1 // { dg-options "-std=gnu++11" }
2 // { dg-do compile }
3
4 // 2009-10-29 Paolo Carlini <paolo.carlini@oracle.com>
5 //
6 // Copyright (C) 2009-2016 Free Software Foundation, Inc.
7 //
8 // This file is part of the GNU ISO C++ Library. This library is free
9 // software; you can redistribute it and/or modify it under the
10 // terms of the GNU General Public License as published by the
11 // Free Software Foundation; either version 3, or (at your option)
12 // any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License along
20 // with this library; see the file COPYING3. If not see
21 // <http://www.gnu.org/licenses/>.
22
23 #include <type_traits>
24 #include <testsuite_tr1.h>
25
test01()26 void test01()
27 {
28 using std::is_convertible;
29 using namespace __gnu_test;
30
31 // Positive tests.
32 static_assert(test_relationship<is_convertible, int, int>(true), "");
33 static_assert(test_relationship<is_convertible, int, const int>(true), "");
34 static_assert(test_relationship<is_convertible,
35 volatile int, const int>(true), "");
36 static_assert(test_relationship<is_convertible, int, float>(true), "");
37 static_assert(test_relationship<is_convertible, double, float>(true), "");
38 static_assert(test_relationship<is_convertible, float, int>(true), "");
39 static_assert(test_relationship<is_convertible, int*, const int*>(true), "");
40 static_assert(test_relationship<is_convertible, int*, void*>(true), "");
41 static_assert(test_relationship<is_convertible, int[4], int*>(true), "");
42 static_assert(test_relationship<is_convertible, float&, int>(true), "");
43 static_assert(test_relationship<is_convertible, int, const int&>(true), "");
44 static_assert(test_relationship<is_convertible, const int&, int>(true), "");
45 static_assert(test_relationship<is_convertible, float, const int&>(true), "");
46 static_assert(test_relationship<is_convertible, int(int),
47 int(*)(int)>(true), "");
48 static_assert(test_relationship<is_convertible,
49 int(&)(int), int(*)(int)>(true), "");
50 static_assert(test_relationship<is_convertible, EnumType, int>(true), "");
51 static_assert(test_relationship<is_convertible, ClassType,
52 ClassType>(true), "");
53 static_assert(test_relationship<is_convertible, DerivedType,
54 ClassType>(true), "");
55 static_assert(test_relationship<is_convertible, DerivedType*,
56 ClassType*>(true), "");
57 static_assert(test_relationship<is_convertible, DerivedType&,
58 ClassType&>(true), "");
59
60 static_assert(test_relationship<is_convertible, const int,
61 const int&>(true), "");
62
63 static_assert(test_relationship<is_convertible, void, void>(true), "");
64 static_assert(test_relationship<is_convertible, const void, void>(true), "");
65 static_assert(test_relationship<is_convertible, void,
66 volatile void>(true), "");
67 static_assert(test_relationship<is_convertible, double&,
68 ExplicitClass>(true), "");
69
70 static_assert(test_relationship<is_convertible, int(int),
71 int(&)(int)>(true), "");
72
73 // Negative tests.
74 static_assert(test_relationship<is_convertible, const int*, int*>(false), "");
75 static_assert(test_relationship<is_convertible, int*, float*>(false), "");
76 static_assert(test_relationship<is_convertible, const int[4],
77 int*>(false), "");
78 static_assert(test_relationship<is_convertible, int[4], int[4]>(false), "");
79 static_assert(test_relationship<is_convertible, const int&, int&>(false), "");
80 static_assert(test_relationship<is_convertible, float&, int&>(false), "");
81 static_assert(test_relationship<is_convertible, float,
82 volatile int&>(false), "");
83 static_assert(test_relationship<is_convertible, int(int),
84 int(int)>(false), "");
85 static_assert(test_relationship<is_convertible, int(int),
86 int(*)(void)>(false), "");
87 static_assert(test_relationship<is_convertible, int(*)(int),
88 int(&)(int)>(false), "");
89 static_assert(test_relationship<is_convertible, int, EnumType>(false), "");
90 static_assert(test_relationship<is_convertible, int, ClassType>(false), "");
91 static_assert(test_relationship<is_convertible, ClassType,
92 DerivedType>(false), "");
93 static_assert(test_relationship<is_convertible, ClassType*,
94 DerivedType*>(false), "");
95 static_assert(test_relationship<is_convertible, ClassType&,
96 DerivedType&>(false), "");
97
98 static_assert(test_relationship<is_convertible, void, int>(false), "");
99 static_assert(test_relationship<is_convertible, void, float>(false), "");
100 static_assert(test_relationship<is_convertible, void,
101 int(*)(int)>(false), "");
102
103 // C++0x
104 static_assert(test_relationship<is_convertible, int, void>(false), "");
105 static_assert(test_relationship<is_convertible, int[4], void>(false), "");
106
107 static_assert(test_relationship<is_convertible, int, int&>(false), "");
108 static_assert(test_relationship<is_convertible, float,
109 volatile float&>(false), "");
110 static_assert(test_relationship<is_convertible, const volatile int,
111 const volatile int&>(false), "");
112 static_assert(test_relationship<is_convertible, volatile int,
113 volatile int&>(false), "");
114 static_assert(test_relationship<is_convertible, int&,
115 ExplicitClass>(false), "");
116 static_assert(test_relationship<is_convertible, void*,
117 ExplicitClass>(false), "");
118 }
119