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/*
* Copyright (c) 2015, 2018, 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 8132734 8144062 8194070
* @summary Test the System properties for JarFile that support multi-release jar files
* @library /lib/testlibrary/java/util/jar
* @build Compiler JarBuilder CreateMultiReleaseTestJars
* @run testng MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.version=0 MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.version=8 MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.version=9 MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.version=100 MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.version=8 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.version=9 -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.enableMultiRelease=false MultiReleaseJarProperties
* @run testng/othervm -Djdk.util.jar.enableMultiRelease=force MultiReleaseJarProperties
*/
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
public class MultiReleaseJarProperties {
final static int BASE_VERSION = JarFile.baseVersion().major();
final static String userdir = System.getProperty("user.dir", ".");
final static File multirelease = new File(userdir, "multi-release.jar");
protected int rtVersion;
boolean force;
protected ClassLoader cldr;
protected Class<?> rootClass;
@BeforeClass
public void initialize() throws Exception {
CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars();
creator.compileEntries();
creator.buildMultiReleaseJar();
int RUNTIME_VERSION = Runtime.version().major();
rtVersion = Integer.getInteger("jdk.util.jar.version", RUNTIME_VERSION);
String mrprop = System.getProperty("jdk.util.jar.enableMultiRelease", "");
if (mrprop.equals("false")) {
rtVersion = BASE_VERSION;
} else if (rtVersion < BASE_VERSION) {
rtVersion = BASE_VERSION;
} else if (rtVersion > RUNTIME_VERSION) {
rtVersion = RUNTIME_VERSION;
}
force = mrprop.equals("force");
initializeClassLoader();
}
protected void initializeClassLoader() throws Exception {
URL[] urls = new URL[]{multirelease.toURI().toURL()};
cldr = new URLClassLoader(urls);
// load any class, Main is convenient and in the root entries
rootClass = cldr.loadClass("version.Main");
}
@AfterClass
public void close() throws IOException {
((URLClassLoader)cldr).close();
Files.delete(multirelease.toPath());
}
/*
* jdk.util.jar.enableMultiRelease=force is a no-op for URLClassLoader
*/
@Test
public void testURLClassLoader() throws Throwable {
Class<?> vcls = cldr.loadClass("version.Version");
invokeMethod(vcls, rtVersion);
}
protected void invokeMethod(Class<?> vcls, int expected) throws Throwable {
MethodType mt = MethodType.methodType(int.class);
MethodHandle mh = MethodHandles.lookup().findVirtual(vcls, "getVersion", mt);
Assert.assertEquals(expected, (int) mh.invoke(vcls.newInstance()));
}
/*
* jdk.util.jar.enableMultiRelease=force should affect a custom class loader
*/
@Test
public void testClassLoader() throws Throwable {
try (JarFile jf = new JarFile(multirelease)) { // do not set runtime versioning
ClassLoader cldr = new CustomClassLoader(jf);
Class<?> vcls = cldr.loadClass("version.Version");
if (rtVersion == 9) {
try {
cldr.loadClass("version.PackagePrivate");
} catch (ClassNotFoundException x) {
if (force) throw x;
}
}
invokeMethod(vcls, force ? rtVersion : BASE_VERSION);
}
}
private static class CustomClassLoader extends ClassLoader {
private final JarFile jf;
CustomClassLoader(JarFile jf) throws Exception {
super(null);
this.jf = jf;
}
protected Class<?> findClass(String name) throws ClassNotFoundException {
try {
byte[] b;
String entryName = name.replace(".", "/") + ".class";
JarEntry je = jf.getJarEntry(entryName);
if (je != null) {
try (InputStream is = jf.getInputStream(je)) {
b = new byte[(int) je.getSize()];
is.read(b);
}
return defineClass(name, b, 0, b.length);
}
throw new ClassNotFoundException(name);
} catch (IOException x) {
throw new ClassNotFoundException(x.getMessage());
}
}
}
@Test
public void testGetResourceAsStream() throws Exception {
String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java";
// use fileRootClass as a base for getting resources
getResourceAsStream(rootClass, resource);
}
protected void getResourceAsStream(Class<?> rootClass, String resource) throws Exception {
try (InputStream is = rootClass.getResourceAsStream(resource)) {
byte[] bytes = is.readAllBytes();
resource = new String(bytes);
}
String match = "return " + rtVersion + ";";
Assert.assertTrue(resource.contains(match));
}
@Test
public void testGetResource() throws Exception {
String resource = rtVersion == 9 ? "/version/PackagePrivate.java" : "/version/Version.java";
// use rootClass as a base for getting resources
getResource(rootClass, resource);
}
protected void getResource(Class<?> rootClass, String resource) throws Exception {
URL url = rootClass.getResource(resource);
try (InputStream is = url.openStream()) {
byte[] bytes = is.readAllBytes();
resource = new String(bytes);
}
String match = "return " + rtVersion + ";";
Assert.assertTrue(resource.contains(match));
}
}
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