UnsynchronizedBufferTest.java

/*
 * 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.
 */
package org.apache.calcite.avatica.util;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * Tests for the UnsynchronizedBuffer.
 */
public class UnsynchronizedBufferTest {

  @Test public void testArrayResizing() {
    int size = 64;
    int expected = 128;
    for (int i = 0; i < 10; i++) {
      // We keep being one byte short to contain this message
      int next = UnsynchronizedBuffer.nextArraySize(size + 1);
      assertEquals(expected, next);
      size = next;
      expected *= 2;
    }
  }
}

// End UnsynchronizedBufferTest.java