Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/T6558476.java
test/tools/javac/T6558476.java
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- 2eb010b6cb22
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| 1 /* | |
| 2 * Copyright (c) 2008, 2013, 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 6558476 | |
| 27 * @summary com/sun/tools/javac/Main.compile don't release file handles on return | |
| 28 * @run main/othervm -Xmx512m -Xms512m T6558476 | |
| 29 */ | |
| 30 | |
| 31 import java.io.File; | |
| 32 import java.io.FileInputStream; | |
| 33 import java.io.FileOutputStream; | |
| 34 import java.io.IOException; | |
| 35 import java.util.Random; | |
| 36 | |
| 37 import com.sun.tools.javac.Main; | |
| 38 | |
| 39 public class T6558476 { | |
| 40 private static File copyFileTo(File file, File directory) throws IOException { | |
| 41 File newFile = new File(directory, file.getName()); | |
| 42 FileInputStream fis = null; | |
| 43 FileOutputStream fos = null; | |
| 44 try { | |
| 45 fis = new FileInputStream(file); | |
| 46 fos = new FileOutputStream(newFile); | |
| 47 byte buff[] = new byte[1024]; | |
| 48 int val; | |
| 49 while ((val = fis.read(buff)) > 0) | |
| 50 fos.write(buff, 0, val); | |
| 51 } finally { | |
| 52 if (fis != null) | |
| 53 fis.close(); | |
| 54 if (fos != null) | |
| 55 fos.close(); | |
| 56 } | |
| 57 return newFile; | |
| 58 } | |
| 59 | |
| 60 private static String generateJavaClass(String className) { | |
| 61 StringBuffer sb = new StringBuffer(); | |
| 62 sb.append("import sun.net.spi.nameservice.dns.DNSNameService;\n"); | |
| 63 sb.append("public class "); | |
| 64 sb.append(className); | |
| 65 sb.append(" {\n"); | |
| 66 sb.append(" public void doStuff() {\n"); | |
| 67 sb.append(" DNSNameService dns = null;\n"); | |
| 68 sb.append(" }\n"); | |
| 69 sb.append("}\n"); | |
| 70 return sb.toString(); | |
| 71 } | |
| 72 | |
| 73 public static void main(String[] args) throws IOException { | |
| 74 File javaHomeDir = new File(System.getProperty("java.home")); | |
| 75 File outputDir = new File("outputDir" + new Random().nextInt(65536)); | |
| 76 outputDir.mkdir(); | |
| 77 outputDir.deleteOnExit(); | |
| 78 | |
| 79 File dnsjarfile = new File(javaHomeDir, "lib" + File.separator + "ext" + File.separator + "dnsns.jar"); | |
| 80 File tmpJar = copyFileTo(dnsjarfile, outputDir); | |
| 81 String className = "TheJavaFile"; | |
| 82 File javaFile = new File(outputDir, className + ".java"); | |
| 83 javaFile.deleteOnExit(); | |
| 84 FileOutputStream fos = new FileOutputStream(javaFile); | |
| 85 fos.write(generateJavaClass(className).getBytes()); | |
| 86 fos.close(); | |
| 87 | |
| 88 int rc = Main.compile(new String[]{"-d", outputDir.getPath(), | |
| 89 "-classpath", | |
| 90 tmpJar.getPath(), | |
| 91 javaFile.getAbsolutePath()}); | |
| 92 if (rc != 0) { | |
| 93 throw new Error("Couldn't compile the file (exit code=" + rc + ")"); | |
| 94 } | |
| 95 | |
| 96 if (tmpJar.delete()) { | |
| 97 System.out.println("jar file successfully deleted"); | |
| 98 } else { | |
| 99 throw new Error("Error deleting file \"" + tmpJar.getPath() + "\""); | |
| 100 } | |
| 101 } | |
| 102 } |
