1"""
2Test diamond inheritance.
3"""
4
5import lldb
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test.decorators import *
8import lldbsuite.test.lldbutil as lldbutil
9
10
11class TestCase(TestBase):
12
13    mydir = TestBase.compute_mydir(__file__)
14
15    @no_debug_info_test
16    def test_with_sbvalue(self):
17        """
18        Test that virtual base classes work in when SBValue objects are
19        used to explore the class.
20        """
21        self.build()
22        lldbutil.run_to_source_breakpoint(self, "// breakpoint 1", lldb.SBFileSpec("main.cpp"))
23
24        j1 = self.frame().FindVariable("j1")
25        j1_Derived1 = j1.GetChildAtIndex(0)
26        j1_Derived2 = j1.GetChildAtIndex(1)
27        j1_Derived1_VBase = j1_Derived1.GetChildAtIndex(0)
28        j1_Derived2_VBase = j1_Derived2.GetChildAtIndex(0)
29        j1_Derived1_VBase_m_value = j1_Derived1_VBase.GetChildAtIndex(0)
30        j1_Derived2_VBase_m_value = j1_Derived2_VBase.GetChildAtIndex(0)
31
32        self.assertEqual(
33            j1_Derived1_VBase.GetLoadAddress(), j1_Derived2_VBase.GetLoadAddress(),
34            "ensure virtual base class is the same between Derived1 and Derived2")
35        self.assertEqual(j1_Derived1_VBase_m_value.GetValueAsUnsigned(
36            1), j1_Derived2_VBase_m_value.GetValueAsUnsigned(2), "ensure m_value in VBase is the same")
37        self.assertEqual(self.frame().FindVariable("d").GetChildAtIndex(0).GetChildAtIndex(
38            0).GetValueAsUnsigned(0), 12345, "ensure Derived2 from j1 is correct")
39
40        # This reassigns 'd' to point to 'j2'.
41        self.thread().StepOver()
42
43        self.assertEqual(self.frame().FindVariable("d").GetChildAtIndex(0).GetChildAtIndex(
44            0).GetValueAsUnsigned(0), 12346, "ensure Derived2 from j2 is correct")
45
46    @no_debug_info_test
47    def test(self):
48        self.build()
49        lldbutil.run_to_source_breakpoint(self, "// breakpoint 1", lldb.SBFileSpec("main.cpp"))
50
51        # All the children of j1.
52        children = [
53            ValueCheck(type="Derived1", children=[
54                ValueCheck(type="VBase", children=[
55                    ValueCheck(type="int", name="m_value", value="12345")
56                ])
57            ]),
58            ValueCheck(type="Derived2", children=[
59                ValueCheck(type="VBase", children=[
60                    ValueCheck(type="int", name="m_value", value="12345")
61                ])
62            ]),
63            ValueCheck(type="long", value="1"),
64        ]
65        # Try using the class with expression evaluator/variable paths.
66        self.expect_expr("j1", result_type="Joiner1", result_children=children)
67        self.expect_var_path("j1", type="Joiner1", children=children)
68
69        # Use the expression evaluator to access the members.
70        self.expect_expr("j1.x", result_type="long", result_value="1")
71        self.expect_expr("j1.m_value", result_type="int", result_value="12345")
72
73        # Use variable paths to access the members.
74        self.expect_var_path("j1.x", type="long", value="1")
75
76    @expectedFailureAll
77    @no_debug_info_test
78    def test(self):
79        self.build()
80        lldbutil.run_to_source_breakpoint(self, "// breakpoint 1", lldb.SBFileSpec("main.cpp"))
81        # FIXME: This is completely broken and 'succeeds' with an error that
82        # there is noch such value/member in Joiner1. Move this up to the test
83        # above when fixed.
84        self.expect_var_path("j1.m_value", type="int", value="12345")
85