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