cc/hash_pair_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/hash_pair.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 namespace {
   9
  10 class HashPairTest : public testing::Test {
  11 };
  12
  13 #define INSERT_PAIR_TEST(Type, value1, value2) \
  14   { \
  15     Type pair(value1, value2); \
  16     base::hash_map<Type, int> map; \
  17     map[pair] = 1; \
  18   }
  19
  20 // Verify that a hash_map can be constructed for pairs of integers of various
  21 // sizes.
  22 TEST_F(HashPairTest, IntegerPairs) {
  23   typedef std::pair<short, short> ShortShortPair;
  24   typedef std::pair<short, int> ShortIntPair;
  25   typedef std::pair<short, int32> ShortInt32Pair;
  26   typedef std::pair<short, int64> ShortInt64Pair;
  27
  28   INSERT_PAIR_TEST(ShortShortPair, 4, 6);
  29   INSERT_PAIR_TEST(ShortIntPair, 7, (1 << 30) + 4342);
  30   INSERT_PAIR_TEST(ShortInt32Pair, 9, (1 << 29) + 378128932);
  31   INSERT_PAIR_TEST(ShortInt64Pair, 10, (1LL << 60) + 78931732321);
  32
  33   typedef std::pair<int, short> IntShortPair;
  34   typedef std::pair<int, int> IntIntPair;
  35   typedef std::pair<int, int32> IntInt32Pair;
  36   typedef std::pair<int, int64> IntInt64Pair;
  37
  38   INSERT_PAIR_TEST(IntShortPair, 4, 6);
  39   INSERT_PAIR_TEST(IntIntPair, 7, (1 << 30) + 4342);
  40   INSERT_PAIR_TEST(IntInt32Pair, 9, (1 << 29) + 378128932);
  41   INSERT_PAIR_TEST(IntInt64Pair, 10, (1LL << 60) + 78931732321);
  42
  43   typedef std::pair<int32, short> Int32ShortPair;
  44   typedef std::pair<int32, int> Int32IntPair;
  45   typedef std::pair<int32, int32> Int32Int32Pair;
  46   typedef std::pair<int32, int64> Int32Int64Pair;
  47
  48   INSERT_PAIR_TEST(Int32ShortPair, 4, 6);
  49   INSERT_PAIR_TEST(Int32IntPair, 7, (1 << 30) + 4342);
  50   INSERT_PAIR_TEST(Int32Int32Pair, 9, (1 << 29) + 378128932);
  51   INSERT_PAIR_TEST(Int32Int64Pair, 10, (1LL << 60) + 78931732321);
  52
  53   typedef std::pair<int64, short> Int64ShortPair;
  54   typedef std::pair<int64, int> Int64IntPair;
  55   typedef std::pair<int64, int32> Int64Int32Pair;
  56   typedef std::pair<int64, int64> Int64Int64Pair;
  57
  58   INSERT_PAIR_TEST(Int64ShortPair, 4, 6);
  59   INSERT_PAIR_TEST(Int64IntPair, 7, (1 << 30) + 4342);
  60   INSERT_PAIR_TEST(Int64Int32Pair, 9, (1 << 29) + 378128932);
  61   INSERT_PAIR_TEST(Int64Int64Pair, 10, (1LL << 60) + 78931732321);
  62 }
  63
  64 }  // anonymous namespace