/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2003-2008 University of Maryland
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.ba;

import edu.umd.cs.findbugs.ba.ch.Subtypes2;
import edu.umd.cs.findbugs.classfile.ClassDescriptor;
import edu.umd.cs.findbugs.classfile.DescriptorFactory;

/**
 * @author pwilliam
 */
public class TestCaseDetector {
	
	private static final ClassDescriptor JUNIT4TEST = DescriptorFactory.createClassDescriptor("org/junit/Test");
	
	private static final ClassDescriptor JUNIT3TESTCASE = DescriptorFactory.createClassDescriptor("junit/framework/TestCase");
	
	public static boolean likelyTestCase(XMethod m) {
		if (m.getAnnotation(JUNIT4TEST) != null) return true;
		
		ClassDescriptor c = m.getClassDescriptor();
		if (m.getName().startsWith("test") || m.getName().startsWith("assert")) {
			Subtypes2 subtypes2 = AnalysisContext.currentAnalysisContext().getSubtypes2();

			try {
				if (subtypes2.isSubtype(c, JUNIT3TESTCASE))
					return true;
			} catch (ClassNotFoundException e) {
				AnalysisContext.reportMissingClass(e);
			}
		}
		return false;
	}

}
