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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
 *
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 */

/*
 * @test
 * @bug 8176147
 * @summary Throw ClassFormatError exception for multiple Signature attributes
 * @compile DupSignatureAttrs.jcod
 * @run main TestDupSignatureAttr
 */

public class TestDupSignatureAttr {
    public static void main(String args[]) throws Throwable {

        System.out.println("Regression test for bug 8176147");

        // Duplicate Class Signature attributes.
        try {
            Class newClass = Class.forName("DupClassSigAttrs");
            throw new RuntimeException("Expected ClassFormatError exception not thrown");
        } catch (java.lang.ClassFormatError e) {
            if (!e.getMessage().contains("Multiple Signature attributes in class file")) {
                throw new RuntimeException("Wrong ClassFormatError exception thrown: " +
                                           e.getMessage());
            }
        }

        // Duplicate Method Signature attributes.
        try {
            Class newClass = Class.forName("DupMthSigAttrs");
            throw new RuntimeException("Expected ClassFormatError exception not thrown");
        } catch (java.lang.ClassFormatError e) {
            if (!e.getMessage().contains("Multiple Signature attributes for method")) {
                throw new RuntimeException("Wrong ClassFormatError exception thrown: " +
                                           e.getMessage());
            }
        }

        // Duplicate Field Signature attributes.
        try {
            Class newClass = Class.forName("DupFldSigAttrs");
            throw new RuntimeException("Expected ClassFormatError exception not thrown");
        } catch (java.lang.ClassFormatError e) {
            if (!e.getMessage().contains("Multiple Signature attributes for field")) {
                throw new RuntimeException("Wrong ClassFormatError exception thrown: " +
                                           e.getMessage());
            }
        }

        // Multiple Signature attributes but no duplicates.
        Class newClass = Class.forName("OkaySigAttrs");
    }
}