1 /* 2 * Copyright (c) 2008, 2024, 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 * @modules java.base/jdk.internal.misc 30 * @run main/othervm --enable-preview T4975569 31 * @run main T4975569 32 */ 33 34 import java.io.*; 35 import java.util.*; 36 import java.util.regex.Matcher; 37 import java.util.regex.Pattern; 38 39 import jdk.internal.misc.PreviewFeatures; 40 41 public class T4975569 { 42 private static final String NEW_LINE = System.getProperty("line.separator"); 43 private static final String TEST_CLASSES = System.getProperty("test.classes", "."); 44 45 public static void main(String... args) { 46 new T4975569().run(); 47 } 48 49 void run() { 50 verify(Anno.class.getName(), "flags: \\(0x2600\\) ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION"); 51 verify(E.class.getName(), PreviewFeatures.isEnabled() 52 ? "flags: \\(0x4030\\) ACC_FINAL, ACC_IDENTITY, ACC_ENUM" 53 : "flags: \\(0x4030\\) ACC_FINAL, ACC_SUPER, ACC_ENUM"); 54 verify(E.class.getName(), PreviewFeatures.isEnabled() 55 ? "flags: \\(0x4030\\) ACC_FINAL, ACC_IDENTITY, ACC_ENUM" 56 : "flags: \\(0x4030\\) ACC_FINAL, ACC_SUPER, ACC_ENUM"); 57 verify(S.class.getName(), "flags: \\(0x1040\\) ACC_BRIDGE, ACC_SYNTHETIC", 58 "InnerClasses:\n static [# =\\w]+; +// "); 59 verify(V.class.getName(), "void m\\(java.lang.String...\\)", 60 "flags: \\(0x0080\\) ACC_VARARGS"); 61 verify(Prot.class.getName(), "InnerClasses:\n protected [# =\\w]+; +// "); 62 verify(Priv.class.getName(), new String[]{"-p"}, 63 "InnerClasses:\n private [# =\\w]+; +// "); 64 65 if (errors > 0) 66 throw new Error(errors + " found."); 67 } 68 69 void verify(String className, String[] flags, String... expects) { 70 String output = javap(className, Arrays.asList(flags)); 71 for (String expect: expects) { 72 Pattern expectPattern = Pattern.compile(expect); 73 Matcher matcher = expectPattern.matcher(output); 74 if (!matcher.find()) { 75 error(expect + " not found"); 76 } 77 } 78 } 79 80 void verify(String className, String... expects) { 81 verify(className, new String[0], expects); 82 } 83 84 int errors; 85 void error(String msg) { 86 System.err.println(msg.replace("\n", NEW_LINE)); 87 errors++; 88 } 89 90 String javap(String className, List<String> flags) { 91 StringWriter sw = new StringWriter(); 92 PrintWriter out = new PrintWriter(sw); 93 List<String> args = new ArrayList<>(flags); 94 args.addAll(Arrays.asList("-v", "-classpath", TEST_CLASSES, className)); 95 int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), out); 96 out.close(); 97 String output = sw.toString(); 98 System.err.println("class " + className); 99 System.err.println(output); 100 101 if (rc != 0) 102 throw new Error("javap failed. rc=" + rc); 103 return output.replaceAll(NEW_LINE, "\n"); 104 } 105 106 List x() { return null; } 107 108 class V { void m(String... args) { } } 109 enum E { e } 110 @interface Anno { } 111 static class S extends T4975569 { 112 ArrayList x() { return null; } 113 } 114 115 protected class Prot { } 116 private class Priv { int i; } 117 }