1 /*
  2  * Copyright (c) 2008, 2016, 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 4975569 6622215 8034861
 27  * @summary javap doesn't print new flag bits
 28  * @modules jdk.jdeps/com.sun.tools.javap
 29  */
 30 
 31 import java.io.*;
 32 import java.util.*;
 33 import java.util.regex.Matcher;
 34 import java.util.regex.Pattern;
 35 
 36 public class T4975569 {
 37     private static final String NEW_LINE = System.getProperty("line.separator");
 38     private static final String TEST_CLASSES = System.getProperty("test.classes", ".");
 39 
 40     public static void main(String... args) {
 41         new T4975569().run();
 42     }
 43 
 44     void run() {
 45         verify(Anno.class.getName(), "flags: \\(0x2600\\) ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION");
 46         verify(E.class.getName(),    "flags: \\(0x4030\\) ACC_FINAL, ACC_SUPER, ACC_ENUM");
 47         verify(S.class.getName(),    "flags: \\(0x1040\\) ACC_BRIDGE, ACC_SYNTHETIC",
 48                                      "InnerClasses:\n  static [# =\\w]+; +// ");
 49         verify(V.class.getName(),    "void m\\(java.lang.String...\\)",
 50                                      "flags: \\(0x0080\\) ACC_VARARGS");
 51         verify(Prot.class.getName(), "InnerClasses:\n  protected [# =\\w]+; +// ");
 52         verify(Priv.class.getName(), new String[]{"-p"},
 53                                      "InnerClasses:\n  private [# =\\w]+; +// ");
 54 
 55         if (errors > 0)
 56             throw new Error(errors + " found.");
 57     }
 58 
 59     void verify(String className, String[] flags, String... expects) {
 60         String output = javap(className, Arrays.asList(flags));
 61         for (String expect: expects) {
 62             Pattern expectPattern = Pattern.compile(expect);
 63             Matcher matcher = expectPattern.matcher(output);
 64             if (!matcher.find()) {
 65                 error(expect + " not found");
 66             }
 67         }
 68     }
 69 
 70     void verify(String className, String... expects) {
 71         verify(className, new String[0], expects);
 72     }
 73 
 74     int errors;
 75     void error(String msg) {
 76         System.err.println(msg.replace("\n", NEW_LINE));
 77         errors++;
 78     }
 79 
 80     String javap(String className, List<String> flags) {
 81         StringWriter sw = new StringWriter();
 82         PrintWriter out = new PrintWriter(sw);
 83         List<String> args = new ArrayList<>(flags);
 84         args.addAll(Arrays.asList("-v", "-classpath", TEST_CLASSES, className));
 85         int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), out);
 86         out.close();
 87         String output = sw.toString();
 88         System.err.println("class " + className);
 89         System.err.println(output);
 90 
 91         if (rc != 0)
 92             throw new Error("javap failed. rc=" + rc);
 93         return output.replaceAll(NEW_LINE, "\n");
 94     }
 95 
 96     List x() { return null; }
 97 
 98     class V { void m(String... args) { } }
 99     enum E { e }
100     @interface Anno { }
101     static class S extends T4975569 {
102         ArrayList x() { return null; }
103     }
104 
105     protected class Prot { }
106     private class Priv { int i; }
107 }
108