1 /*
2  * Copyright © 2019  Facebook, Inc.
3  *
4  *  This is part of HarfBuzz, a text shaping library.
5  *
6  * Permission is hereby granted, without written agreement and without
7  * license or royalty fees, to use, copy, modify, and distribute this
8  * software and its documentation for any purpose, provided that the
9  * above copyright notice and the following two paragraphs appear in
10  * all copies of this software.
11  *
12  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16  * DAMAGE.
17  *
18  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
21  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23  *
24  * Facebook Author(s): Behdad Esfahbod
25  */
26 
27 #include "hb.hh"
28 #include "hb-meta.hh"
29 
30 #include <type_traits>
31 
32 int
main(int argc,char ** argv)33 main (int argc, char **argv)
34 {
35   static_assert (hb_is_convertible (void, void), "");
36   static_assert (hb_is_convertible (void, const void), "");
37   static_assert (hb_is_convertible (const void, void), "");
38 
39   static_assert (hb_is_convertible (int,  int), "");
40   static_assert (hb_is_convertible (char, int), "");
41   static_assert (hb_is_convertible (long, int), "");
42 
43   static_assert (hb_is_convertible (int, int), "");
44 
45   static_assert (hb_is_convertible (const int, int), "");
46   static_assert (hb_is_convertible (int, const int), "");
47   static_assert (hb_is_convertible (const int, const int), "");
48 
49   static_assert (hb_is_convertible (int&, int), "");
50   static_assert (!hb_is_convertible (int, int&), "");
51 
52   static_assert (hb_is_convertible (int, const int&), "");
53   static_assert (!hb_is_convertible (const int, int&), "");
54   static_assert (hb_is_convertible (const int, const int&), "");
55   static_assert (hb_is_convertible (int&, const int), "");
56   static_assert (hb_is_convertible (const int&, int), "");
57   static_assert (hb_is_convertible (const int&, const int), "");
58   static_assert (hb_is_convertible (const int&, const int), "");
59 
60   struct X {};
61   struct Y : X {};
62 
63   static_assert (hb_is_convertible (const X &, const X), "");
64   static_assert (hb_is_convertible (X &, const X), "");
65   static_assert (hb_is_convertible (X &, const X &), "");
66   static_assert (hb_is_convertible (X, const X &), "");
67   static_assert (hb_is_convertible (const X, const X &), "");
68   static_assert (!hb_is_convertible (const X, X &), "");
69   static_assert (!hb_is_convertible (X, X &), "");
70   static_assert (hb_is_convertible (X &, X &), "");
71 
72   static_assert (hb_is_convertible (int&, long), "");
73   static_assert (!hb_is_convertible (int&, long&), "");
74 
75   static_assert (hb_is_convertible (int *, int *), "");
76   static_assert (hb_is_convertible (int *, const int *), "");
77   static_assert (!hb_is_convertible (const int *, int *), "");
78   static_assert (!hb_is_convertible (int *, long *), "");
79   static_assert (hb_is_convertible (int *, void *), "");
80   static_assert (!hb_is_convertible (void *, int *), "");
81 
82   static_assert (hb_is_base_of (void, void), "");
83   static_assert (hb_is_base_of (void, int), "");
84   static_assert (!hb_is_base_of (int, void), "");
85 
86   static_assert (hb_is_base_of (int, int), "");
87   static_assert (hb_is_base_of (const int, int), "");
88   static_assert (hb_is_base_of (int, const int), "");
89 
90   static_assert (hb_is_base_of (X, X), "");
91   static_assert (hb_is_base_of (X, Y), "");
92   static_assert (hb_is_base_of (const X, Y), "");
93   static_assert (hb_is_base_of (X, const Y), "");
94   static_assert (!hb_is_base_of (Y, X), "");
95 
96   static_assert (hb_is_constructible (int), "");
97   static_assert (hb_is_constructible (int, int), "");
98   static_assert (hb_is_constructible (int, char), "");
99   static_assert (hb_is_constructible (int, long), "");
100   static_assert (!hb_is_constructible (int, X), "");
101   static_assert (!hb_is_constructible (int, int, int), "");
102   static_assert (hb_is_constructible (X), "");
103   static_assert (!hb_is_constructible (X, int), "");
104   static_assert (hb_is_constructible (X, X), "");
105   static_assert (!hb_is_constructible (X, X, X), "");
106   static_assert (hb_is_constructible (X, Y), "");
107   static_assert (!hb_is_constructible (Y, X), "");
108 
109   static_assert (hb_is_trivially_default_constructible (X), "");
110   static_assert (hb_is_trivially_default_constructible (Y), "");
111   static_assert (hb_is_trivially_copy_constructible (X), "");
112   static_assert (hb_is_trivially_copy_constructible (Y), "");
113   static_assert (hb_is_trivially_move_constructible (X), "");
114   static_assert (hb_is_trivially_move_constructible (Y), "");
115   static_assert (hb_is_trivially_destructible (Y), "");
116 
117   static_assert (hb_is_trivially_copyable (int), "");
118   static_assert (hb_is_trivially_copyable (X), "");
119   static_assert (hb_is_trivially_copyable (Y), "");
120 
121   static_assert (hb_is_trivial (int), "");
122   static_assert (hb_is_trivial (X), "");
123   static_assert (hb_is_trivial (Y), "");
124 
125   /* TODO Add more meaningful tests. */
126 
127   return 0;
128 }
129