0N/A/*
2362N/A * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/* @test
0N/A @bug 4081733
0N/A @summary Make sure LineNumberReader returns right line number
0N/A when mark and reset are used
0N/A */
0N/A
0N/A
0N/Aimport java.io.*;
0N/A
0N/Apublic class MarkReset {
0N/A
0N/A /**
0N/A * This program creates a LineNumberReader and tries to find all
0N/A * the non-whitespace characters in the file.
0N/A */
0N/A public static void main(String[] args) throws Exception {
0N/A int n, line;
0N/A
0N/A LineNumberReader reader = new LineNumberReader
0N/A (new StringReader("0\r\n1\r2\n3\r\n\r5\r\r7\n\n9"));
0N/A for (n = 0; n < 7; n++) {
0N/A skipWhiteSpace(reader); /* Skip all whitespace */
0N/A int c = reader.read(); /* Read the non-whitespace character */
0N/A if (c < 0) { /* Might be eof */
0N/A break; /* It is. Get out of the loop */
0N/A }
0N/A line = reader.getLineNumber();
0N/A if(line != (c - 48)) {
0N/A throw new Exception("Failed test : Line number expected "
0N/A + (c - 48) + " got " + line );
0N/A }
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * Skip whitespace in the file. Mark and reset
0N/A */
0N/A private static void skipWhiteSpace(LineNumberReader reader) throws IOException {
0N/A while (true) {
0N/A /* Mark in case the character is not whitespace */
0N/A reader.mark(10);
0N/A /* Read the character */
0N/A int c = reader.read();
0N/A if (Character.isWhitespace((char) c)) {
0N/A /* Loop while in whitespace */
0N/A continue;
0N/A }
0N/A
0N/A /* Return to the non-whitespace character */
0N/A reader.reset();
0N/A break;
0N/A }
0N/A }
0N/A}