content: /*
   * Copyright (C) 2012 The Android Open Source Project
   *
   * 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 com.android.volley.toolbox;
  
  import android.test.AndroidTestCase;
  
  public class ByteArrayPoolTest extends AndroidTestCase {
      public void testReusesBuffer() {
          ByteArrayPool pool = new ByteArrayPool(32);
  
          byte[] buf1 = pool.getBuf(16);
          byte[] buf2 = pool.getBuf(16);
  
          pool.returnBuf(buf1);
          pool.returnBuf(buf2);
  
          byte[] buf3 = pool.getBuf(16);
          byte[] buf4 = pool.getBuf(16);
          assertTrue(buf3 == buf1 || buf3 == buf2);
          assertTrue(buf4 == buf1 || buf4 == buf2);
          assertTrue(buf3 != buf4);
      }
  
      public void testObeysSizeLimit() {
          ByteArrayPool pool = new ByteArrayPool(32);
  
          byte[] buf1 = pool.getBuf(16);
          byte[] buf2 = pool.getBuf(16);
          byte[] buf3 = pool.getBuf(16);
  
          pool.returnBuf(buf1);
          pool.returnBuf(buf2);
          pool.returnBuf(buf3);
  
          byte[] buf4 = pool.getBuf(16);
          byte[] buf5 = pool.getBuf(16);
          byte[] buf6 = pool.getBuf(16);
  
          assertTrue(buf4 == buf2 || buf4 == buf3);
          assertTrue(buf5 == buf2 || buf5 == buf3);
          assertTrue(buf4 != buf5);
          assertTrue(buf6 != buf1 && buf6 != buf2 && buf6 != buf3);
      }
  
      public void testReturnsBufferWithRightSize() {
          ByteArrayPool pool = new ByteArrayPool(32);
  
          byte[] buf1 = pool.getBuf(16);
          pool.returnBuf(buf1);
  
          byte[] buf2 = pool.getBuf(17);
          assertNotSame(buf2, buf1);
  
          byte[] buf3 = pool.getBuf(15);
          assertSame(buf3, buf1);
      }
  }
  