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| 1 // Copyright 2013 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 "base/containers/hash_tables.h" | |
| 6 | |
| 7 #include <stdint.h> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "testing/gtest/include/gtest/gtest.h" | |
| 12 | |
| 13 namespace { | |
| 14 | |
| 15 class HashPairTest : public testing::Test { | |
| 16 }; | |
| 17 | |
| 18 #define INSERT_PAIR_TEST(Type, value1, value2) \ | |
| 19 { \ | |
| 20 Type pair(value1, value2); \ | |
| 21 base::hash_map<Type, int> map; \ | |
| 22 map[pair] = 1; \ | |
| 23 } | |
| 24 | |
| 25 // Verify that a hash_map can be constructed for pairs of integers of various | |
| 26 // sizes. | |
| 27 TEST_F(HashPairTest, IntegerPairs) { | |
| 28 typedef std::pair<int16, int16> Int16Int16Pair; | |
| 29 typedef std::pair<int16, int32> Int16Int32Pair; | |
| 30 typedef std::pair<int16, int64> Int16Int64Pair; | |
| 31 | |
| 32 INSERT_PAIR_TEST(Int16Int16Pair, 4, 6); | |
| 33 INSERT_PAIR_TEST(Int16Int32Pair, 9, (1 << 29) + 378128932); | |
| 34 INSERT_PAIR_TEST(Int16Int64Pair, 10, | |
| 35 (INT64_C(1) << 60) + INT64_C(78931732321)); | |
| 36 | |
| 37 typedef std::pair<int32, int16> Int32Int16Pair; | |
| 38 typedef std::pair<int32, int32> Int32Int32Pair; | |
| 39 typedef std::pair<int32, int64> Int32Int64Pair; | |
| 40 | |
| 41 INSERT_PAIR_TEST(Int32Int16Pair, 4, 6); | |
| 42 INSERT_PAIR_TEST(Int32Int32Pair, 9, (1 << 29) + 378128932); | |
| 43 INSERT_PAIR_TEST(Int32Int64Pair, 10, | |
| 44 (INT64_C(1) << 60) + INT64_C(78931732321)); | |
| 45 | |
| 46 typedef std::pair<int64, int16> Int64Int16Pair; | |
| 47 typedef std::pair<int64, int32> Int64Int32Pair; | |
| 48 typedef std::pair<int64, int64> Int64Int64Pair; | |
| 49 | |
| 50 INSERT_PAIR_TEST(Int64Int16Pair, 4, 6); | |
| 51 INSERT_PAIR_TEST(Int64Int32Pair, 9, (1 << 29) + 378128932); | |
| 52 INSERT_PAIR_TEST(Int64Int64Pair, 10, | |
| 53 (INT64_C(1) << 60) + INT64_C(78931732321)); | |
| 54 } | |
| 55 | |
| 56 // Verify that base::hash_set<const char*> compares by pointer value, not as C | |
| 57 // strings. | |
| 58 TEST(HashTableTest, CharPointers) { | |
| 59 std::string str1("hello"); | |
| 60 std::string str2("hello"); | |
| 61 base::hash_set<const char*> set; | |
| 62 | |
| 63 set.insert(str1.c_str()); | |
| 64 EXPECT_EQ(1u, set.count(str1.c_str())); | |
| 65 EXPECT_EQ(0u, set.count(str2.c_str())); | |
| 66 } | |
| 67 | |
| 68 } // namespace | |
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