62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
/*
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* Copyright (c) 2008, 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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* @summary Verify that if InputStream.read returns 0 we throw an exception.
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* @bug 4684515
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*/
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import java.io.*;
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public class ReadZero {
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public static void main(String [] args) throws IOException {
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ReadZero r = new ReadZero();
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r.testInputStream();
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}
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private void testInputStream() throws IOException {
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File f = new File(System.getProperty("test.src", "."), "ReadZero.java");
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InputStream is = new FileInputStream(f) {
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public int read(byte [] b, int off, int len) {
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System.out.println("FileInputStream.read");
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return 0;
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}
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};
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try {
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is.read(new byte[1], 0, 1); // ok
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InputStreamReader isr = new InputStreamReader(is);
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try {
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int res = isr.read(new char[1], 0, 1);
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} catch (IOException x) {
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System.out.println("IOException caught");
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return;
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}
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} finally {
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is.close();
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}
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throw new RuntimeException("IOException not thrown");
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}
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}
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