1 | |
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2 | // Copyright Aleksey Gurtovoy 2000-2004 |
3 | // |
4 | // Distributed under the Boost Software License, Version 1.0. |
5 | // (See accompanying file LICENSE_1_0.txt or copy at |
6 | // http://www.boost.org/LICENSE_1_0.txt) |
7 | // |
8 | // See http://www.boost.org/libs/mpl for documentation. |
9 | |
10 | // $Id$ |
11 | // $Date$ |
12 | // $Revision$ |
13 | |
14 | #include <boost/mpl/is_placeholder.hpp> |
15 | #include <boost/mpl/placeholders.hpp> |
16 | #include <boost/mpl/aux_/test.hpp> |
17 | |
18 | #include <boost/preprocessor/repeat.hpp> |
19 | #include <boost/preprocessor/inc.hpp> |
20 | #include <boost/preprocessor/cat.hpp> |
21 | |
22 | #define AUX_IS_PLACEHOLDER_TEST(unused1, n, unused2) \ |
23 | { MPL_ASSERT(( is_placeholder< \ |
24 | BOOST_PP_CAT(_,BOOST_PP_INC(n)) \ |
25 | > )); } \ |
26 | /**/ |
27 | |
28 | MPL_TEST_CASE() |
29 | { |
30 | MPL_ASSERT_NOT(( is_placeholder<int> )); |
31 | MPL_ASSERT_NOT(( is_placeholder<UDT> )); |
32 | MPL_ASSERT_NOT(( is_placeholder<incomplete> )); |
33 | MPL_ASSERT_NOT(( is_placeholder<abstract> )); |
34 | MPL_ASSERT_NOT(( is_placeholder<noncopyable> )); |
35 | MPL_ASSERT(( is_placeholder<_> )); |
36 | |
37 | BOOST_PP_REPEAT( |
38 | BOOST_MPL_LIMIT_METAFUNCTION_ARITY |
39 | , AUX_IS_PLACEHOLDER_TEST |
40 | , unused |
41 | ) |
42 | } |
43 |