1#include <boost/config.hpp>
2
3// lsp_convertible_test.cpp
4//
5// Copyright 2012, 2017 Peter Dimov
6//
7// Distributed under the Boost Software License, Version 1.0.
8// See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt
10
11#include <boost/smart_ptr/local_shared_ptr.hpp>
12#include <boost/shared_ptr.hpp>
13#include <boost/weak_ptr.hpp>
14#include <boost/core/lightweight_test.hpp>
15#include <boost/type_traits/is_convertible.hpp>
16
17//
18
19class X;
20
21class B
22{
23};
24
25class D: public B
26{
27};
28
29using boost::is_convertible;
30
31#define TEST_CV_TRUE_( S1, T, S2, U ) \
32 BOOST_TEST(( is_convertible< S1<T>, S2<U> >::value == true )); \
33 BOOST_TEST(( is_convertible< S1<T>, S2<const U> >::value == true )); \
34 BOOST_TEST(( is_convertible< S1<T>, S2<volatile U> >::value == true )); \
35 BOOST_TEST(( is_convertible< S1<T>, S2<const volatile U> >::value == true )); \
36 BOOST_TEST(( is_convertible< S1<const T>, S2<U> >::value == false )); \
37 BOOST_TEST(( is_convertible< S1<const T>, S2<const U> >::value == true )); \
38 BOOST_TEST(( is_convertible< S1<const T>, S2<volatile U> >::value == false )); \
39 BOOST_TEST(( is_convertible< S1<const T>, S2<const volatile U> >::value == true )); \
40 BOOST_TEST(( is_convertible< S1<volatile T>, S2<U> >::value == false )); \
41 BOOST_TEST(( is_convertible< S1<volatile T>, S2<const U> >::value == false )); \
42 BOOST_TEST(( is_convertible< S1<volatile T>, S2<volatile U> >::value == true )); \
43 BOOST_TEST(( is_convertible< S1<volatile T>, S2<const volatile U> >::value == true )); \
44 BOOST_TEST(( is_convertible< S1<const volatile T>, S2<U> >::value == false )); \
45 BOOST_TEST(( is_convertible< S1<const volatile T>, S2<const U> >::value == false )); \
46 BOOST_TEST(( is_convertible< S1<const volatile T>, S2<volatile U> >::value == false )); \
47 BOOST_TEST(( is_convertible< S1<const volatile T>, S2<const volatile U> >::value == true ));
48
49#define TEST_CV_FALSE_( S1, T, S2, U ) \
50 BOOST_TEST(( is_convertible< S1<T>, S2<U> >::value == false )); \
51 BOOST_TEST(( is_convertible< S1<T>, S2<const U> >::value == false )); \
52 BOOST_TEST(( is_convertible< S1<T>, S2<volatile U> >::value == false )); \
53 BOOST_TEST(( is_convertible< S1<T>, S2<const volatile U> >::value == false )); \
54 BOOST_TEST(( is_convertible< S1<const T>, S2<U> >::value == false )); \
55 BOOST_TEST(( is_convertible< S1<const T>, S2<const U> >::value == false )); \
56 BOOST_TEST(( is_convertible< S1<const T>, S2<volatile U> >::value == false )); \
57 BOOST_TEST(( is_convertible< S1<const T>, S2<const volatile U> >::value == false )); \
58 BOOST_TEST(( is_convertible< S1<volatile T>, S2<U> >::value == false )); \
59 BOOST_TEST(( is_convertible< S1<volatile T>, S2<const U> >::value == false )); \
60 BOOST_TEST(( is_convertible< S1<volatile T>, S2<volatile U> >::value == false )); \
61 BOOST_TEST(( is_convertible< S1<volatile T>, S2<const volatile U> >::value == false )); \
62 BOOST_TEST(( is_convertible< S1<const volatile T>, S2<U> >::value == false )); \
63 BOOST_TEST(( is_convertible< S1<const volatile T>, S2<const U> >::value == false )); \
64 BOOST_TEST(( is_convertible< S1<const volatile T>, S2<volatile U> >::value == false )); \
65 BOOST_TEST(( is_convertible< S1<const volatile T>, S2<const volatile U> >::value == false ));
66
67using boost::local_shared_ptr;
68using boost::shared_ptr;
69using boost::weak_ptr;
70
71#define TEST_CV_TRUE( T, U ) \
72 TEST_CV_TRUE_( local_shared_ptr, T, shared_ptr, U ) \
73 TEST_CV_TRUE_( local_shared_ptr, T, weak_ptr, U )
74
75#define TEST_CV_FALSE( T, U ) \
76 TEST_CV_FALSE_( local_shared_ptr, T, shared_ptr, U ) \
77 TEST_CV_FALSE_( local_shared_ptr, T, weak_ptr, U )
78
79int main()
80{
81#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
82
83 TEST_CV_TRUE( X, X )
84 TEST_CV_TRUE( X, void )
85 TEST_CV_FALSE( void, X )
86 TEST_CV_TRUE( D, B )
87 TEST_CV_FALSE( B, D )
88
89 TEST_CV_TRUE( X[], X[] )
90 TEST_CV_FALSE( D[], B[] )
91
92 TEST_CV_TRUE( X[3], X[3] )
93 TEST_CV_FALSE( X[3], X[4] )
94 TEST_CV_FALSE( D[3], B[3] )
95
96 TEST_CV_TRUE( X[3], X[] )
97 TEST_CV_FALSE( X[], X[3] )
98
99 TEST_CV_TRUE( X[], void )
100 TEST_CV_FALSE( void, X[] )
101
102 TEST_CV_TRUE( X[3], void )
103 TEST_CV_FALSE( void, X[3] )
104
105#endif
106
107 return boost::report_errors();
108}
109

source code of boost/libs/smart_ptr/test/lsp_convertible_test2.cpp