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- // -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
- // Copyright (c) 2007, Google Inc.
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- // ---
- // Author: Geoff Pike
- #include <stdio.h>
- #include "base/logging.h"
- #include "packed-cache-inl.h"
- static const int kHashbits = PackedCache<64, uint64>::kHashbits;
- // A basic sanity test.
- void PackedCacheTest_basic() {
- PackedCache<32, uint32> cache(0);
- CHECK_EQ(cache.GetOrDefault(0, 1), 0);
- cache.Put(0, 17);
- CHECK(cache.Has(0));
- CHECK_EQ(cache.GetOrDefault(0, 1), 17);
- cache.Put(19, 99);
- CHECK(cache.Has(0) && cache.Has(19));
- CHECK_EQ(cache.GetOrDefault(0, 1), 17);
- CHECK_EQ(cache.GetOrDefault(19, 1), 99);
- // Knock <0, 17> out by using a conflicting key.
- cache.Put(1 << kHashbits, 22);
- CHECK(!cache.Has(0));
- CHECK_EQ(cache.GetOrDefault(0, 1), 1);
- CHECK_EQ(cache.GetOrDefault(1 << kHashbits, 1), 22);
- }
- int main(int argc, char **argv) {
- PackedCacheTest_basic();
- printf("PASS\n");
- return 0;
- }
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