YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

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//

//   http://www.apache.org/licenses/LICENSE-2.0

//

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// specific language governing permissions and limitations

// under the License.

//

// The following only applies to changes made to this file as part of YugaByte development.

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// Portions Copyright (c) YugaByte, Inc.

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// 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

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// http://www.apache.org/licenses/LICENSE-2.0

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// 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

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// under the License.

//

// This unit test belongs in gutil, but it depends on test_main which is

// part of util.

#include "yb/gutil/map-util.h"

#include <gtest/gtest.h>

using std::map;

using std::string;

using std::unique_ptr;

namespace yb {

TEST(FloorTest, TestMapUtil) {

  map<int, int> my_map;

  ASSERT_EQ(nullptr, FindFloorOrNull(my_map, 5));

  my_map[5] = 5;

  ASSERT_EQ(5, *FindFloorOrNull(my_map, 6));

  ASSERT_EQ(5, *FindFloorOrNull(my_map, 5));

  ASSERT_EQ(nullptr, FindFloorOrNull(my_map, 4));

  my_map[1] = 1;

  ASSERT_EQ(5, *FindFloorOrNull(my_map, 6));

  ASSERT_EQ(5, *FindFloorOrNull(my_map, 5));

  ASSERT_EQ(1, *FindFloorOrNull(my_map, 4));

  ASSERT_EQ(1, *FindFloorOrNull(my_map, 1));

  ASSERT_EQ(nullptr, FindFloorOrNull(my_map, 0));

}

TEST(EmplaceTest, TestEmplace) {

  // Map with move-only value type.

  map<string, unique_ptr<string>> my_map;

  unique_ptr<string> val(new string("foo"));

  ASSERT_TRUE(EmplaceIfNotPresent(&my_map, "k", std::move(val)));

  ASSERT_TRUE(ContainsKey(my_map, "k"));

  ASSERT_FALSE(EmplaceIfNotPresent(&my_map, "k", nullptr))

      << "Should return false for already-present";

}

} // namespace yb