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/*
* Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
@bug 4106810 4027740 4078997 4097738
@summary Make sure StreamTokenizer will correctly
parse different types of comments in input.
*/
import java.io.*;
public class Comment {
public static void main(String[] args) throws Exception {
File f = new File(System.getProperty("test.src", "."), "input.txt");
int slashIsCommentStart = 1;
int slashSlashComment = 2;
int slashStarComment = 4;
for (int i = 0; i < 8 ; i++) {
FileReader reader = new FileReader(f);
try {
StreamTokenizer st = new StreamTokenizer(reader);
/* decide the state of this run */
boolean slashCommentFlag = ((i & slashIsCommentStart) != 0);
boolean slashSlashCommentFlag = ((i & slashSlashComment) != 0);
boolean slashStarCommentFlag = ((i & slashStarComment) != 0);
/* set the initial state of the tokenizer */
if (!slashCommentFlag) {
st.ordinaryChar('/');
}
st.slashSlashComments(slashSlashCommentFlag);
st.slashStarComments(slashStarCommentFlag);
/* now go throgh the input file */
while(st.nextToken() != StreamTokenizer.TT_EOF)
{
String token = st.sval;
if (token == null) {
continue;
} else {
if ((token.compareTo("Error1") == 0) && slashStarCommentFlag) {
throw new Exception("Failed to pass one line C comments!");
}
if ((token.compareTo("Error2") == 0) && slashStarCommentFlag) {
throw new Exception("Failed to pass multi line C comments!");
}
if ((token.compareTo("Error3") == 0) && slashSlashCommentFlag) {
throw new Exception("Failed to pass C++ comments!");
}
if ((token.compareTo("Error4") == 0) && slashCommentFlag) {
throw new Exception("Failed to pass / comments!");
}
}
}
} finally {
reader.close();
}
}
}
}
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