src/kudu/util/hash_util-test.cc

// Licensed to the Apache Software Foundation (ASF) under one
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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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#include "kudu/util/test_util.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