"""
Test basic std::list functionality but with a declaration from
the debug info (the Foo struct) as content.
"""

from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class TestDbgInfoContentList(TestBase):

    @add_test_categories(["libc++"])
    @skipIf(compiler=no_match("clang"))
    def test(self):
        self.build()

        lldbutil.run_to_source_breakpoint(self,
                                          "// Set break point at this line.",
                                          lldb.SBFileSpec("main.cpp"))

        self.runCmd("settings set target.import-std-module true")

        list_type = "std::list<Foo>"
        size_type = "size_type"
        value_type = "value_type"

        self.expect_expr("a",
                         result_type=list_type,
                         result_children=[
                             ValueCheck(children=[ValueCheck(value="3")]),
                             ValueCheck(children=[ValueCheck(value="1")]),
                             ValueCheck(children=[ValueCheck(value="2")])
                         ])

        self.expect_expr("a.size()", result_type=size_type, result_value="3")
        self.expect_expr("a.front().a", result_type="int", result_value="3")
        self.expect_expr("a.back().a", result_type="int", result_value="2")

        self.expect("expr std::reverse(a.begin(), a.end())")
        self.expect_expr("a.front().a", result_type="int", result_value="2")
        self.expect_expr("a.back().a", result_type="int", result_value="3")

        self.expect_expr("a.begin()->a", result_type="int", result_value="2")
        self.expect_expr("a.rbegin()->a", result_type="int", result_value="3")