src/test/package_tests/Test1.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

public class Test1 {
    public static void main(final String[] args) throws Exception {
        Package p = Package.getPackage("java.lang");
        if (p==null) {
            System.out.println("Error0: test didn't work");
            return;
        }
        try {
            p.isCompatibleWith("");
            System.out.println("Error1: NumberFormatException should be thrown");
        } catch (NumberFormatException _) {
            System.out.println("Test passed.");
        } catch (Throwable e) {
              e.printStackTrace();
              System.out.println("Error2: " + e.toString());
        }
    }
}