1// Copyright (c) 2007, Google Inc.
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29
30// ---
31// Author: Geoff Pike
32
33#include <stdio.h>
34#include "base/logging.h"
35#include "packed-cache-inl.h"
36
37static const int kHashbits = PackedCache<64, uint64>::kHashbits;
38
39// A basic sanity test.
40void 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
57int main(int argc, char **argv) {
58  PackedCacheTest_basic();
59
60  printf("PASS\n");
61  return 0;
62}
63