ceph/src/boost/libs/hana/test/_include/auto/drop_while.hpp

   1 // Copyright Louis Dionne 2013-2017
   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 #ifndef BOOST_HANA_TEST_AUTO_DROP_WHILE_HPP
   6 #define BOOST_HANA_TEST_AUTO_DROP_WHILE_HPP
   7
   8 #include <boost/hana/assert.hpp>
   9 #include <boost/hana/bool.hpp>
  10 #include <boost/hana/drop_while.hpp>
  11 #include <boost/hana/equal.hpp>
  12 #include <boost/hana/functional/id.hpp>
  13 #include <boost/hana/not_equal.hpp>
  14
  15 #include <laws/base.hpp>
  16 #include "test_case.hpp"
  17
  18
  19 TestCase test_drop_while{[]{
  20     namespace hana = boost::hana;
  21     using hana::test::ct_eq;
  22
  23     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  24         hana::drop_while(MAKE_TUPLE(), hana::id),
  25         MAKE_TUPLE()
  26     ));
  27
  28     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  29         hana::drop_while(MAKE_TUPLE(hana::true_c), hana::id),
  30         MAKE_TUPLE()
  31     ));
  32     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  33         hana::drop_while(MAKE_TUPLE(hana::false_c), hana::id),
  34         MAKE_TUPLE(hana::false_c)
  35     ));
  36
  37     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  38         hana::drop_while(MAKE_TUPLE(hana::true_c, hana::true_c), hana::id),
  39         MAKE_TUPLE()
  40     ));
  41     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  42         hana::drop_while(MAKE_TUPLE(hana::true_c, hana::false_c), hana::id),
  43         MAKE_TUPLE(hana::false_c)
  44     ));
  45     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  46         hana::drop_while(MAKE_TUPLE(hana::false_c, hana::true_c), hana::id),
  47         MAKE_TUPLE(hana::false_c, hana::true_c)
  48     ));
  49     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  50         hana::drop_while(MAKE_TUPLE(hana::false_c, hana::false_c), hana::id),
  51         MAKE_TUPLE(hana::false_c, hana::false_c)
  52     ));
  53
  54     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  55         hana::drop_while(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::not_equal.to(ct_eq<99>{})),
  56         MAKE_TUPLE()
  57     ));
  58     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  59         hana::drop_while(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::not_equal.to(ct_eq<1>{})),
  60         MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{})
  61     ));
  62     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  63         hana::drop_while(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), hana::not_equal.to(ct_eq<3>{})),
  64         MAKE_TUPLE(ct_eq<3>{})
  65     ));
  66     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  67         hana::drop_while(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), hana::not_equal.to(ct_eq<0>{})),
  68         MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
  69     ));
  70 }};
  71
  72 #endif // !BOOST_HANA_TEST_AUTO_DROP_WHILE_HPP