1 /*=============================================================================
2 Copyright (c) 2017 Paul Fultz II
3 pipable.cpp
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 ==============================================================================*/
7 #include <boost/hof/pipable.hpp>
8 #include <boost/hof/static.hpp>
9 #include <boost/hof/limit.hpp>
10 #include "test.hpp"
11
12 static constexpr boost::hof::static_<boost::hof::pipable_adaptor<binary_class> > binary_pipable = {};
13
14 static constexpr boost::hof::static_<boost::hof::pipable_adaptor<unary_class> > unary_pipable = {};
15
16 static constexpr boost::hof::static_<boost::hof::pipable_adaptor<mutable_class> > mutable_pipable = {};
17
18 static constexpr boost::hof::static_<boost::hof::pipable_adaptor<void_class> > void_pipable = {};
19
20 static constexpr boost::hof::static_<boost::hof::pipable_adaptor<mono_class> > mono_pipable = {};
21
22 static constexpr boost::hof::static_<boost::hof::pipable_adaptor<move_class> > move_pipable = {};
23
24 constexpr boost::hof::pipable_adaptor<void_class> void_pipable_constexpr = {};
25
26 constexpr boost::hof::pipable_adaptor<binary_class> binary_pipable_constexpr = {};
27
28 constexpr boost::hof::pipable_adaptor<unary_class> unary_pipable_constexpr = {};
29
30 #if BOOST_HOF_HAS_NOEXCEPT_DEDUCTION
BOOST_HOF_TEST_CASE()31 BOOST_HOF_TEST_CASE()
32 {
33 static_assert(noexcept(1 | binary_pipable(2)), "noexcept pipable");
34 static_assert(noexcept(binary_pipable(1, 2)), "noexcept pipable");
35 }
36 #endif
37
BOOST_HOF_TEST_CASE()38 BOOST_HOF_TEST_CASE()
39 {
40 void_pipable(1);
41 1 | void_pipable;
42 BOOST_HOF_TEST_CHECK(3 == (1 | binary_pipable(2)));
43 BOOST_HOF_TEST_CHECK(3 == (binary_pipable(1, 2)));
44 BOOST_HOF_TEST_CHECK(3 == (3 | unary_pipable));
45 BOOST_HOF_TEST_CHECK(3 == (3 | unary_pipable()));
46 BOOST_HOF_TEST_CHECK(3 == (unary_pipable(3)));
47 int i1 = 1;
48 BOOST_HOF_TEST_CHECK(3 == (2 | binary_pipable(i1)));
49 BOOST_HOF_TEST_CHECK(3 == (i1 | mutable_pipable(2)));
50 BOOST_HOF_TEST_CHECK(3 == (i1));
51 int i2 = 1;
52 BOOST_HOF_TEST_CHECK(3 == (mutable_pipable(i2, 2)));
53 BOOST_HOF_TEST_CHECK(3 == (i2));
54 BOOST_HOF_TEST_CHECK(3 == (mono_pipable(2)));
55 BOOST_HOF_TEST_CHECK(3 == (2| mono_pipable));
56 }
57
BOOST_HOF_TEST_CASE()58 BOOST_HOF_TEST_CASE()
59 {
60 BOOST_HOF_TEST_CHECK(3 == (move_class()(1, 2)));
61 BOOST_HOF_TEST_CHECK(3 == (move_pipable(1, 2)));
62 BOOST_HOF_TEST_CHECK(3 == (1 | move_pipable(2)));
63 BOOST_HOF_TEST_CHECK(3 == (1 | boost::hof::pipable(move_class())(2)));
64 BOOST_HOF_TEST_CHECK(3 == (boost::hof::pipable(move_class())(1, 2)));
65 }
66
BOOST_HOF_TEST_CASE()67 BOOST_HOF_TEST_CASE()
68 {
69 void_pipable_constexpr(1);
70 1 | void_pipable_constexpr;
71 BOOST_HOF_STATIC_TEST_CHECK(3 == (1 | binary_pipable_constexpr(2)));
72 BOOST_HOF_STATIC_TEST_CHECK(3 == (binary_pipable_constexpr(1, 2)));
73 BOOST_HOF_STATIC_TEST_CHECK(3 == (3 | unary_pipable_constexpr));
74 BOOST_HOF_STATIC_TEST_CHECK(3 == (3 | unary_pipable_constexpr()));
75 BOOST_HOF_STATIC_TEST_CHECK(3 == (unary_pipable_constexpr(3)));
76 }
77
BOOST_HOF_TEST_CASE()78 BOOST_HOF_TEST_CASE()
79 {
80 BOOST_HOF_TEST_CHECK(3 == boost::hof::limit_c<2>(binary_pipable_constexpr)(1, 2));
81 BOOST_HOF_STATIC_TEST_CHECK(3 == boost::hof::limit_c<2>(binary_pipable_constexpr)(1, 2));
82 }
83
BOOST_HOF_TEST_CASE()84 BOOST_HOF_TEST_CASE()
85 {
86 auto f = boost::hof::pipable(boost::hof::limit_c<2>(binary_class()));
87 static_assert(boost::hof::is_invocable<decltype(f), int, int>::value, "Passing the limit is not callable");
88 static_assert(!boost::hof::is_invocable<decltype(f), int, int, int>::value, "Passing the limit is not callable");
89 static_assert(!boost::hof::is_invocable<decltype(f), int, int, int, int>::value, "Passing the limit is not callable");
90 }
91