jdk-24/test/langtools/tools/javac/T8223942/ClientCodeWrappersShouldOverrideAllMethodsTest.java
2019-06-05 17:01:43 -04:00

110 lines
4.9 KiB
Java

/*
* Copyright (c) 2019, 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 8223942
* @summary Missing methods in ClientCodeWrapper$WrappedJavaFileManager
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.util
*/
import java.lang.reflect.*;
import java.io.*;
import javax.tools.*;
import java.nio.charset.StandardCharsets;
import com.sun.tools.javac.api.JavacTaskImpl;
public class ClientCodeWrappersShouldOverrideAllMethodsTest {
public static void main(String[] args) {
ClientCodeWrappersShouldOverrideAllMethodsTest clientCodeWrappersShouldOverrideAllMethodsTest = new ClientCodeWrappersShouldOverrideAllMethodsTest();
clientCodeWrappersShouldOverrideAllMethodsTest.testWrappersForJavaFileManager();
clientCodeWrappersShouldOverrideAllMethodsTest.testWrappersForStandardJavaFileManager();
}
void testWrappersForJavaFileManager() {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager standardFileManager = compiler.getStandardFileManager(null, null, StandardCharsets.UTF_8);
UserFileManager fileManager = new UserFileManager(standardFileManager);
JavacTaskImpl task = (JavacTaskImpl)compiler.getTask(null, fileManager, null, null, null, null);
JavaFileManager wrappedFM = task.getContext().get(JavaFileManager.class);
checkAllMethodsOverridenInWrapperClass(wrappedFM.getClass(), JavaFileManager.class);
}
void testWrappersForStandardJavaFileManager() {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager standardFileManager = compiler.getStandardFileManager(null, null, StandardCharsets.UTF_8);
UserStandardJavaFileManager fileManager = new UserStandardJavaFileManager(standardFileManager);
JavacTaskImpl task = (JavacTaskImpl)compiler.getTask(null, fileManager, null, null, null, null);
JavaFileManager wrappedFM = task.getContext().get(JavaFileManager.class);
checkAllMethodsOverridenInWrapperClass(wrappedFM.getClass(), StandardJavaFileManager.class);
}
void checkAllMethodsOverridenInWrapperClass(Class<?> subClass, Class<?> superClass) {
Method[] allMethods = subClass.getMethods();
for (Method m : allMethods) {
if (m.getDeclaringClass() == superClass) {
throw new AssertionError(String.format("method %s not overriden by javac provided wrapper class", m.getName()));
}
}
}
static class UserFileManager extends ForwardingJavaFileManager<JavaFileManager> {
UserFileManager(JavaFileManager delegate) {
super(delegate);
}
}
static class UserStandardJavaFileManager extends ForwardingJavaFileManager<StandardJavaFileManager> implements StandardJavaFileManager {
StandardJavaFileManager delegate;
UserStandardJavaFileManager(StandardJavaFileManager delegate) {
super(delegate);
this.delegate = delegate;
}
public Iterable<? extends File> getLocation(Location location) { return delegate.getLocation(location);}
public void setLocation(Location location, Iterable<? extends File> files) throws IOException {
delegate.setLocation(location, files);
}
public Iterable<? extends JavaFileObject> getJavaFileObjects(String... names) {
return delegate.getJavaFileObjects(names);
}
public Iterable<? extends JavaFileObject> getJavaFileObjectsFromStrings(Iterable<String> names) {
return delegate.getJavaFileObjectsFromStrings(names);
}
public Iterable<? extends JavaFileObject> getJavaFileObjectsFromFiles(Iterable<? extends File> files) {
return delegate.getJavaFileObjectsFromFiles(files);
}
public Iterable<? extends JavaFileObject> getJavaFileObjects(File... files) {
return delegate.getJavaFileObjects(files);
}
}
}