1 /* Unit tests for hash-map.h. 2 Copyright (C) 2015-2017 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 "tm.h" 24 #include "opts.h" 25 #include "signop.h" 26 #include "hash-set.h" 27 #include "fixed-value.h" 28 #include "alias.h" 29 #include "flags.h" 30 #include "symtab.h" 31 #include "tree-core.h" 32 #include "stor-layout.h" 33 #include "tree.h" 34 #include "stringpool.h" 35 #include "selftest.h" 36 37 #if CHECKING_P 38 39 namespace selftest { 40 41 /* Construct a hash_map <const char *, int> and verify that 42 various operations work correctly. */ 43 44 static void 45 test_map_of_strings_to_int () 46 { 47 hash_map <const char *, int> m; 48 49 const char *ostrich = "ostrich"; 50 const char *elephant = "elephant"; 51 const char *ant = "ant"; 52 const char *spider = "spider"; 53 const char *millipede = "Illacme plenipes"; 54 const char *eric = "half a bee"; 55 56 /* A fresh hash_map should be empty. */ 57 ASSERT_EQ (0, m.elements ()); 58 ASSERT_EQ (NULL, m.get (ostrich)); 59 60 /* Populate the hash_map. */ 61 ASSERT_EQ (false, m.put (ostrich, 2)); 62 ASSERT_EQ (false, m.put (elephant, 4)); 63 ASSERT_EQ (false, m.put (ant, 6)); 64 ASSERT_EQ (false, m.put (spider, 8)); 65 ASSERT_EQ (false, m.put (millipede, 750)); 66 ASSERT_EQ (false, m.put (eric, 3)); 67 68 /* Verify that we can recover the stored values. */ 69 ASSERT_EQ (6, m.elements ()); 70 ASSERT_EQ (2, *m.get (ostrich)); 71 ASSERT_EQ (4, *m.get (elephant)); 72 ASSERT_EQ (6, *m.get (ant)); 73 ASSERT_EQ (8, *m.get (spider)); 74 ASSERT_EQ (750, *m.get (millipede)); 75 ASSERT_EQ (3, *m.get (eric)); 76 77 /* Verify removing an item. */ 78 m.remove (eric); 79 ASSERT_EQ (5, m.elements ()); 80 ASSERT_EQ (NULL, m.get (eric)); 81 } 82 83 /* Run all of the selftests within this file. */ 84 85 void 86 hash_map_tests_c_tests () 87 { 88 test_map_of_strings_to_int (); 89 } 90 91 } // namespace selftest 92 93 #endif /* CHECKING_P */ 94