1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package libcore.java.io; 18 19import java.io.File; 20import java.io.FileInputStream; 21import java.io.FileNotFoundException; 22import java.io.IOException; 23import java.io.RandomAccessFile; 24import java.net.ServerSocket; 25import junit.framework.TestCase; 26 27public class FileDescriptorTest extends TestCase { 28 public void testReadOnlyFileDescriptorSync() throws Exception { 29 File f= File.createTempFile("FileDescriptorTest", "tmp"); 30 new RandomAccessFile(f, "r").getFD().sync(); 31 } 32 33 public void test_isSocket$() throws Exception { 34 File f = new File("/dev/null"); 35 FileInputStream fis = new FileInputStream(f); 36 assertFalse(fis.getFD().isSocket$()); 37 fis.close(); 38 39 ServerSocket s = new ServerSocket(); 40 assertTrue(s.getImpl$().getFD$().isSocket$()); 41 s.close(); 42 } 43} 44