128 lines
4.4 KiB
Java
128 lines
4.4 KiB
Java
/*
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* Copyright (c) 2024, 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 8340684
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@summary Verify unspecified, but long-standing behavior when reading
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from an input stream obtained using ZipFile::getInputStream after
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the ZipFile has been closed.
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@run junit ReadAfterClose
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*/
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import org.junit.jupiter.api.AfterEach;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.stream.Stream;
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import java.util.zip.CRC32;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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import java.util.zip.ZipOutputStream;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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public class ReadAfterClose {
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// ZIP file used in this test
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private Path zip = Path.of("read-after-close.zip");
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/**
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* Create a sample ZIP file for use by this test
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* @throws IOException if an unexpected IOException occurs
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*/
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@BeforeEach
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public void setUp() throws IOException {
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byte[] content = "hello".repeat(1000).getBytes(StandardCharsets.UTF_8);
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try (OutputStream out = Files.newOutputStream(zip);
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ZipOutputStream zo = new ZipOutputStream(out)) {
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{
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zo.putNextEntry(new ZipEntry("deflated.txt"));
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zo.write(content);
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}
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{
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ZipEntry entry = new ZipEntry("stored.txt");
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entry.setMethod(ZipEntry.STORED);
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CRC32 crc = new CRC32();
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crc.update(content);
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entry.setCrc(crc.getValue());
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entry.setSize(content.length);
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zo.putNextEntry(entry);
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zo.write(content);
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}
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}
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}
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/**
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* Delete the ZIP file produced by this test
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* @throws IOException if an unexpected IOException occurs
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*/
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@AfterEach
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public void cleanup() throws IOException {
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Files.deleteIfExists(zip);
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}
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/**
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* Produce arguments with a variation of stored / deflated entries,
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* and read behavior before closing the ZipFile.
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* @return
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*/
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public static Stream<Arguments> arguments() {
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return Stream.of(
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Arguments.of("stored.txt", true),
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Arguments.of("stored.txt", false),
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Arguments.of("deflated.txt", true),
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Arguments.of("deflated.txt", false)
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);
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}
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/**
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* Attempting to read from an InputStream obtained by ZipFile.getInputStream
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* after the backing ZipFile is closed should throw IOException
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*
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* @throws IOException if an unexpected IOException occurs
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*/
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@ParameterizedTest
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@MethodSource("arguments")
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public void readAfterClose(String entryName, boolean readFirst) throws IOException {
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// Retain a reference to an input stream backed by a closed ZipFile
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InputStream in;
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try (ZipFile zf = new ZipFile(zip.toFile())) {
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in = zf.getInputStream(new ZipEntry(entryName));
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// Optionally consume a single byte from the stream before closing
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if (readFirst) {
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in.read();
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}
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}
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assertThrows(IOException.class, () -> {
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in.read();
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});
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}
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} |