text: /*
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * Licensed 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 <gtest/gtest.h>
  
  #include "cachelib/navy/common/Hash.h"
  
  namespace facebook {
  namespace cachelib {
  namespace navy {
  namespace tests {
  TEST(Hash, HashedKeyCollision) {
    HashedKey hk1{makeView("key 1")};
    HashedKey hk2{makeView("key 2")};
  
    // Simulate a case where hash matches but key doesn't.
    HashedKey hk3 = HashedKey::precomputed(hk2.key(), hk1.keyHash());
  
    EXPECT_NE(hk1, hk2);
    EXPECT_NE(hk1, hk3);
    EXPECT_NE(hk2, hk3);
  }
  } // namespace tests
  } // namespace navy
  } // namespace cachelib
  } // namespace facebook
  