1import lldb
2from lldbsuite.test.decorators import *
3from lldbsuite.test.lldbtest import *
4from lldbsuite.test import lldbutil
5
6class TestCase(TestBase):
7
8    mydir = TestBase.compute_mydir(__file__)
9
10    def test(self):
11        """Tests deferencing lvalue/rvalue references via LLDB's builtin type system."""
12        self.build()
13        lldbutil.run_to_source_breakpoint(self, "// break here", lldb.SBFileSpec("main.cpp"))
14
15        # Take an lvalue reference and call `Dereference` on the SBValue.
16        # The result should be `TTT` (and *not* for example the underlying type
17        # 'int').
18        lref_val = self.expect_var_path("l_ref", type="TTT &")
19        self.assertEqual(lref_val.Dereference().GetType().GetName(), "TTT")
20
21        # Same as above for rvalue references.
22        rref_val = self.expect_var_path("r_ref", type="TTT &&")
23        self.assertEqual(rref_val.Dereference().GetType().GetName(), "TTT")
24
25        # Typedef to a reference should dereference to the underlying type.
26        td_val = self.expect_var_path("td_to_ref_type", type="td_int_ref")
27        self.assertEqual(td_val.Dereference().GetType().GetName(), "int")
28