1 /* 2 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 5071352 27 * @summary Make sure compiler closes all open files on Windows 28 * @author Martin Buchholz 29 * 30 * @run main/othervm -Xms200m -Xmx200m CompileClose 31 */ 32 33 // -Xms120m is sufficient to inhibit a gc during a compile. 34 // -Xms200m leaves room for expansion and was used by the customer. 35 36 import java.io.*; 37 38 public class CompileClose { writeFile(String f, String contents)39 static void writeFile(String f, String contents) throws IOException { 40 PrintStream s = new PrintStream(new FileOutputStream(f)); 41 s.println(contents); 42 s.close(); 43 } 44 rm(String filename)45 static void rm(String filename) throws Exception { 46 File f = new File(filename); 47 f.delete(); 48 if (f.exists()) 49 throw new Exception(filename + ": couldn't remove"); 50 } 51 clean()52 static void clean() throws Exception { 53 rm("tmpCompileClose.java"); 54 rm("tmpCompileClose.class"); 55 rm("tmpCompileClose.jar"); 56 } 57 main(String args[])58 public static void main(String args[]) throws Exception { 59 try { 60 clean(); 61 main1(); 62 } finally { 63 clean(); 64 } 65 } 66 main1()67 static void main1() throws Exception { 68 writeFile("tmpCompileClose.java", 69 "public class tmpCompileClose {}"); 70 // Any old jar file will do 71 SameJVM.jar("cf", "tmpCompileClose.jar", "tmpCompileClose.java"); 72 System.gc(); // Inhibit gc during next compile 73 SameJVM.javac("-cp", "tmpCompileClose.jar", "tmpCompileClose.java"); 74 // The following rm is the actual test! 75 rm("tmpCompileClose.jar"); 76 } 77 } 78