| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #include <cstdint> |
| |
| #include <gtest/gtest.h> |
| |
| #include "kudu/util/hash_util.h" |
| |
| namespace kudu { |
| |
| // Test Murmur2 Hash64 returns the expected values for inputs. These tests are |
| // duplicated on the Java side to ensure that hash computations are stable |
| // across both platforms. |
| TEST(HashUtilTest, TestMurmur2Hash64) { |
| uint64_t hash; |
| |
| hash = HashUtil::MurmurHash2_64("ab", 2, 0); |
| ASSERT_EQ(7115271465109541368, hash); |
| |
| hash = HashUtil::MurmurHash2_64("abcdefg", 7, 0); |
| ASSERT_EQ(2601573339036254301, hash); |
| |
| hash = HashUtil::MurmurHash2_64("quick brown fox", 15, 42); |
| ASSERT_EQ(3575930248840144026, hash); |
| } |
| |
| } // namespace kudu |
