xref: /llvm-project/lldb/test/API/commands/expression/inline-namespace/TestInlineNamespace.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53)
1"""
2Test that we correctly handle inline namespaces.
3"""
4
5import lldb
6
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class TestInlineNamespace(TestBase):
13    def test(self):
14        self.build()
15
16        lldbutil.run_to_source_breakpoint(
17            self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp")
18        )
19
20        # The 'A::B::f' function must be found via 'A::f' as 'B' is an inline
21        # namespace.
22        self.expect_expr("A::f()", result_type="int", result_value="3")
23        # But we should still find the function when we pretend the inline
24        # namespace is not inline.
25        self.expect_expr("A::B::f()", result_type="int", result_value="3")
26
27        self.expect_expr("A::B::global_var", result_type="int", result_value="0")
28        # FIXME: should be ambiguous lookup but ClangExpressionDeclMap takes
29        #        first global variable that the lookup found, which in this case
30        #        is A::B::global_var
31        self.expect_expr("A::global_var", result_type="int", result_value="0")
32
33        self.expect_expr("A::B::C::global_var", result_type="int", result_value="1")
34        self.expect_expr("A::C::global_var", result_type="int", result_value="1")
35
36        self.expect_expr("A::B::D::nested_var", result_type="int", result_value="2")
37        self.expect_expr("A::D::nested_var", result_type="int", result_value="2")
38        self.expect_expr("A::B::nested_var", result_type="int", result_value="2")
39        self.expect_expr("A::nested_var", result_type="int", result_value="2")
40
41        self.expect_expr("A::E::F::other_var", result_type="int", result_value="3")
42        self.expect_expr("A::E::other_var", result_type="int", result_value="3")
43
44        self.expect(
45            "expr A::E::global_var",
46            error=True,
47            substrs=["no member named 'global_var' in namespace 'A::E'"],
48        )
49        self.expect(
50            "expr A::E::F::global_var",
51            error=True,
52            substrs=["no member named 'global_var' in namespace 'A::E::F'"],
53        )
54
55        self.expect(
56            "expr A::other_var",
57            error=True,
58            substrs=["no member named 'other_var' in namespace 'A'"],
59        )
60        self.expect(
61            "expr A::B::other_var",
62            error=True,
63            substrs=["no member named 'other_var' in namespace 'A::B'"],
64        )
65        self.expect(
66            "expr B::other_var",
67            error=True,
68            substrs=["no member named 'other_var' in namespace 'A::B'"],
69        )
70
71        # 'frame variable' can correctly distinguish between A::B::global_var and A::global_var
72        gvars = self.target().FindGlobalVariables("A::global_var", 10)
73        self.assertEqual(len(gvars), 1)
74        self.assertEqual(gvars[0].GetValueAsSigned(), 4)
75
76        self.expect("frame variable A::global_var", substrs=["(int) A::global_var = 4"])
77        self.expect(
78            "frame variable A::B::global_var", substrs=["(int) A::B::global_var = 0"]
79        )
80