xref: /llvm-project/lldb/test/API/lang/cpp/dynamic-value-same-basename/TestDynamicValueSameBase.py (revision 4cc8f2a017c76af25234afc7c380550e9c93135c)
1"""
2Make sure if we have two classes with the same base name the
3dynamic value calculator doesn't confuse them
4"""
5
6
7
8import lldb
9import lldbsuite.test.lldbutil as lldbutil
10from lldbsuite.test.lldbtest import *
11
12
13class DynamicValueSameBaseTestCase(TestBase):
14
15    # If your test case doesn't stress debug info, then
16    # set this to true.  That way it won't be run once for
17    # each debug info format.
18    NO_DEBUG_INFO_TESTCASE = True
19
20    def test_same_basename_this(self):
21        """Test that the we use the full name to resolve dynamic types."""
22        self.build()
23        self.main_source_file = lldb.SBFileSpec("main.cpp")
24        self.sample_test()
25
26    def sample_test(self):
27        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
28                                   "Break here to get started", self.main_source_file)
29
30        # Set breakpoints in the two class methods and run to them:
31        namesp_bkpt = target.BreakpointCreateBySourceRegex("namesp function did something.", self.main_source_file)
32        self.assertEqual(namesp_bkpt.GetNumLocations(), 1, "Namespace breakpoint invalid")
33
34        virtual_bkpt = target.BreakpointCreateBySourceRegex("Virtual function did something.", self.main_source_file)
35        self.assertEqual(virtual_bkpt.GetNumLocations(), 1, "Virtual breakpoint invalid")
36
37        threads = lldbutil.continue_to_breakpoint(process, namesp_bkpt)
38        self.assertEqual(len(threads), 1, "Didn't stop at namespace breakpoint")
39
40        frame = threads[0].frame[0]
41        namesp_this = frame.FindVariable("this", lldb.eDynamicCanRunTarget)
42        # Clang specifies the type of this as "T *", gcc as "T * const". This
43        # erases the difference.
44        namesp_type = namesp_this.GetType().GetUnqualifiedType()
45        self.assertEqual(namesp_type.GetName(), "namesp::Virtual *", "Didn't get the right dynamic type")
46
47        threads = lldbutil.continue_to_breakpoint(process, virtual_bkpt)
48        self.assertEqual(len(threads), 1, "Didn't stop at virtual breakpoint")
49
50        frame = threads[0].frame[0]
51        virtual_this = frame.FindVariable("this", lldb.eDynamicCanRunTarget)
52        virtual_type = virtual_this.GetType().GetUnqualifiedType()
53        self.assertEqual(virtual_type.GetName(), "Virtual *", "Didn't get the right dynamic type")
54
55
56
57