jdk/test/java/util/jar/JarFile/JarNoManifest.java

/*
 * Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/* @test
   @bug 4771616
   @summary JarFile.maybeInstantiateVerifier must check for absence of manifest
 */

import java.io.*;
import java.util.jar.*;
import java.util.zip.*;

public class JarNoManifest {
  public static void main(String[] args) throws Exception {
    File f = new File(System.getProperty("test.src","."), "no-manifest.jar");
    JarFile jar = new JarFile(f);
    ZipEntry entry = jar.getEntry("JarNoManifest.java");
    // The following throws a NullPointerException when the bug is present
    InputStream in = jar.getInputStream(entry);
  }
}