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1"""
2Tests std::stack functionality.
3"""
4
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9class TestStack(TestBase):
10
11    mydir = TestBase.compute_mydir(__file__)
12
13    @add_test_categories(["libc++"])
14    @skipIf(compiler=no_match("clang"))
15    @skipIfLinux # Declaration in some Linux headers causes LLDB to crash.
16    def test(self):
17        self.build()
18
19        lldbutil.run_to_source_breakpoint(self,
20            "// Set break point at this line.", lldb.SBFileSpec("main.cpp"))
21
22        self.runCmd("settings set target.import-std-module true")
23
24        # Test std::stack functionality with a std::deque.
25        stack_type = "std::stack<C>"
26        size_type = stack_type + "::size_type"
27
28        self.expect_expr("s_deque", result_type=stack_type)
29        self.expect("expr s_deque.pop()")
30        self.expect("expr s_deque.push({4})")
31        self.expect_expr("s_deque.size()",
32                         result_type=size_type,
33                         result_value="3")
34        self.expect_expr("s_deque.top().i",
35                         result_type="int",
36                         result_value="4")
37        self.expect("expr s_deque.emplace(5)")
38        self.expect_expr("s_deque.top().i",
39                         result_type="int",
40                         result_value="5")
41
42        # Test std::stack functionality with a std::vector.
43        stack_type = "std::stack<C, std::vector<C> >"
44        size_type = stack_type + "::size_type"
45
46        self.expect_expr("s_vector", result_type=stack_type)
47        self.expect("expr s_vector.pop()")
48        self.expect("expr s_vector.push({4})")
49        self.expect_expr("s_vector.size()",
50                         result_type=size_type,
51                         result_value="3")
52        self.expect_expr("s_vector.top().i",
53                         result_type="int",
54                         result_value="4")
55        self.expect("expr s_vector.emplace(5)")
56        self.expect_expr("s_vector.top().i",
57                         result_type="int",
58                         result_value="5")
59
60        # Test std::stack functionality with a std::list.
61        stack_type = "std::stack<C, std::list<C> >"
62        size_type = stack_type + "::size_type"
63        self.expect_expr("s_list", result_type=stack_type)
64        self.expect("expr s_list.pop()")
65        self.expect("expr s_list.push({4})")
66        self.expect_expr("s_list.size()",
67                         result_type=size_type,
68                         result_value="3")
69        self.expect_expr("s_list.top().i", result_type="int", result_value="4")
70        self.expect("expr s_list.emplace(5)")
71        self.expect_expr("s_list.top().i", result_type="int", result_value="5")
72