strictabstract.java

是一款用JAVA 编写的编译器 具有很强的编译功能

/*
 * Copyright 2002 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 4428205
 * @summary ACC_STRICT is set for methods of strictfp interface
 * @author gafter
 *
 * @compile StrictAbstract.java
 * @run main StrictAbstract
 */

import java.lang.reflect.*;

public class StrictAbstract {

    static strictfp interface I {
	void f();
    }

    static abstract strictfp class C {
	void f() {}
	abstract void g();
    }

    static Class[] ca = new Class[0];

    public static void main(String[] args) throws Exception {
	check(I.class.getDeclaredMethod("f", ca));
	check(C.class.getDeclaredMethod("f", ca));
	check(C.class.getDeclaredMethod("g", ca));
    }
    static void check(Method m) throws Exception {
	int mask=Modifier.ABSTRACT | Modifier.STRICT;
	if ((m.getModifiers() & mask) == mask) throw new Error();
    }

}