395N/A/*
3261N/A * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
395N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
395N/A *
395N/A * This code is free software; you can redistribute it and/or modify it
395N/A * under the terms of the GNU General Public License version 2 only, as
395N/A * published by the Free Software Foundation.
395N/A *
395N/A * This code is distributed in the hope that it will be useful, but WITHOUT
395N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
395N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
395N/A * version 2 for more details (a copy is included in the LICENSE file that
395N/A * accompanied this code).
395N/A *
395N/A * You should have received a copy of the GNU General Public License version
395N/A * 2 along with this work; if not, write to the Free Software Foundation,
395N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
395N/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.
395N/A */
395N/A
395N/A/* @test
395N/A * @summary Verify that if InputStream.read returns 0 we throw an exception.
395N/A * @bug 4684515
395N/A */
395N/A
395N/Aimport java.io.*;
395N/A
395N/Apublic class ReadZero {
395N/A
395N/A public static void main(String [] args) throws IOException {
395N/A ReadZero r = new ReadZero();
395N/A r.testInputStream();
395N/A }
395N/A
395N/A private void testInputStream() throws IOException {
395N/A File f = new File(System.getProperty("test.src", "."), "ReadZero.java");
395N/A InputStream is = new FileInputStream(f) {
395N/A public int read(byte [] b, int off, int len) {
395N/A System.out.println("FileInputStream.read");
395N/A return 0;
395N/A }
395N/A };
2546N/A try {
2546N/A is.read(new byte[1], 0, 1); // ok
2546N/A InputStreamReader isr = new InputStreamReader(is);
395N/A
2546N/A try {
2546N/A int res = isr.read(new char[1], 0, 1);
2546N/A } catch (IOException x) {
2546N/A System.out.println("IOException caught");
2546N/A return;
2546N/A }
2546N/A } finally {
2546N/A is.close();
395N/A }
395N/A throw new RuntimeException("IOException not thrown");
395N/A }
395N/A}