95 lines
3.2 KiB
Java
95 lines
3.2 KiB
Java
/*
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* Copyright (c) 2000, 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 4290060
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@summary Check if the zip file is closed before access any
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elements in the Enumeration.
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@run junit EnumerateAfterClose
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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.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.Enumeration;
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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 EnumerateAfterClose {
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// ZIP file used in this test
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private Path zip = Path.of("enum-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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try (OutputStream out = Files.newOutputStream(zip);
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ZipOutputStream zo = new ZipOutputStream(out)) {
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zo.putNextEntry(new ZipEntry("file.txt"));
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zo.write("hello".getBytes(StandardCharsets.UTF_8));
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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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* Attempting to using a ZipEntry Enumeration after its backing
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* ZipFile is closed should throw IllegalStateException.
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*
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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 enumeratingAfterCloseShouldThrowISE() throws IOException {
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// Retain a reference to an enumeration backed by a closed ZipFile
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Enumeration e;
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try (ZipFile zf = new ZipFile(zip.toFile())) {
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e = zf.entries();
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}
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// Using the enumeration after the ZipFile is closed should throw ISE
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assertThrows(IllegalStateException.class, () -> {
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if (e.hasMoreElements()) {
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ZipEntry ze = (ZipEntry)e.nextElement();
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}
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});
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}
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}
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