sdk/sources/android-23/org/apache/harmony/tests/java/io/OpenRandomFileTest.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.harmony.tests.java.io;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;

import junit.framework.TestCase;

public class OpenRandomFileTest extends TestCase {

    public static void main(String[] args) throws IOException {
        new OpenRandomFileTest().testOpenEmptyFile();
    }

    public OpenRandomFileTest() {
        super();
    }

    public void testOpenNonEmptyFile() throws IOException {
        File file = File.createTempFile("test", "tmp");
        assertTrue(file.exists());
        file.deleteOnExit();
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
        fos.close();

        String fileName = file.getCanonicalPath();
        RandomAccessFile raf = new RandomAccessFile(fileName, "rw");
        raf.close();
    }

    public void testOpenEmptyFile() throws IOException {
        File file = File.createTempFile("test", "tmp");
        assertTrue(file.exists());
        file.deleteOnExit();

        String fileName = file.getCanonicalPath();
        RandomAccessFile raf = new RandomAccessFile(fileName, "rw");
        raf.close();
    }
}