| /* |
| * 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); |
| } |
| } |