xref: /llvm-project/lldb/test/API/commands/expression/import-std-module/queue/TestQueueFromStdModule.py (revision ad81d019a62d33e5d1f232844b83d3e164e4b160) 
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
12    @add_test_categories(["libc++"])
13    @skipIf(compiler=no_match("clang"))
14    def test(self):
15        self.build()
16
17        lldbutil.run_to_source_breakpoint(self,
18                                          "// Set break point at this line.",
19                                          lldb.SBFileSpec("main.cpp"))
20
21        self.runCmd("settings set target.import-std-module true")
22
23        if self.expectedCompiler(["clang"]) and self.expectedCompilerVersion(['>', '16.0']):
24            queue_type = "std::queue<C>"
25        else:
26            queue_type = "std::queue<C, std::deque<C, std::allocator<C> > >"
27
28        size_type = "size_type"
29        value_type = "value_type"
30
31        # Test std::queue functionality with a std::deque.
32        self.expect_expr(
33            "q_deque",
34            result_type=queue_type,
35            result_children=[ValueCheck(children=[ValueCheck(value="1")])])
36        self.expect("expr q_deque.pop()")
37        self.expect("expr q_deque.push({4})")
38        self.expect_expr("q_deque.size()",
39                         result_type=size_type,
40                         result_value="1")
41        self.expect_expr("q_deque.front()", result_type=value_type)
42        self.expect_expr("q_deque.back()", result_type=value_type)
43        self.expect_expr("q_deque.front().i",
44                         result_type="int",
45                         result_value="4")
46        self.expect_expr("q_deque.back().i",
47                         result_type="int",
48                         result_value="4")
49        self.expect_expr("q_deque.empty()",
50                         result_type="bool",
51                         result_value="false")
52        self.expect("expr q_deque.pop()")
53        self.expect("expr q_deque.emplace(5)")
54        self.expect_expr("q_deque.front().i",
55                         result_type="int",
56                         result_value="5")
57
58        # Test std::queue functionality with a std::list.
59        if self.expectedCompiler(["clang"]) and self.expectedCompilerVersion(['>', '16.0']):
60            queue_type = "std::queue<C, std::list<C> >"
61        else:
62            queue_type = "std::queue<C, std::list<C, std::allocator<C> > >"
63
64        self.expect_expr(
65            "q_list",
66            result_type=queue_type,
67            result_children=[ValueCheck(children=[ValueCheck(value="1")])])
68
69        self.expect("expr q_list.pop()")
70        self.expect("expr q_list.push({4})")
71        self.expect_expr("q_list.size()",
72                         result_type=size_type,
73                         result_value="1")
74        self.expect_expr("q_list.front()", result_type=value_type)
75        self.expect_expr("q_list.back()", result_type=value_type)
76        self.expect_expr("q_list.front().i",
77                         result_type="int",
78                         result_value="4")
79        self.expect_expr("q_list.back().i",
80                         result_type="int",
81                         result_value="4")
82        self.expect_expr("q_list.empty()",
83                         result_type="bool",
84                         result_value="false")
85        self.expect("expr q_list.pop()")
86        self.expect("expr q_list.emplace(5)")
87        self.expect_expr("q_list.front().i",
88                         result_type="int",
89                         result_value="5")
90