1"""
2Test basic std::vector<bool> functionality.
3"""
4
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9
10class TestBoolVector(TestBase):
11    @add_test_categories(["libc++"])
12    @skipIf(compiler=no_match("clang"))
13    @skipIf(bugnumber="rdar://100741983")
14    def test(self):
15        self.build()
16
17        lldbutil.run_to_source_breakpoint(
18            self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp")
19        )
20
21        vector_type = "std::vector<bool>"
22        size_type = "size_type"
23
24        self.runCmd("settings set target.import-std-module true")
25
26        self.expect_expr(
27            "a",
28            result_type=vector_type,
29            result_children=[
30                ValueCheck(value="false"),
31                ValueCheck(value="true"),
32                ValueCheck(value="false"),
33                ValueCheck(value="true"),
34            ],
35        )
36        self.expect_expr("a.size()", result_type=size_type, result_value="4")
37        # FIXME: Without the casting the result can't be materialized.
38        self.expect_expr("(bool)a.front()", result_type="bool", result_value="false")
39        self.expect_expr("(bool)a[1]", result_type="bool", result_value="true")
40        self.expect_expr("(bool)a.back()", result_type="bool", result_value="true")
41
42        self.expect_expr("(bool)*a.begin()", result_type="bool", result_value="false")
43        self.expect_expr("(bool)*a.rbegin()", result_type="bool", result_value="true")
44