1 /* 2 * Copyright (c) 2008, 2015, 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 import java.io.*; 25 26 /* 27 * @test 28 * @bug 4111861 29 * @summary static final field contents are not displayed 30 * @modules jdk.jdeps 31 */ 32 public class T4111861 { 33 public static void main(String... args) throws Exception { 34 new T4111861().run(); 35 } 36 37 void run() throws Exception { 38 File testSrc = new File(System.getProperty("test.src", ".")); 39 File a_java = new File(testSrc, "A.java"); 40 javac("-d", ".", a_java.getPath()); 41 42 String out = javap("-classpath", ".", "-constants", "A"); 43 44 String a = read(a_java); 45 46 if (!filter(out).equals(filter(read(a_java)))) { 47 System.out.println(out); 48 throw new Exception("unexpected output"); 49 } 50 } 51 52 String javac(String... args) throws Exception { 53 StringWriter sw = new StringWriter(); 54 PrintWriter pw = new PrintWriter(sw); 55 int rc = com.sun.tools.javac.Main.compile(args, pw); 56 if (rc != 0) 57 throw new Exception("javac failed, rc=" + rc); 58 return sw.toString(); 59 } 60 61 String javap(String... args) throws Exception { 62 StringWriter sw = new StringWriter(); 63 PrintWriter pw = new PrintWriter(sw); 64 int rc = com.sun.tools.javap.Main.run(args, pw); 65 if (rc != 0) 66 throw new Exception("javap failed, rc=" + rc); 67 return sw.toString(); 68 } 69 70 String read(File f) throws IOException { 71 StringBuilder sb = new StringBuilder(); 72 BufferedReader in = new BufferedReader(new FileReader(f)); 73 try { 74 String line; 75 while ((line = in.readLine()) != null) { 76 sb.append(line); 77 sb.append('\n'); 78 } 79 } finally { 80 in.close(); 81 } 82 return sb.toString(); 83 } 84 85 // return those lines beginning "public static final" 86 String filter(String s) throws IOException { 87 StringBuilder sb = new StringBuilder(); 88 BufferedReader in = new BufferedReader(new StringReader(s)); 89 try { 90 String line; 91 while ((line = in.readLine()) != null) { 92 if (line.indexOf("public static final") > 0) { 93 sb.append(line.trim()); 94 sb.append('\n'); 95 } 96 } 97 } finally { 98 in.close(); 99 } 100 return sb.toString(); 101 } 102 }