src/kudu/util/slice-test.cc

// Copyright 2014 Cloudera, Inc.
//
// 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 "kudu/util/slice.h"

#include <boost/foreach.hpp>
#include <gtest/gtest.h>

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

using std::string;

namespace kudu {

typedef SliceMap<int>::type MySliceMap;

TEST(SliceTest, TestSliceMap) {
  MySliceMap my_map;
  Slice a("a");
  Slice b("b");
  Slice c("c");

  // Insertion is deliberately out-of-order; the map should restore order.
  InsertOrDie(&my_map, c, 3);
  InsertOrDie(&my_map, a, 1);
  InsertOrDie(&my_map, b, 2);

  int expectedValue = 0;
  BOOST_FOREACH(const MySliceMap::value_type& pair, my_map) {
    int data = 'a' + expectedValue++;
    ASSERT_EQ(Slice(reinterpret_cast<uint8_t*>(&data), 1), pair.first);
    ASSERT_EQ(expectedValue, pair.second);
  }

  expectedValue = 0;
  for (MySliceMap::iterator iter = my_map.begin(); iter != my_map.end(); iter++) {
    int data = 'a' + expectedValue++;
    ASSERT_EQ(Slice(reinterpret_cast<uint8_t*>(&data), 1), iter->first);
    ASSERT_EQ(expectedValue, iter->second);
  }
}

} // namespace kudu