91 lines
3.1 KiB
Java
91 lines
3.1 KiB
Java
/*
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* Copyright (c) 2019, 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 8078891
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* @summary Ensure close() closes all component streams
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*/
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.SequenceInputStream;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.List;
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public class Close {
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public static void main(String[] argv) {
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byte[] buf = new byte[42];
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List<CloseableBAOS> list = List.of(new CloseableBAOS(buf),
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new CloseableBAOS(buf), new CloseableBAOS(buf),
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new CloseableBAOS(buf));
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Enumeration<CloseableBAOS> enumeration = Collections.enumeration(list);
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SequenceInputStream sequence = new SequenceInputStream(enumeration);
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try {
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sequence.close();
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throw new RuntimeException("Expected IOException not thrown");
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} catch (IOException e) {
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for (CloseableBAOS c : list) {
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if (!c.isClosed()) {
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throw new RuntimeException("Component stream not closed");
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}
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}
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Throwable[] suppressed = e.getSuppressed();
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if (suppressed == null) {
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throw new RuntimeException("No suppressed exceptions");
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} else if (suppressed.length != list.size() - 1) {
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throw new RuntimeException("Expected " + (list.size() - 1) +
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" suppressed exceptions but got " + suppressed.length);
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}
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for (Throwable t : suppressed) {
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if (!(t instanceof IOException)) {
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throw new RuntimeException("Expected IOException but got " +
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t.getClass().getName());
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}
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}
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}
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}
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static class CloseableBAOS extends ByteArrayInputStream{
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private boolean closed;
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CloseableBAOS(byte[] buf) {
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super(buf);
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}
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@Override
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public void close() throws IOException {
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closed = true;
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throw new IOException();
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}
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public boolean isClosed() {
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return closed;
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}
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}
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}
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