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 #include <boost/hana/assert.hpp>
6 #include <boost/hana/experimental/view.hpp>
7 #include <boost/hana/less.hpp>
8 #include <boost/hana/not.hpp>
9
10 #include <laws/base.hpp>
11 #include <support/seq.hpp>
12 namespace hana = boost::hana;
13 using hana::test::ct_ord;
14
15
main()16 int main() {
17 auto container = ::seq;
18 auto f = hana::test::_injection<0>{};
19
20 {
21 auto storage = container();
22 auto transformed = hana::experimental::transformed(storage, f);
23 BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
24 transformed,
25 container()
26 )));
27 }{
28 auto storage = container(ct_ord<0>{});
29 auto transformed = hana::experimental::transformed(storage, f);
30 BOOST_HANA_CONSTANT_CHECK(hana::less(
31 container(),
32 transformed
33 ));
34 BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
35 container(f(ct_ord<0>{})),
36 transformed
37 )));
38 BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
39 transformed,
40 container()
41 )));
42 }{
43 auto storage = container(ct_ord<0>{}, ct_ord<1>{});
44 auto transformed = hana::experimental::transformed(storage, f);
45 BOOST_HANA_CONSTANT_CHECK(hana::less(
46 container(),
47 transformed
48 ));
49 BOOST_HANA_CONSTANT_CHECK(hana::less(
50 container(f(ct_ord<0>{})),
51 transformed
52 ));
53 BOOST_HANA_CONSTANT_CHECK(hana::less(
54 container(f(ct_ord<0>{}), f(ct_ord<0>{})),
55 transformed
56 ));
57 }
58 }
59