1"""
2Tests standard library iterators.
3"""
4
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9
10class TestCase(TestBase):
11    @add_test_categories(["libc++"])
12    @skipIf(compiler=no_match("clang"))
13    def test(self):
14        self.build()
15
16        lldbutil.run_to_source_breakpoint(
17            self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp")
18        )
19
20        self.runCmd("settings set target.import-std-module true")
21
22        iter_type = "std::move_iterator<std::__wrap_iter<int *> >"
23
24        self.expect_expr("move_begin", result_type=iter_type)
25        self.expect_expr("move_begin[0]", result_type="int", result_value="1")
26
27        self.expect_expr("move_begin + 3 == move_end", result_value="true")
28
29        self.expect("expr move_begin++")
30        self.expect_expr("move_begin + 2 == move_end", result_value="true")
31        self.expect("expr move_begin--")
32        self.expect_expr("move_begin + 3 == move_end", result_value="true")
33