variables have the correct layout, scope and qualifiers when stopped inside and outside C++ methods"""
     35         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
     36 
     37         self.set_breakpoint(line_number('main.cpp', '// breakpoint 1'))
     38         self.set_breakpoint(line_number('main.cpp', '// breakpoint 2'))
     39 
     40         self.runCmd("process launch", RUN_SUCCEEDED)
     41         self.expect("expression my_a.access()",
     42                     startstr = "(long) $0 = 10")
     43         
     44         self.expect("expression my_a.m_a",
     45                     startstr = "(short) $1 = 1")
     46         
     47         # Note: SymbolFileDWARF::ParseChildMembers doesn't call AddFieldToRecordType, consistent with clang's AST layout.
     48         self.expect("expression my_a.s_d",
     49                     startstr = "(int) $2 = 4")
     50         
     51         self.expect("expression my_a.s_b",
     52                     startstr = "(long) $3 = 2")
     53         
     54         self.expect("expression A::s_b",
     55                     startstr = "(long) $4 = 2")
     56 
     57         # should not be available in global scope 
     58         self.expect("expression s_d",
     59                     startstr = "error: use of undeclared identifier 's_d'")
     60         
     61         self.runCmd("process continue")
     62         self.expect("expression m_c",
     63                     startstr = "(char) $5 = \'\\x03\'")
     64         
     65         self.expect("expression s_b",
     66                     startstr = "(long) $6 = 2")
     67 
     68         self.runCmd("process continue")
     69         
     70 
     71 if __name__ == '__main__':
     72     import atexit
     73     lldb.SBDebugger.Initialize()
     74     atexit.register(lambda: lldb.SBDebugger.Terminate())
     75     unittest2.main()
     76