1"""
2Tests that C++ member and static variables have correct layout and scope.
3"""
4import lldb
5from lldbtest import *
6import lldbutil
7
8class 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
71if __name__ == '__main__':
72    import atexit
73    lldb.SBDebugger.Initialize()
74    atexit.register(lambda: lldb.SBDebugger.Terminate())
75    unittest2.main()
76