test/jdk/java/lang/annotation/typeAnnotations/GetAnnotatedInterfaces.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 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 8022324
 * @summary Test Class.getAnnotatedInterfaces() returns 0-length array as
 *          specified.
 */

import java.lang.reflect.AnnotatedType;
import java.util.Arrays;

public class GetAnnotatedInterfaces {
    private static final Class<?>[] testData = {
        GetAnnotatedInterfaces.class,
        (new Clz() {}).getClass(),
        (new Object() {}).getClass(),
        Object[].class,
        Object[][].class,
        Object[][][].class,
        Object.class,
        void.class,
        int.class,
    };

    private static int failed = 0;
    private static int tests = 0;

    public static void main(String[] args) throws Exception {
        testReturnsZeroLengthArray();

        if (failed != 0)
            throw new RuntimeException("Test failed, check log for details");
        if (tests != 9)
            throw new RuntimeException("Not all cases ran, failing");
    }

    private static void testReturnsZeroLengthArray() {
        for (Class<?> toTest : testData) {
            tests++;

            AnnotatedType[] res = toTest.getAnnotatedInterfaces();

            if (res == null) {
                failed++;
                System.out.println(toTest + ".class.getAnnotatedInterface() returns" +
                        "'null' should zero length array");
            } else if (res.length != 0) {
                failed++;
                System.out.println(toTest + ".class.getAnnotatedInterfaces() returns: "
                        + Arrays.asList(res) + ", should be a zero length array of AnnotatedType");
            }
        }
    }

    interface If {}

    abstract static class Clz {}
}