ceph/src/boost/libs/hana/test/string/less.cpp

   1 // Copyright Louis Dionne 2013-2016
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/hana/assert.hpp>
   6 #include <boost/hana/greater.hpp>
   7 #include <boost/hana/greater_equal.hpp>
   8 #include <boost/hana/integral_constant.hpp>
   9 #include <boost/hana/less.hpp>
  10 #include <boost/hana/less_equal.hpp>
  11 #include <boost/hana/not.hpp>
  12 #include <boost/hana/string.hpp>
  13 namespace hana = boost::hana;
  14
  15
  16 int main() {
  17     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
  18         BOOST_HANA_STRING(""),
  19         BOOST_HANA_STRING("")
  20     )));
  21
  22     BOOST_HANA_CONSTANT_CHECK(hana::less(
  23         BOOST_HANA_STRING(""),
  24         BOOST_HANA_STRING("a")
  25     ));
  26
  27     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
  28         BOOST_HANA_STRING("a"),
  29         BOOST_HANA_STRING("")
  30     )));
  31
  32     BOOST_HANA_CONSTANT_CHECK(hana::less(
  33         BOOST_HANA_STRING("a"),
  34         BOOST_HANA_STRING("ab")
  35     ));
  36
  37     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
  38         BOOST_HANA_STRING("ab"),
  39         BOOST_HANA_STRING("ab")
  40     )));
  41
  42     BOOST_HANA_CONSTANT_CHECK(hana::less(
  43         BOOST_HANA_STRING("abc"),
  44         BOOST_HANA_STRING("abcde")
  45     ));
  46
  47     BOOST_HANA_CONSTANT_CHECK(hana::less(
  48         BOOST_HANA_STRING("abcde"),
  49         BOOST_HANA_STRING("abfde")
  50     ));
  51
  52     // check operators
  53     BOOST_HANA_CONSTANT_CHECK(
  54         BOOST_HANA_STRING("abc") < BOOST_HANA_STRING("abcd")
  55     );
  56     BOOST_HANA_CONSTANT_CHECK(
  57         BOOST_HANA_STRING("abc") <= BOOST_HANA_STRING("abcd")
  58     );
  59     BOOST_HANA_CONSTANT_CHECK(
  60         BOOST_HANA_STRING("abcd") > BOOST_HANA_STRING("abc")
  61     );
  62     BOOST_HANA_CONSTANT_CHECK(
  63         BOOST_HANA_STRING("abcd") >= BOOST_HANA_STRING("abc")
  64     );
  65 }