atomix-storage/src/test/java/io/atomix/utils/serializer/BufferAwareByteArrayOutputStreamTest.java

   1 /*
   2  * Copyright 2017-2022 Open Networking Foundation and others.  All rights reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package io.atomix.utils.serializer;
  17
  18 import static org.junit.jupiter.api.Assertions.assertEquals;
  19
  20 import org.junit.jupiter.api.Test;
  21
  22 class BufferAwareByteArrayOutputStreamTest {
  23     @Test
  24     void testBufferSize() throws Exception {
  25         final var outputStream = new BufferAwareByteArrayOutputStream(8);
  26         assertEquals(8, outputStream.getBufferSize());
  27         outputStream.write(new byte[]{1, 2, 3, 4, 5, 6, 7, 8});
  28         assertEquals(8, outputStream.getBufferSize());
  29         outputStream.write(new byte[]{1, 2, 3, 4, 5, 6, 7, 8});
  30         assertEquals(16, outputStream.getBufferSize());
  31         outputStream.reset();
  32         assertEquals(16, outputStream.getBufferSize());
  33     }
  34 }