1 /*
   2  * Copyright (c) 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 8080679
  27  * @summary Verify ConsoleReader.stripAnsi strips escape sequences from its input correctly.
  28  */
  29 
  30 import java.io.ByteArrayInputStream;
  31 import java.io.ByteArrayOutputStream;
  32 import java.lang.reflect.Method;
  33 import jdk.internal.jline.console.ConsoleReader;
  34 
  35 public class StripAnsiTest {
  36     public static void main(String... args) throws Exception {
  37         new StripAnsiTest().run();
  38     }
  39 
  40     void run() throws Exception {
  41         ByteArrayInputStream in = new ByteArrayInputStream(new byte[0]);
  42         ByteArrayOutputStream out = new ByteArrayOutputStream();
  43         ConsoleReader reader = new ConsoleReader(in, out);
  44 
  45         String withAnsi = "0\033[s1\033[2J2\033[37;4m3";
  46         String expected = "0123";
  47 
  48         Method stripAnsi = ConsoleReader.class.getDeclaredMethod("stripAnsi", String.class);
  49         stripAnsi.setAccessible(true);
  50         String actual = (String) stripAnsi.invoke(reader, withAnsi);
  51 
  52         if (!expected.equals(actual)) {
  53             throw new IllegalStateException("Did not correctly strip escape sequences: " + actual);
  54         }
  55     }
  56 }