openjdk源码
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/*
* Copyright (c) 2015, 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.
*/
import java.awt.*;
import java.net.URL;
import java.security.Permission;
/**
* @test
* @bug 8078165
* @summary NPE when attempting to get image from toolkit
* @author Anton Nashatyrev
*/
public final class bug8078165 {
public static void main(final String[] args) throws Exception {
// Mac only
System.setSecurityManager(new SecurityManager() {
@Override
public void checkPermission(Permission permission) {
// Just allows everything
}
});
// The method shouldn't throw NPE
Toolkit.getDefaultToolkit().getImage(new URL("file://./dummyImage@2x.png"));
Toolkit.getDefaultToolkit().getImage("./dummyImage@2x.png");
}
}