90 lines
3.4 KiB
Java
90 lines
3.4 KiB
Java
/*
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* Copyright (c) 2022, 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 8272746
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* @summary ZipFile can't open big file (NegativeArraySizeException)
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* @requires (sun.arch.data.model == "64" & os.maxMemory > 8g)
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* @run testng/manual/othervm -Xmx8g TestTooManyEntries
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*/
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import org.testng.annotations.BeforeTest;
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import org.testng.annotations.Test;
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import java.io.File;
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import java.io.BufferedOutputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipException;
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import java.util.zip.ZipFile;
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import java.util.zip.ZipOutputStream;
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import java.util.UUID;
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import static org.testng.Assert.assertThrows;
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public class TestTooManyEntries {
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// Number of directories in the zip file
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private static final int DIR_COUNT = 25000;
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// Number of entries per directory
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private static final int ENTRIES_IN_DIR = 1000;
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// Zip file to create for testing
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private File hugeZipFile;
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/**
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* Create a zip file and add entries that exceed the CEN limit.
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* @throws IOException if an error occurs creating the ZIP File
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*/
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@BeforeTest
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public void setup() throws IOException {
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hugeZipFile = File.createTempFile("hugeZip", ".zip", new File("."));
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hugeZipFile.deleteOnExit();
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long startTime = System.currentTimeMillis();
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try (ZipOutputStream zip = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(hugeZipFile)))) {
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for (int dirN = 0; dirN < DIR_COUNT; dirN++) {
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String dirName = UUID.randomUUID() + "/";
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for (int fileN = 0; fileN < ENTRIES_IN_DIR; fileN++) {
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ZipEntry entry = new ZipEntry(dirName + UUID.randomUUID());
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zip.putNextEntry(entry);
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zip.closeEntry(); // all files are empty
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}
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if ((dirN + 1) % 1000 == 0) {
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System.out.printf("%s / %s of entries written, file size is %sMb (%ss)%n",
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(dirN + 1) * ENTRIES_IN_DIR, DIR_COUNT * ENTRIES_IN_DIR, hugeZipFile.length() / 1024 / 1024,
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(System.currentTimeMillis() - startTime) / 1000);
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}
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}
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}
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}
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/**
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* Validates that the ZipException is thrown when the ZipFile class
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* is initialized with a zip file whose entries exceed the CEN limit.
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*/
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@Test
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public void test() {
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assertThrows(ZipException.class, () -> new ZipFile(hugeZipFile));
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}
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}
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