xref: /llvm-project/lldb/test/API/commands/expression/import-std-module/queue/TestQueueFromStdModule.py (revision 99451b4453688a94c6014cac233d371ab4cc342d) 
1"""
2Tests std::queue functionality.
3"""
4
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9class TestQueue(TestBase):
10
11    mydir = TestBase.compute_mydir(__file__)
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.", lldb.SBFileSpec("main.cpp"))
20
21        self.runCmd("settings set target.import-std-module true")
22
23        # Test std::queue functionality with a std::deque.
24        self.expect("expr q_deque.pop()")
25        self.expect("expr q_deque.push({4})")
26        self.expect("expr (size_t)q_deque.size()", substrs=['(size_t) $0 = 1'])
27        self.expect("expr (int)q_deque.front().i", substrs=['(int) $1 = 4'])
28        self.expect("expr (int)q_deque.back().i", substrs=['(int) $2 = 4'])
29        self.expect("expr q_deque.empty()", substrs=['(bool) $3 = false'])
30        self.expect("expr q_deque.pop()")
31        self.expect("expr q_deque.emplace(5)")
32        self.expect("expr (int)q_deque.front().i", substrs=['(int) $4 = 5'])
33
34        # Test std::queue functionality with a std::list.
35        self.expect("expr q_list.pop()")
36        self.expect("expr q_list.push({4})")
37        self.expect("expr (size_t)q_list.size()", substrs=['(size_t) $5 = 1'])
38        self.expect("expr (int)q_list.front().i", substrs=['(int) $6 = 4'])
39        self.expect("expr (int)q_list.back().i", substrs=['(int) $7 = 4'])
40        self.expect("expr q_list.empty()", substrs=['(bool) $8 = false'])
41        self.expect("expr q_list.pop()")
42        self.expect("expr q_list.emplace(5)")
43        self.expect("expr (int)q_list.front().i", substrs=['(int) $9 = 5'])
44