Function directory_iterator_tests

test/operations_test.cpp:500–697

//  directory_iterator_tests  --------------------------------------------------------//

void directory_iterator_tests()
{
    cout << "directory_iterator_tests..." << endl;

    bool dir_itr_exception(false);
    try
    {
        fs::directory_iterator it("");
    }
    catch (const fs::filesystem_error&)
    {
        dir_itr_exception = true;
    }
    BOOST_TEST(dir_itr_exception);

    error_code ec;

    BOOST_TEST(!ec);
    fs::directory_iterator it("", ec);
    BOOST_TEST(ec);

    dir_itr_exception = false;
    try
    {
        fs::directory_iterator itx("nosuchdirectory");
    }
    catch (const fs::filesystem_error&)
    {
        dir_itr_exception = true;
    }
    BOOST_TEST(dir_itr_exception);

    ec.clear();
    fs::directory_iterator it2x("nosuchdirectory", ec);
    BOOST_TEST(ec);

    dir_itr_exception = false;
    try
    {
        error_code ecx;
        fs::directory_iterator itx("nosuchdirectory", ecx);
        BOOST_TEST(ecx);
        BOOST_TEST(ecx == boost::system::errc::no_such_file_or_directory);
    }
    catch (const fs::filesystem_error&)
    {
        dir_itr_exception = true;
    }
    BOOST_TEST(!dir_itr_exception);

    // create a second directory named d2
    d2 = dir / "d2";
    fs::create_directory(d2);
    BOOST_TEST(fs::exists(d2));
    BOOST_TEST(fs::is_directory(d2));

    // test the basic operation of directory_iterators, and test that
    // stepping one iterator doesn't affect a different iterator.