1*38fd1498Szrj /* Unit tests for hash-map.h.
2*38fd1498Szrj Copyright (C) 2015-2018 Free Software Foundation, Inc.
3*38fd1498Szrj
4*38fd1498Szrj This file is part of GCC.
5*38fd1498Szrj
6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under
7*38fd1498Szrj the terms of the GNU General Public License as published by the Free
8*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later
9*38fd1498Szrj version.
10*38fd1498Szrj
11*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or
13*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14*38fd1498Szrj for more details.
15*38fd1498Szrj
16*38fd1498Szrj You should have received a copy of the GNU General Public License
17*38fd1498Szrj along with GCC; see the file COPYING3. If not see
18*38fd1498Szrj <http://www.gnu.org/licenses/>. */
19*38fd1498Szrj
20*38fd1498Szrj #include "config.h"
21*38fd1498Szrj #include "system.h"
22*38fd1498Szrj #include "coretypes.h"
23*38fd1498Szrj #include "tm.h"
24*38fd1498Szrj #include "opts.h"
25*38fd1498Szrj #include "hash-set.h"
26*38fd1498Szrj #include "fixed-value.h"
27*38fd1498Szrj #include "alias.h"
28*38fd1498Szrj #include "flags.h"
29*38fd1498Szrj #include "symtab.h"
30*38fd1498Szrj #include "tree-core.h"
31*38fd1498Szrj #include "stor-layout.h"
32*38fd1498Szrj #include "tree.h"
33*38fd1498Szrj #include "stringpool.h"
34*38fd1498Szrj #include "selftest.h"
35*38fd1498Szrj
36*38fd1498Szrj #if CHECKING_P
37*38fd1498Szrj
38*38fd1498Szrj namespace selftest {
39*38fd1498Szrj
40*38fd1498Szrj /* Construct a hash_map <const char *, int> and verify that
41*38fd1498Szrj various operations work correctly. */
42*38fd1498Szrj
43*38fd1498Szrj static void
test_map_of_strings_to_int()44*38fd1498Szrj test_map_of_strings_to_int ()
45*38fd1498Szrj {
46*38fd1498Szrj hash_map <const char *, int> m;
47*38fd1498Szrj
48*38fd1498Szrj const char *ostrich = "ostrich";
49*38fd1498Szrj const char *elephant = "elephant";
50*38fd1498Szrj const char *ant = "ant";
51*38fd1498Szrj const char *spider = "spider";
52*38fd1498Szrj const char *millipede = "Illacme plenipes";
53*38fd1498Szrj const char *eric = "half a bee";
54*38fd1498Szrj
55*38fd1498Szrj /* A fresh hash_map should be empty. */
56*38fd1498Szrj ASSERT_EQ (0, m.elements ());
57*38fd1498Szrj ASSERT_EQ (NULL, m.get (ostrich));
58*38fd1498Szrj
59*38fd1498Szrj /* Populate the hash_map. */
60*38fd1498Szrj ASSERT_EQ (false, m.put (ostrich, 2));
61*38fd1498Szrj ASSERT_EQ (false, m.put (elephant, 4));
62*38fd1498Szrj ASSERT_EQ (false, m.put (ant, 6));
63*38fd1498Szrj ASSERT_EQ (false, m.put (spider, 8));
64*38fd1498Szrj ASSERT_EQ (false, m.put (millipede, 750));
65*38fd1498Szrj ASSERT_EQ (false, m.put (eric, 3));
66*38fd1498Szrj
67*38fd1498Szrj /* Verify that we can recover the stored values. */
68*38fd1498Szrj ASSERT_EQ (6, m.elements ());
69*38fd1498Szrj ASSERT_EQ (2, *m.get (ostrich));
70*38fd1498Szrj ASSERT_EQ (4, *m.get (elephant));
71*38fd1498Szrj ASSERT_EQ (6, *m.get (ant));
72*38fd1498Szrj ASSERT_EQ (8, *m.get (spider));
73*38fd1498Szrj ASSERT_EQ (750, *m.get (millipede));
74*38fd1498Szrj ASSERT_EQ (3, *m.get (eric));
75*38fd1498Szrj
76*38fd1498Szrj /* Verify removing an item. */
77*38fd1498Szrj m.remove (eric);
78*38fd1498Szrj ASSERT_EQ (5, m.elements ());
79*38fd1498Szrj ASSERT_EQ (NULL, m.get (eric));
80*38fd1498Szrj }
81*38fd1498Szrj
82*38fd1498Szrj /* Run all of the selftests within this file. */
83*38fd1498Szrj
84*38fd1498Szrj void
hash_map_tests_c_tests()85*38fd1498Szrj hash_map_tests_c_tests ()
86*38fd1498Szrj {
87*38fd1498Szrj test_map_of_strings_to_int ();
88*38fd1498Szrj }
89*38fd1498Szrj
90*38fd1498Szrj } // namespace selftest
91*38fd1498Szrj
92*38fd1498Szrj #endif /* CHECKING_P */
93