jdk/test/java/lang/reflect/Module/annotation/Basic.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 *
 * 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
 * @library src
 * @build m/* Basic
 * @run testng/othervm Basic
 * @summary Basic test for annotations on modules
 */

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

import p.annotation.Foo;
import p.annotation.Bar;
import p.annotation.Baz;

import org.testng.annotations.Test;
import static org.testng.Assert.*;

public class Basic {

    final Module module = Foo.class.getModule();

    /**
     * {@code @Foo} does not have RUNTIME retention policy.
     */
    @Test
    public void testInvisibleAnnotation() {
        assertFalse(module.isAnnotationPresent(Foo.class));
        assertNull(module.getAnnotation(Foo.class));
    }

    /**
     * {@code @Bar} has RUNTIME retention policy and value "bar"
     */
    @Test
    public void testBarAnnotation() {
        assertTrue(module.isAnnotationPresent(Bar.class));
        Bar bar = module.getAnnotation(Bar.class);
        assertNotNull(bar);
        assertEquals(bar.value(), "bar");
    }

    /**
     * {@code @Baz} has RUNTIME retention policy has a repeating value
     */
    @Test
    public void testBazAnnotation() {
        assertTrue(module.isAnnotationPresent(Baz.class));
        Baz baz = module.getAnnotation(Baz.class);
        assertNotNull(baz);
        String[] expected = { "one", "two", "three" };
        assertTrue(Arrays.equals(baz.value(), expected));
    }
}