hash_policy_testing_test.cc

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// Copyright 2018 The Abseil Authors.

//

// 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

//

//      https://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 "absl/container/internal/hash_policy_testing.h"

#include "gtest/gtest.h"

namespace absl {

ABSL_NAMESPACE_BEGIN

namespace container_internal {

namespace {

TEST(_, Hash) {

  StatefulTestingHash h1;

  EXPECT_EQ(1, h1.id());

  StatefulTestingHash h2;

  EXPECT_EQ(2, h2.id());

  StatefulTestingHash h1c(h1);

  EXPECT_EQ(1, h1c.id());

  StatefulTestingHash h2m(std::move(h2));

  EXPECT_EQ(2, h2m.id());

  EXPECT_EQ(0, h2.id());

  StatefulTestingHash h3;

  EXPECT_EQ(3, h3.id());

  h3 = StatefulTestingHash();

  EXPECT_EQ(4, h3.id());

  h3 = std::move(h1);

  EXPECT_EQ(1, h3.id());

}  // namespace

}  // namespace container_internal

ABSL_NAMESPACE_END

}  // namespace absl