1 // Copyright (c) 2007, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 // --- 31 // Author: Geoff Pike 32 33 #include <stdio.h> 34 #include "base/logging.h" 35 #include "packed-cache-inl.h" 36 37 static const int kHashbits = PackedCache<64, uint64>::kHashbits; 38 39 // A basic sanity test. 40 void PackedCacheTest_basic() { 41 PackedCache<32, uint32> cache(0); 42 CHECK_EQ(cache.GetOrDefault(0, 1), 0); 43 cache.Put(0, 17); 44 CHECK(cache.Has(0)); 45 CHECK_EQ(cache.GetOrDefault(0, 1), 17); 46 cache.Put(19, 99); 47 CHECK(cache.Has(0) && cache.Has(19)); 48 CHECK_EQ(cache.GetOrDefault(0, 1), 17); 49 CHECK_EQ(cache.GetOrDefault(19, 1), 99); 50 // Knock <0, 17> out by using a conflicting key. 51 cache.Put(1 << kHashbits, 22); 52 CHECK(!cache.Has(0)); 53 CHECK_EQ(cache.GetOrDefault(0, 1), 1); 54 CHECK_EQ(cache.GetOrDefault(1 << kHashbits, 1), 22); 55 } 56 57 int main(int argc, char **argv) { 58 PackedCacheTest_basic(); 59 60 printf("PASS\n"); 61 return 0; 62 } 63