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/*
* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 4615343
* @summary Check that ZipError is thrown instead of InternalError when
* iterating entries of an invalid zip file
*/
import java.io.*;
import java.util.*;
import java.util.zip.*;
public class TestZipError {
public static void realMain(String[] args) throws Throwable {
// Causing a ZipError is hard, especially on non-Windows systems. See
// comments below.
String osName = System.getProperty("os.name");
if (!System.getProperty("os.name").startsWith("Windows")) {
return;
}
String fileName = "error4615343.zip";
File f = new File(fileName);
f.delete();
ZipOutputStream zos;
ZipEntry ze;
// Create a zip file with two entries.
zos = new ZipOutputStream(new FileOutputStream(f));
ze = new ZipEntry("one");
zos.putNextEntry(ze);
zos.write("hello".getBytes());
zos.closeEntry();
ze = new ZipEntry("two");
zos.putNextEntry(ze);
zos.write("world".getBytes());
zos.closeEntry();
zos.close();
// Open the ZipFile. This will read the zip file's central
// directory into in-memory data structures.
ZipFile zf = new ZipFile(fileName);
// Delete the file; of course this does not change the in-memory data
// structures that represent the central directory!
f.delete();
// Re-create zip file, with different entries than earlier. However,
// recall that we have in-memory information about the central
// directory of the file at its previous state.
zos = new ZipOutputStream(new FileOutputStream(f));
ze = new ZipEntry("uno");
zos.putNextEntry(ze);
zos.write("hola".getBytes());
zos.closeEntry();
zos.close();
// Iterate zip file's contents. On Windows, this will result in a
// ZipError, because the data in the file differs from the in-memory
// central directory information we read earlier.
Enumeration<? extends ZipEntry> entries = zf.entries();
try {
while (entries.hasMoreElements()) {
ze = entries.nextElement();
zf.getInputStream(ze).readAllBytes();
}
fail("Did not get expected exception");
} catch (ZipException e) {
pass();
} catch (InternalError e) {
fail("Caught InternalError instead of expected ZipError");
} catch (Throwable t) {
unexpected(t);
} finally {
zf.close();
f.delete();
}
}
//--------------------- Infrastructure ---------------------------
static volatile int passed = 0, failed = 0;
static void pass() {passed++;}
static void fail() {failed++; Thread.dumpStack();}
static void fail(String msg) {System.out.println(msg); fail();}
static void unexpected(Throwable t) {failed++; t.printStackTrace();}
static void check(boolean cond) {if (cond) pass(); else fail();}
static void equal(Object x, Object y) {
if (x == null ? y == null : x.equals(y)) pass();
else fail(x + " not equal to " + y);}
public static void main(String[] args) throws Throwable {
try {realMain(args);} catch (Throwable t) {unexpected(t);}
System.out.println("\nPassed = " + passed + " failed = " + failed);
if (failed > 0) throw new AssertionError("Some tests failed");}
}
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