t6400207.java

来自「是一款用JAVA 编写的编译器 具有很强的编译功能」· Java 代码 · 共 89 行

/*
 * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug     6400207
 * @summary JSR 199: JavaFileManager.list and unset location
 * @author  Peter von der Ah\u00e9
 */

import java.util.*;
import javax.tools.*;
import static javax.tools.StandardLocation.*;
import static javax.tools.JavaFileObject.Kind.*;

public class T6400207 {
    static void testList(JavaFileManager fm,
		    JavaFileManager.Location location,
		    String packageName,
		    Set<JavaFileObject.Kind> kinds) throws Exception {
	boolean expectNpe =
	    location == null ||
	    packageName == null ||
	    kinds == null;
        try {
            fm.list(location, packageName, kinds, false);
	    if (expectNpe) {
		String message = "NullPointerException not thrown";
		if (location == null)
		    throw new AssertionError(message + " (location is null)");
		if (packageName == null)
		    throw new AssertionError(message + " (packageName is null)");
		if (kinds == null)
		    throw new AssertionError(message + " (kinds is null)");
		throw new AssertionError(message);
	    }
        } catch (NullPointerException e) {
	    if (!expectNpe)
		throw e;
        }
    }

    public static void main(String... args) throws Exception {
	JavaFileManager fm =
            ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null);
	JavaFileManager.Location bogusLocation = locationFor("bogus");
	JavaFileManager.Location knownLocation = CLASS_PATH;
	String packageName = "java.lang";
	Set<JavaFileObject.Kind> kinds = EnumSet.of(CLASS);

	for (StandardLocation location : StandardLocation.values()) {
	    if (location != locationFor(location.getName()))
		throw new AssertionError(location + " != locationFor(" +
					 location.getName() + ")");
	}

	testList(fm, null, null, null);
	testList(fm, bogusLocation, packageName, kinds);
	testList(fm, knownLocation, packageName, kinds);
	testList(fm, null, packageName, kinds);
	testList(fm, knownLocation, null, kinds);
	testList(fm, knownLocation, packageName, null);
	testList(fm, bogusLocation, null, kinds);
	testList(fm, bogusLocation, packageName, null);

        System.err.println("Test PASSED.");
    }
}