xref: /llvm-project/lldb/test/API/lang/cpp/dynamic-value-same-basename/TestDynamicValueSameBase.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53) 
1"""
2Make sure if we have two classes with the same base name the
3dynamic value calculator doesn't confuse them
4"""
5
6
7import lldb
8import lldbsuite.test.lldbutil as lldbutil
9from lldbsuite.test.lldbtest import *
10
11
12class DynamicValueSameBaseTestCase(TestBase):
13    # If your test case doesn't stress debug info, then
14    # set this to true.  That way it won't be run once for
15    # each debug info format.
16    NO_DEBUG_INFO_TESTCASE = True
17
18    def test_same_basename_this(self):
19        """Test that the we use the full name to resolve dynamic types."""
20        self.build()
21        self.main_source_file = lldb.SBFileSpec("main.cpp")
22        self.sample_test()
23
24    def sample_test(self):
25        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
26            self, "Break here to get started", self.main_source_file
27        )
28
29        # Set breakpoints in the two class methods and run to them:
30        namesp_bkpt = target.BreakpointCreateBySourceRegex(
31            "namesp function did something.", self.main_source_file
32        )
33        self.assertEqual(
34            namesp_bkpt.GetNumLocations(), 1, "Namespace breakpoint invalid"
35        )
36
37        virtual_bkpt = target.BreakpointCreateBySourceRegex(
38            "Virtual function did something.", self.main_source_file
39        )
40        self.assertEqual(
41            virtual_bkpt.GetNumLocations(), 1, "Virtual breakpoint invalid"
42        )
43
44        threads = lldbutil.continue_to_breakpoint(process, namesp_bkpt)
45        self.assertEqual(len(threads), 1, "Didn't stop at namespace breakpoint")
46
47        frame = threads[0].frame[0]
48        namesp_this = frame.FindVariable("this", lldb.eDynamicCanRunTarget)
49        # Clang specifies the type of this as "T *", gcc as "T * const". This
50        # erases the difference.
51        namesp_type = namesp_this.GetType().GetUnqualifiedType()
52        self.assertEqual(
53            namesp_type.GetName(),
54            "namesp::Virtual *",
55            "Didn't get the right dynamic type",
56        )
57
58        threads = lldbutil.continue_to_breakpoint(process, virtual_bkpt)
59        self.assertEqual(len(threads), 1, "Didn't stop at virtual breakpoint")
60
61        frame = threads[0].frame[0]
62        virtual_this = frame.FindVariable("this", lldb.eDynamicCanRunTarget)
63        virtual_type = virtual_this.GetType().GetUnqualifiedType()
64        self.assertEqual(
65            virtual_type.GetName(), "Virtual *", "Didn't get the right dynamic type"
66        )
67