1 /* 2 * Copyright (c) 2014, 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 8033180 27 * @summary Bad newline characters 28 * @modules jdk.compiler 29 */ 30 31 import java.io.*; 32 import java.util.*; 33 34 public class T8033180 { 35 36 public static void main(String... args) throws Exception { 37 new T8033180().run(); 38 } 39 40 void run() throws Exception { 41 // fast-track this case, because test cannot fail in this case 42 if (lineSep.equals(nl)) 43 return; 44 45 test("-help"); 46 test("-version"); 47 48 if (errors > 0) 49 throw new Exception(errors + " errors occurred"); 50 } 51 52 static final String lineSep = System.getProperty("line.separator"); 53 static final String nl = "\n"; 54 55 void test(String... opts) throws Exception { 56 System.err.println("test " + Arrays.asList(opts)); 57 List<String> args = new ArrayList<String>(); 58 args.addAll(Arrays.asList(opts)); 59 StringWriter sw = new StringWriter(); 60 PrintWriter pw = new PrintWriter(sw); 61 int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw); 62 pw.close(); 63 String out = sw.toString(); 64 if (rc != 0) 65 throw new Exception("javap failed unexpectedly: rc=" + rc); 66 67 // remove all valid platform newline sequences 68 String out2 = out.replace(lineSep, ""); 69 70 // count the remaining simple newline characters 71 int count = 0; 72 int i = out2.indexOf(nl, 0); 73 while (i != -1) { 74 count++; 75 i = out2.indexOf(nl, i + nl.length()); 76 } 77 78 if (count > 0) 79 error(count + " newline characters found"); 80 } 81 82 void error(String msg) { 83 System.err.println("Error: " + msg); 84 errors++; 85 } 86 87 int errors = 0; 88 } 89