/*
 * 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.
 */
package com.oracle.graal.test;

import java.lang.reflect.*;
import java.util.*;

import org.junit.*;
import org.junit.runner.*;

/**
 * Base class for Graal tests.
 * <p>
 * This contains common utility methods that are used in multiple test projects.
 */
@RunWith(GraalLongUnitTest.class)
public class GraalTest {

    protected Method getMethod(String methodName) {
        return getMethod(getClass(), methodName);
    }

    protected Method getMethod(Class<?> clazz, String methodName) {
        Method found = null;
        for (Method m : clazz.getMethods()) {
            if (m.getName().equals(methodName)) {
                Assert.assertNull(found);
                found = m;
            }
        }
        if (found == null) {
            /* Now look for non-public methods (but this does not look in superclasses). */
            for (Method m : clazz.getDeclaredMethods()) {
                if (m.getName().equals(methodName)) {
                    Assert.assertNull(found);
                    found = m;
                }
            }
        }
        if (found != null) {
            return found;
        } else {
            throw new RuntimeException("method not found: " + methodName);
        }
    }

    protected Method getMethod(Class<?> clazz, String methodName, Class<?>[] parameterTypes) {
        try {
            return clazz.getMethod(methodName, parameterTypes);
        } catch (NoSuchMethodException | SecurityException e) {
            throw new RuntimeException("method not found: " + methodName + "" + Arrays.toString(parameterTypes));
        }
    }
}