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