/*

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

 *

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 * 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.

 *

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 */

/*

 * @test

 * @bug 8173975

 * @summary Lookup::in throws IAE if the target class is a primitive class or array class

 * @run testng/othervm LookupClassTest

 */

import java.lang.invoke.MethodHandles;

import java.lang.invoke.MethodHandles.Lookup;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.Test;

import static org.testng.Assert.*;

public class LookupClassTest {

    private static final LookupClassTest[] ARRAY = new LookupClassTest[0];

    @BeforeTest

    public void test() {

        assertTrue(ARRAY.getClass().isArray());

        assertSamePackage(MethodHandles.lookup(), ARRAY.getClass());

        assertSamePackage(MethodHandles.publicLookup(), int.class);

    }

    private void assertSamePackage(Lookup lookup, Class<?> targetClass) {

        assertEquals(lookup.lookupClass().getPackageName(), targetClass.getPackageName());

    }

    @Test(expectedExceptions = IllegalArgumentException.class)

    public void arrayLookupClass() {

        Lookup lookup = MethodHandles.lookup();

        lookup.in(ARRAY.getClass());

    }

    @Test(expectedExceptions = IllegalArgumentException.class)

    public void primitiveLookupClass() {

        Lookup lookup = MethodHandles.publicLookup();

        lookup.in(int.class);

    }

    @Test(expectedExceptions = IllegalArgumentException.class)

    public void voidLookupClass() {

        Lookup lookup = MethodHandles.publicLookup();

        lookup.in(void.class);

    }

}