| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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. |
| */ |
| |
| /* |
| * @author max |
| */ |
| package com.intellij.util.io.storage; |
| |
| import com.intellij.openapi.util.Disposer; |
| import com.intellij.openapi.util.io.ByteSequence; |
| import com.intellij.openapi.util.io.FileUtil; |
| import junit.framework.TestCase; |
| |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| |
| public class StorageTest extends TestCase { |
| private Storage myStorage; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| myStorage = new Storage(getFileName()); |
| } |
| |
| private String getFileName() { |
| return FileUtil.getTempDirectory() + File.separatorChar + getName(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| Disposer.dispose(myStorage); |
| Storage.deleteFiles(getFileName()); |
| super.tearDown(); |
| } |
| |
| public void testSmoke() throws Exception { |
| final int record = myStorage.createNewRecord(); |
| myStorage.writeBytes(record, new ByteSequence("Hello".getBytes()), false); |
| assertEquals("Hello", new String(myStorage.readBytes(record))); |
| } |
| |
| public void testStress() throws Exception { |
| StringBuffer data = new StringBuffer(); |
| for (int i = 0; i < 100; i++) { |
| data.append("Hello "); |
| } |
| String hello = data.toString(); |
| |
| long start = System.currentTimeMillis(); |
| final int count = 100000; |
| int[] records = new int[count]; |
| |
| for (int i = 0; i < count; i++) { |
| final int record = myStorage.createNewRecord(); |
| myStorage.writeBytes(record, new ByteSequence(hello.getBytes()), true); // fixed size optimization is mor than 50 percents here! |
| records[i] = record; |
| } |
| |
| for (int record : records) { |
| assertEquals(hello, new String(myStorage.readBytes(record))); |
| } |
| |
| long timedelta = System.currentTimeMillis() - start; |
| System.out.println("Done for " + timedelta + "msec."); |
| } |
| |
| public void testAppender() throws Exception { |
| final int r = myStorage.createNewRecord(); |
| |
| DataOutputStream out = new DataOutputStream(myStorage.appendStream(r)); |
| for (int i = 0; i < 10000; i++) { |
| out.writeInt(i); |
| if (i % 100 == 0) { |
| myStorage.readStream(r); // Drop the appenders cache |
| out.close(); |
| out = new DataOutputStream(myStorage.appendStream(r)); |
| } |
| } |
| |
| out.close(); |
| |
| |
| DataInputStream in = new DataInputStream(myStorage.readStream(r)); |
| for (int i = 0; i < 10000; i++) { |
| assertEquals(i, in.readInt()); |
| } |
| |
| in.close(); |
| } |
| |
| public void testAppender2() throws Exception { |
| int r = myStorage.createNewRecord(); |
| appendNBytes(r, 64); |
| appendNBytes(r, 256); |
| appendNBytes(r, 512); |
| } |
| |
| private void appendNBytes(final int r, final int len) throws IOException { |
| DataOutputStream out = new DataOutputStream(myStorage.appendStream(r)); |
| for (int i = 0; i < len; i++) { |
| out.write(0); |
| } |
| myStorage.readBytes(r); |
| } |
| } |