xref: /llvm-project/lldb/test/API/commands/expression/import-std-module/queue/TestQueueFromStdModule.py (revision 74c5e474043daa7900686d0a210b8e03cebf9472) 
1"""
2Tests std::queue functionality.
3"""
4
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9
10class TestQueue(TestBase):
11    @add_test_categories(["libc++"])
12    @skipIf(compiler=no_match("clang"))
13    @skipIf(
14        compiler="clang",
15        compiler_version=[">", "16.0"],
16        bugnumber="https://github.com/llvm/llvm-project/issues/68968",
17    )
18    def test(self):
19        self.build()
20
21        lldbutil.run_to_source_breakpoint(
22            self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp")
23        )
24
25        self.runCmd("settings set target.import-std-module true")
26
27        if self.expectedCompiler(["clang"]) and self.expectedCompilerVersion(
28            [">", "16.0"]
29        ):
30            queue_type = "std::queue<C>"
31        else:
32            queue_type = "std::queue<C, std::deque<C, std::allocator<C> > >"
33
34        size_type = "size_type"
35        value_type = "value_type"
36
37        # Test std::queue functionality with a std::deque.
38        self.expect_expr(
39            "q_deque",
40            result_type=queue_type,
41            result_children=[ValueCheck(children=[ValueCheck(value="1")])],
42        )
43        self.expect("expr q_deque.pop()")
44        self.expect("expr q_deque.push({4})")
45        self.expect_expr("q_deque.size()", result_type=size_type, result_value="1")
46        self.expect_expr("q_deque.front()", result_type=value_type)
47        self.expect_expr("q_deque.back()", result_type=value_type)
48        self.expect_expr("q_deque.front().i", result_type="int", result_value="4")
49        self.expect_expr("q_deque.back().i", result_type="int", result_value="4")
50        self.expect_expr("q_deque.empty()", result_type="bool", result_value="false")
51        self.expect("expr q_deque.pop()")
52        self.expect("expr q_deque.emplace(5)")
53        self.expect_expr("q_deque.front().i", result_type="int", result_value="5")
54
55        # Test std::queue functionality with a std::list.
56        if self.expectedCompiler(["clang"]) and self.expectedCompilerVersion(
57            [">", "16.0"]
58        ):
59            queue_type = "std::queue<C, std::list<C> >"
60        else:
61            queue_type = "std::queue<C, std::list<C, std::allocator<C> > >"
62
63        self.expect_expr(
64            "q_list",
65            result_type=queue_type,
66            result_children=[ValueCheck(children=[ValueCheck(value="1")])],
67        )
68
69        self.expect("expr q_list.pop()")
70        self.expect("expr q_list.push({4})")
71        self.expect_expr("q_list.size()", result_type=size_type, result_value="1")
72        self.expect_expr("q_list.front()", result_type=value_type)
73        self.expect_expr("q_list.back()", result_type=value_type)
74        self.expect_expr("q_list.front().i", result_type="int", result_value="4")
75        self.expect_expr("q_list.back().i", result_type="int", result_value="4")
76        self.expect_expr("q_list.empty()", result_type="bool", result_value="false")
77        self.expect("expr q_list.pop()")
78        self.expect("expr q_list.emplace(5)")
79        self.expect_expr("q_list.front().i", result_type="int", result_value="5")
80