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/*
* Copyright (c) 2015, 2016, 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.
*/
package compiler.compilercontrol.share.pool;
import jdk.test.lib.util.Pair;
import java.lang.reflect.Executable;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
/**
* Represents a holder that contains test methods
*/
public abstract class MethodHolder {
/**
* Helper method to get executable for the specified method
*
* @param holder class that holds specified method
* @param name method name
* @param parameterTypes parameter types of the specified method
* @return {@link Method} instance
*/
public Method getMethod(MethodHolder holder,
String name,
Class<?>... parameterTypes) {
try {
return holder.getClass().getDeclaredMethod(name, parameterTypes);
} catch (NoSuchMethodException e) {
throw new Error("TESTBUG: Can't get method " + name, e);
}
}
/**
* Gets all test methods
*
* @return pairs of Executable and appropriate Callable
*/
public List<Pair<Executable, Callable<?>>> getAllMethods() {
Class<?> aClass = this.getClass();
Object classInstance;
try {
classInstance = aClass.newInstance();
} catch (ReflectiveOperationException e) {
throw new Error("TESTBUG: unable to get new instance", e);
}
List<Pair<Executable, Callable<?>>> pairs = new ArrayList<>();
{
Method method = getMethod(this, "method", int.class, String[].class,
Integer.class, byte[].class, double[][].class);
Pair<Executable, Callable<?>> pair = new Pair<>(method,
() -> {
// Make args
int a = 0;
String[] ss = {"a", "b", "c", "d"};
Integer i = 1;
byte[] bb = {1, 2};
double[][] dd = {
{1.618033, 3.141592},
{2.718281, 0.007874}
};
// Invoke method
method.invoke(classInstance, a, ss, i, bb, dd);
return true;
});
pairs.add(pair);
}
{
Method method = getMethod(this, "method");
Pair<Executable, Callable<?>> pair = new Pair<>(method,
() -> {
method.invoke(classInstance);
return true;
});
pairs.add(pair);
}
{
Method method = getMethod(this, "smethod");
Pair<Executable, Callable<?>> pair = new Pair<>(method,
() -> method.invoke(classInstance));
pairs.add(pair);
}
{
Method method = getMethod(this, "smethod", int.class, int[].class);
Pair<Executable, Callable<?>> pair = new Pair<>(method,
() -> {
int[] array = {1, 2, 3};
return method.invoke(classInstance, 42, array);
});
pairs.add(pair);
}
{
Method method = getMethod(this, "smethod", Integer.class);
Pair<Executable, Callable<?>> pair = new Pair<>(method,
() -> method.invoke(classInstance, 100));
pairs.add(pair);
}
return pairs;
}
}
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