1 /* 2 * Copyright (c) 2013, 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 8027411 8032869 27 * @summary test an invalid option 28 * @modules jdk.jdeps 29 */ 30 31 import java.io.*; 32 import java.util.zip.*; 33 34 public class InvalidOptions { 35 int errorCount; 36 String log; 37 38 public static void main(String[] args) throws Exception { 39 new InvalidOptions().run(); 40 } 41 42 void run() throws Exception { 43 test(2, "-b", "Error: unknown option: -b", 44 "Usage: javap <options> <classes>", 45 "use -help for a list of possible options"); 46 if (errorCount > 0) 47 throw new Exception(errorCount + " errors received"); 48 } 49 50 void test(int expect, String option, String ... expectedOutput) { 51 String output = runJavap(expect, option); 52 verify(output, expectedOutput); 53 } 54 55 String runJavap(int expect, String... option) { 56 StringWriter sw = new StringWriter(); 57 PrintWriter pw = new PrintWriter(sw); 58 int rc = com.sun.tools.javap.Main.run(option, pw); 59 pw.close(); 60 System.out.println("javap prints:"); 61 System.out.println(sw); 62 if (rc != expect) 63 throw new Error("Expect to return " + expect + ", but return " + rc); 64 return sw.toString(); 65 } 66 67 void verify(String output, String... expects) { 68 for (String expect: expects) { 69 if (!output.contains(expect)) 70 error(expect + " not found"); 71 } 72 } 73 74 void error(String msg) { 75 System.err.println(msg); 76 errorCount++; 77 } 78 }