1"""
2Test basic std::vector functionality but with a declaration from
3the debug info (the Foo struct) as content.
4"""
5
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class TestDbgInfoContentVector(TestBase):
12
13    @add_test_categories(["libc++"])
14    @skipIf(compiler=no_match("clang"))
15    def test(self):
16        self.build()
17
18        lldbutil.run_to_source_breakpoint(self,
19                                          "// Set break point at this line.",
20                                          lldb.SBFileSpec("main.cpp"))
21
22        self.runCmd("settings set target.import-std-module true")
23
24        vector_type = "std::vector<Foo>"
25        size_type = vector_type + "::size_type"
26        value_type = vector_type + "::value_type"
27        iterator = vector_type + "::iterator"
28        # LLDB's formatter provides us with a artificial 'item' member.
29        iterator_children = [ValueCheck(name="item")]
30        riterator = vector_type + "::reverse_iterator"
31        riterator_children = [
32            ValueCheck(name="__t"),
33            ValueCheck(name="current")
34        ]
35
36        self.expect_expr("a",
37                         result_type=vector_type,
38                         result_children=[
39                             ValueCheck(children=[ValueCheck(value="3")]),
40                             ValueCheck(children=[ValueCheck(value="1")]),
41                             ValueCheck(children=[ValueCheck(value="2")]),
42                         ])
43
44        self.expect_expr("a.size()", result_type=size_type, result_value="3")
45        self.expect_expr("a.front().a", result_type="int", result_value="3")
46        self.expect_expr("a[1].a", result_type="int", result_value="1")
47        self.expect_expr("a.back().a", result_type="int", result_value="2")
48
49        self.expect("expr std::reverse(a.begin(), a.end())")
50        self.expect_expr("a.front().a", result_type="int", result_value="2")
51
52        self.expect_expr("a.begin()->a", result_type="int", result_value="2")
53        self.expect_expr("a.rbegin()->a", result_type="int", result_value="3")
54
55        self.expect("expr a.pop_back()")
56        self.expect_expr("a.back().a", result_type="int", result_value="1")
57        self.expect_expr("a.size()", result_type=size_type, result_value="2")
58
59        self.expect_expr("a.at(0).a", result_type="int", result_value="2")
60
61        self.expect("expr a.push_back({4})")
62        self.expect_expr("a.back().a", result_type="int", result_value="4")
63        self.expect_expr("a.size()", result_type=size_type, result_value="3")
64
65        self.expect_expr("a.begin()",
66                         result_type=iterator,
67                         result_children=iterator_children)
68        self.expect_expr("a.rbegin()",
69                         result_type=riterator,
70                         result_children=riterator_children)
71