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/*
* Copyright (c) 2013, 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
* @compile -parameters WithParameters.java
* @run main WithParameters
* @summary javac should generate method parameters correctly.
*/
import java.lang.*;
import java.lang.annotation.*;
import java.lang.reflect.*;
import java.util.List;
public class WithParameters {
private static final Class<?>[] qux_types = {
int.class, Foo.class, List.class, List.class, List.class, String[].class
};
private static final String[] qux_names = {
"quux", "quuux", "l", "l2", "l3", "rest"
};
public static void main(String argv[]) throws Exception {
int error = 0;
Method[] methods = Foo.class.getMethods();
for(Method m : methods) {
System.err.println("Inspecting method " + m.getName());
Parameter[] parameters = m.getParameters();
if(parameters == null)
throw new Exception("getParameters should never be null");
for(int i = 0; i < parameters.length; i++) {
Parameter p = parameters[i];
if(!p.getDeclaringExecutable().equals(m)) {
System.err.println(p + ".getDeclaringExecutable != " + m);
error++;
}
if(null == p.getType()) {
System.err.println(p + ".getType() == null");
error++;
}
if(null == p.getParameterizedType()) {
System.err.println(p + ".getParameterizedType == null");
error++;
}
}
if(m.getName().equals("qux")) {
if(6 != parameters.length) {
System.err.println("Wrong number of parameters for qux");
error++;
}
for(int i = 0; i < parameters.length; i++) {
Parameter p = parameters[i];
if(!p.isNamePresent()) {
System.err.println(p + ".isNamePresent == false");
error++;
}
if(!parameters[i].getName().equals(qux_names[i])) {
System.err.println("Wrong parameter name for " + parameters[i]);
error++;
}
// The getType family work with or without
// parameter attributes compiled in.
if(!parameters[i].getType().equals(qux_types[i])) {
System.err.println("Wrong parameter type for " + parameters[0] + ": expected " + qux_types[i] + ", but got " + parameters[i].getType());
error++;
}
}
if(!parameters[0].toString().equals("final int quux")) {
System.err.println("toString for quux is wrong, expected \"final int quux\", got \"" + parameters[0] + "\"");
error++;
}
if(parameters[0].getModifiers() != Modifier.FINAL) {
System.err.println("quux is not final");
error++;
}
if(parameters[0].isVarArgs()) {
System.err.println("isVarArg for quux is wrong");
error++;
}
if(!parameters[0].getParameterizedType().equals(int.class)) {
System.err.println("getParameterizedType for quux is wrong");
error++;
}
if(!parameters[1].toString().equals("WithParameters$Foo quuux")) {
System.err.println("toString for quuux is wrong, expected \"WithParameters$Foo quuux\", got \"" + parameters[1] + "\"");
error++;
}
if(parameters[1].isVarArgs()) {
System.err.println("isVarArg for quuux is wrong");
error++;
}
if(!parameters[1].getParameterizedType().equals(Foo.class)) {
System.err.println("getParameterizedType for quuux is wrong");
error++;
}
Annotation[] anns = parameters[1].getAnnotations();
if(1 != anns.length) {
System.err.println("getAnnotations missed an annotation");
error++;
} else if(!anns[0].annotationType().equals(Thing.class)) {
System.err.println("getAnnotations has the wrong annotation");
error++;
}
if(!parameters[2].toString().equals("java.util.List<?> l")) {
System.err.println("toString for l is wrong, expected \"java.util.List<?> l\", got \"" + parameters[2] + "\"");
error++;
}
if(parameters[2].isVarArgs()) {
System.err.println("isVarArg for l is wrong");
error++;
}
if(!(parameters[2].getParameterizedType() instanceof
ParameterizedType)) {
System.err.println("getParameterizedType for l is wrong");
error++;
} else {
ParameterizedType pt =
(ParameterizedType) parameters[2].getParameterizedType();
if(!pt.getRawType().equals(List.class)) {
System.err.println("Raw type for l is wrong");
error++;
}
if(1 != pt.getActualTypeArguments().length) {
System.err.println("Number of type parameters for l is wrong");
error++;
}
if(!(pt.getActualTypeArguments()[0] instanceof WildcardType)) {
System.err.println("Type parameter for l is wrong");
error++;
}
}
if(!parameters[3].toString().equals("java.util.List<WithParameters$Foo> l2")) {
System.err.println("toString for l2 is wrong, expected \"java.util.List<WithParameters$Foo> l2\", got \"" + parameters[3] + "\"");
error++;
}
if(parameters[3].isVarArgs()) {
System.err.println("isVarArg for l2 is wrong");
error++;
}
if(!(parameters[3].getParameterizedType() instanceof
ParameterizedType)) {
System.err.println("getParameterizedType for l2 is wrong");
error++;
} else {
ParameterizedType pt =
(ParameterizedType) parameters[3].getParameterizedType();
if(!pt.getRawType().equals(List.class)) {
System.err.println("Raw type for l2 is wrong");
error++;
}
if(1 != pt.getActualTypeArguments().length) {
System.err.println("Number of type parameters for l2 is wrong");
error++;
}
if(!(pt.getActualTypeArguments()[0].equals(Foo.class))) {
System.err.println("Type parameter for l2 is wrong");
error++;
}
}
if(!parameters[4].toString().equals("java.util.List<? extends WithParameters$Foo> l3")) {
System.err.println("toString for l3 is wrong, expected \"java.util.List<? extends WithParameters$Foo> l3\", got \"" + parameters[3] + "\"");
error++;
}
if(parameters[4].isVarArgs()) {
System.err.println("isVarArg for l3 is wrong");
error++;
}
if(!(parameters[4].getParameterizedType() instanceof
ParameterizedType)) {
System.err.println("getParameterizedType for l3 is wrong");
error++;
} else {
ParameterizedType pt =
(ParameterizedType) parameters[4].getParameterizedType();
if(!pt.getRawType().equals(List.class)) {
System.err.println("Raw type for l3 is wrong");
error++;
}
if(1 != pt.getActualTypeArguments().length) {
System.err.println("Number of type parameters for l3 is wrong");
error++;
}
if(!(pt.getActualTypeArguments()[0] instanceof WildcardType)) {
System.err.println("Type parameter for l3 is wrong");
error++;
} else {
WildcardType wt = (WildcardType)
pt.getActualTypeArguments()[0];
if(!wt.getUpperBounds()[0].equals(Foo.class)) {
System.err.println("Upper bounds on type parameter fol l3 is wrong");
error++;
}
}
}
if(!parameters[5].toString().equals("java.lang.String... rest")) {
System.err.println("toString for rest is wrong, expected \"java.lang.String... rest\", got \"" + parameters[5] + "\"");
error++;
}
if(!parameters[5].isVarArgs()) {
System.err.println("isVarArg for rest is wrong");
error++;
}
if(!(parameters[5].getParameterizedType().equals(String[].class))) {
System.err.println("getParameterizedType for rest is wrong");
error++;
}
}
}
if(0 != error)
throw new Exception("Failed " + error + " tests");
}
void test(int test) {}
public class Foo {
int thing;
public void qux(final int quux, @Thing Foo quuux,
List<?> l, List<Foo> l2,
List<? extends Foo> l3,
String... rest) {}
}
@Retention(RetentionPolicy.RUNTIME)
public @interface Thing {}
}
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