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
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        iter_type = "std::move_iterator<std::__wrap_iter<int *> >"
24
25        self.expect_expr("move_begin", result_type=iter_type)
26        self.expect_expr("move_begin[0]", result_type="int", result_value="1")
27
28        self.expect_expr("move_begin + 3 == move_end", result_value="true")
29
30        self.expect("expr move_begin++")
31        self.expect_expr("move_begin + 2 == move_end", result_value="true")
32        self.expect("expr move_begin--")
33        self.expect_expr("move_begin + 3 == move_end", result_value="true")
34