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/* Unit tests for hash-map.h.
Copyright (C) 2015-2017 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "opts.h"
#include "signop.h"
#include "hash-set.h"
#include "fixed-value.h"
#include "alias.h"
#include "flags.h"
#include "symtab.h"
#include "tree-core.h"
#include "stor-layout.h"
#include "tree.h"
#include "stringpool.h"
#include "selftest.h"
#if CHECKING_P
namespace selftest {
/* Construct a hash_map <const char *, int> and verify that
various operations work correctly. */
static void
test_map_of_strings_to_int ()
{
hash_map <const char *, int> m;
const char *ostrich = "ostrich";
const char *elephant = "elephant";
const char *ant = "ant";
const char *spider = "spider";
const char *millipede = "Illacme plenipes";
const char *eric = "half a bee";
/* A fresh hash_map should be empty. */
ASSERT_EQ (0, m.elements ());
ASSERT_EQ (NULL, m.get (ostrich));
/* Populate the hash_map. */
ASSERT_EQ (false, m.put (ostrich, 2));
ASSERT_EQ (false, m.put (elephant, 4));
ASSERT_EQ (false, m.put (ant, 6));
ASSERT_EQ (false, m.put (spider, 8));
ASSERT_EQ (false, m.put (millipede, 750));
ASSERT_EQ (false, m.put (eric, 3));
/* Verify that we can recover the stored values. */
ASSERT_EQ (6, m.elements ());
ASSERT_EQ (2, *m.get (ostrich));
ASSERT_EQ (4, *m.get (elephant));
ASSERT_EQ (6, *m.get (ant));
ASSERT_EQ (8, *m.get (spider));
ASSERT_EQ (750, *m.get (millipede));
ASSERT_EQ (3, *m.get (eric));
/* Verify removing an item. */
m.remove (eric);
ASSERT_EQ (5, m.elements ());
ASSERT_EQ (NULL, m.get (eric));
}
/* Run all of the selftests within this file. */
void
hash_map_tests_c_tests ()
{
test_map_of_strings_to_int ();
}
} // namespace selftest
#endif /* CHECKING_P */
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