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 /* 25 * @test 26 * @bug 4501660 27 * @summary change diagnostic of -help as 'print this help message and exit' 28 * (actually, verify -help does not cause premature exit) 29 * @modules jdk.jdeps 30 */ 31 32 import java.io.*; 33 import java.util.zip.*; 34 35 public class T4501660 { 36 public static void main(String[] args) throws Exception { 37 new T4501660().run(); 38 } 39 40 public void run() throws IOException { 41 String testClasses = System.getProperty("test.classes", "."); 42 String output = javap("-classpath", testClasses, "-help", "T4501660"); 43 verify(output, 44 "-public", "-protected", "-private", // check -help output is present 45 "class T4501660" // check class output is present 46 ); 47 48 if (errors > 0) 49 throw new Error(errors + " found."); 50 } 51 52 String javap(String... args) { 53 StringWriter sw = new StringWriter(); 54 PrintWriter out = new PrintWriter(sw); 55 //sun.tools.javap.Main.entry(args); 56 int rc = com.sun.tools.javap.Main.run(args, out); 57 if (rc != 0) 58 throw new Error("javap failed. rc=" + rc); 59 out.close(); 60 System.out.println(sw); 61 return sw.toString(); 62 } 63 64 void verify(String output, String... expects) { 65 for (String expect: expects) { 66 if (output.indexOf(expect)< 0) 67 error(expect + " not found"); 68 } 69 } 70 71 void error(String msg) { 72 System.err.println(msg); 73 errors++; 74 } 75 76 int errors; 77 }