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 6715251 27 * @summary javap should be consistent with javac and return 2 if given no arguments 28 * @modules jdk.jdeps/com.sun.tools.javap 29 */ 30 31import java.io.*; 32import java.util.*; 33 34public class T6715251 { 35 public static void main(String... args) throws Exception { 36 new T6715251().run(); 37 } 38 39 void run() throws Exception { 40 String testClasses = System.getProperty("test.classes", "."); 41 42 test(2); 43 test(0, "-help"); 44 test(0, "-version"); 45 test(0, "-fullversion"); 46 test(0, "-classpath", testClasses, "T6715251"); 47 48 if (errors > 0) 49 throw new Exception(errors + " errors received"); 50 } 51 52 void test(int expect, String ... args) { 53 int rc = javap(args); 54 if (rc != expect) 55 error("bad result: expected: " + expect + ", found " + rc + "\n" 56 + log); 57 58 } 59 60 int javap(String... args) { 61 StringWriter sw = new StringWriter(); 62 PrintWriter pw = new PrintWriter(sw); 63 int rc = com.sun.tools.javap.Main.run(args, pw); 64 log = sw.toString(); 65 return rc; 66 } 67 68 void error(String msg) { 69 System.err.println(msg); 70 errors++; 71 } 72 73 String log; 74 int errors; 75} 76