1 /* Selftests for typed-splay-tree.h.
2    Copyright (C) 2016-2018 Free Software Foundation, Inc.
3 
4 This file is part of GCC.
5 
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
10 
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3.  If not see
18 <http://www.gnu.org/licenses/>.  */
19 
20 #include "config.h"
21 #include "system.h"
22 #include "coretypes.h"
23 #include "typed-splay-tree.h"
24 #include "selftest.h"
25 
26 #if CHECKING_P
27 
28 namespace selftest {
29 
30 /* Callback for use by test_str_to_int.  */
31 
32 static int
33 append_cb (const char *, int value, void *user_data)
34 {
35   auto_vec <int> *vec = (auto_vec <int> *)user_data;
36   vec->safe_push (value);
37   return 0;
38 }
39 
40 /* Test of typed_splay_tree <const char *, int>.  */
41 
42 static void
43 test_str_to_int ()
44 {
45   typed_splay_tree <const char *, int> t (strcmp, NULL, NULL);
46 
47   t.insert ("a", 1);
48   t.insert ("b", 2);
49   t.insert ("c", 3);
50 
51   ASSERT_EQ (1, t.lookup ("a"));
52   ASSERT_EQ (2, t.lookup ("b"));
53   ASSERT_EQ (3, t.lookup ("c"));
54 
55   ASSERT_EQ (2, t.predecessor ("c"));
56   ASSERT_EQ (3, t.successor ("b"));
57   ASSERT_EQ (1, t.min ());
58   ASSERT_EQ (3, t.max ());
59 
60   /* Test foreach by appending to a vec, and verifying the vec.  */
61   auto_vec <int> v;
62   t.foreach (append_cb, &v);
63   ASSERT_EQ (3, v.length ());
64   ASSERT_EQ (1, v[0]);
65   ASSERT_EQ (2, v[1]);
66   ASSERT_EQ (3, v[2]);
67 }
68 
69 /* Run all of the selftests within this file.  */
70 
71 void
72 typed_splay_tree_c_tests ()
73 {
74   test_str_to_int ();
75 }
76 
77 } // namespace selftest
78 
79 #endif /* #if CHECKING_P */
80