test/java/io/File/CheckTempDir.java

/*
 * Copyright (c) 1997, 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.
 */

/* @test
 *
 * @bug 4099970
 *
 * @summary this tests that the temp dir variable, java.io.tmpdir is
 * properly initialized.
 *
 * @author Benjamin Renaud
 */

import java.io.File;
import java.io.IOException;

public class CheckTempDir {

    public static void main (String[] args) {
        String tmpdir = null;
        if ((tmpdir = System.getProperty("java.io.tmpdir")) == null) {
            throw new RuntimeException("java.io.tmpdir is not initialized");
        } else {
            System.out.println("checked tmpdir is not null: " + tmpdir);
        }
    }
}