--- /dev/null
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.
+ */
+package io.atomix.utils.serializer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class BufferAwareByteArrayOutputStreamTest {
+
+ @Test
+ public void testBufferSize() throws Exception {
+ BufferAwareByteArrayOutputStream outputStream = new BufferAwareByteArrayOutputStream(8);
+ assertEquals(8, outputStream.getBufferSize());
+ outputStream.write(new byte[]{1, 2, 3, 4, 5, 6, 7, 8});
+ assertEquals(8, outputStream.getBufferSize());
+ outputStream.write(new byte[]{1, 2, 3, 4, 5, 6, 7, 8});
+ assertEquals(16, outputStream.getBufferSize());
+ outputStream.reset();
+ assertEquals(16, outputStream.getBufferSize());
+ }
+}