/*
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* 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
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* 2 along with this work; if not, write to the Free Software Foundation,
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/**
* @test
* @bug 6405538 6474350
* @summary Make sure jar files with large entries (more than max heap size)
* can be signed
* @run main/othervm -Xmx8M LargeJarEntry
* @author Sean Mullan
*/
import java.io.File;
import java.io.FileOutputStream;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import java.util.zip.CRC32;
import sun.security.tools.JarSigner;
public class LargeJarEntry {
public static void main(String[] args) throws Exception {
String srcDir = System.getProperty("test.src", ".");
String keystore = srcDir + "/JarSigning.keystore";
String jarName = "largeJarEntry.jar";
// Set java.io.tmpdir to the current working dir (see 6474350)
System.setProperty("java.io.tmpdir", System.getProperty("user.dir"));
// first, create jar file with 8M uncompressed entry
// note, we set the max heap size to 8M in @run tag above
byte[] bytes = new byte[1000000];
CRC32 crc = new CRC32();
for (int i=0; i<8; i++) {
crc.update(bytes);
}
JarEntry je = new JarEntry("large");
je.setSize(8000000l);
je.setMethod(JarEntry.STORED);
je.setCrc(crc.getValue());
File file = new File(jarName);
FileOutputStream os = new FileOutputStream(file);
JarOutputStream jos = new JarOutputStream(os);
jos.setMethod(JarEntry.STORED);
jos.putNextEntry(je);
for (int i=0; i<8; i++) {
jos.write(bytes, 0, bytes.length);
}
jos.close();
String[] jsArgs = { "-keystore", keystore, "-storepass", "bbbbbb",
jarName, "b" };
// now, try to sign it
try {
JarSigner.main(jsArgs);
} catch (OutOfMemoryError err) {
throw new Exception("Test failed with OutOfMemoryError", err);
} finally {
// remove jar file
file.delete();
}
}
}