99 lines
3.3 KiB
Java
99 lines
3.3 KiB
Java
/*
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* Copyright (c) 1999, 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 4214795
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* @summary Make sure the same inflater will only be recycled
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* once.
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* @run junit ReleaseInflater
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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.api.Test;
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import java.io.IOException;
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import java.io.InputStream;
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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.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.assertEquals;
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public class ReleaseInflater {
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// ZIP file produced in this test
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private Path zip = Path.of("release-inflater.zip");
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/**
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* Create a sample ZIP file for use by tests
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* @param name name of the ZIP file to create
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* @return a sample ZIP file
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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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try (ZipOutputStream zo = new ZipOutputStream(Files.newOutputStream(zip))) {
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zo.putNextEntry(new ZipEntry("file.txt"));
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zo.write("helloworld".getBytes(StandardCharsets.UTF_8));
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}
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}
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/**
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* Delete the ZIP and JAR files produced after each test method
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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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* Verify that the same Inflater is not recycled across input streams
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* @throws IOException if an unexpected IOException occurs
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*/
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@Test
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public void recycleInflaterOnlyOnce() throws IOException {
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try (ZipFile zf = new ZipFile(zip.toFile())) {
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ZipEntry e = zf.getEntry("file.txt");
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InputStream in1 = zf.getInputStream(e);
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// close the stream, the inflater will be released
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in1.close();
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// close the stream again, should be no-op
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in1.close();
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// create two new streams, allocating inflaters
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InputStream in2 = zf.getInputStream(e);
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InputStream in3 = zf.getInputStream(e);
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// check to see if they influence each other
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assertEquals(in2.read(), in3.read(), "Stream is corrupted!");
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}
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}
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}
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