xref: /llvm-project/lldb/test/API/lang/cpp/dynamic-value-same-basename/TestDynamicValueSameBase.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53)

"""
Make sure if we have two classes with the same base name the
dynamic value calculator doesn't confuse them
"""


import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *


class DynamicValueSameBaseTestCase(TestBase):
    # If your test case doesn't stress debug info, then
    # set this to true.  That way it won't be run once for
    # each debug info format.
    NO_DEBUG_INFO_TESTCASE = True

    def test_same_basename_this(self):
        """Test that the we use the full name to resolve dynamic types."""
        self.build()
        self.main_source_file = lldb.SBFileSpec("main.cpp")
        self.sample_test()

    def sample_test(self):
        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
            self, "Break here to get started", self.main_source_file
        )

        # Set breakpoints in the two class methods and run to them:
        namesp_bkpt = target.BreakpointCreateBySourceRegex(
            "namesp function did something.", self.main_source_file
        )
        self.assertEqual(
            namesp_bkpt.GetNumLocations(), 1, "Namespace breakpoint invalid"
        )

        virtual_bkpt = target.BreakpointCreateBySourceRegex(
            "Virtual function did something.", self.main_source_file
        )
        self.assertEqual(
            virtual_bkpt.GetNumLocations(), 1, "Virtual breakpoint invalid"
        )

        threads = lldbutil.continue_to_breakpoint(process, namesp_bkpt)
        self.assertEqual(len(threads), 1, "Didn't stop at namespace breakpoint")

        frame = threads[0].frame[0]
        namesp_this = frame.FindVariable("this", lldb.eDynamicCanRunTarget)
        # Clang specifies the type of this as "T *", gcc as "T * const". This
        # erases the difference.
        namesp_type = namesp_this.GetType().GetUnqualifiedType()
        self.assertEqual(
            namesp_type.GetName(),
            "namesp::Virtual *",
            "Didn't get the right dynamic type",
        )

        threads = lldbutil.continue_to_breakpoint(process, virtual_bkpt)
        self.assertEqual(len(threads), 1, "Didn't stop at virtual breakpoint")

        frame = threads[0].frame[0]
        virtual_this = frame.FindVariable("this", lldb.eDynamicCanRunTarget)
        virtual_type = virtual_this.GetType().GetUnqualifiedType()
        self.assertEqual(
            virtual_type.GetName(), "Virtual *", "Didn't get the right dynamic type"
        )