cppcache/test/TXIdTest.cpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 <TXId.hpp>

#include <gtest/gtest.h>

namespace apache {
namespace geode {
namespace client {

TEST(TXIdTest, testIncrementTransactionID) {
  TXId tx1;
  ASSERT_EQ(1, tx1.getId());

  TXId tx2;
  ASSERT_EQ(2, tx2.getId());
}

TEST(TXIdTest, testIncrementTransactionIdOverMaxValue) {
  // Set inital value of transactionId to integer INT32_MAX.
  TXId::setInitalTransactionIDValue(INT32_MAX);

  // TransactionId is incremented by one each time TXId is created.
  // When transactionId is incremented over the INT32_MAX value
  // then it should be reset to one.
  TXId tx1;
  ASSERT_EQ(1, tx1.getId());

  TXId tx2;
  ASSERT_EQ(2, tx2.getId());

  // reset value at the end of test
  TXId::setInitalTransactionIDValue(0);
}

}  // namespace client
}  // namespace geode
}  // namespace apache