/*

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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     4485486 6197726 6232484

 * @summary IdentityHashMap's entrySet toArray tests

 * @author  Josh Bloch, Martin Buchholz

 */

import java.util.*;

public class ToArray {

    public static void main(String[] args) {

        //----------------------------------------------------------------

        // new ArrayList(IdentityHashMap.entrySet())

        // used to return bogus entries.

        //----------------------------------------------------------------

        Map<String,String> mm = new IdentityHashMap<String,String>();

        mm.put("foo", "bar");

        mm.put("baz", "quux");

        List<Map.Entry<String,String>> lm

            = new ArrayList<Map.Entry<String,String>>(mm.entrySet());

        String s = lm.toString();

        if (! (s.equals("[foo=bar, baz=quux]") ||

               s.equals("[baz=quux, foo=bar]")))

            throw new Error("bad string");

        //----------------------------------------------------------------

        // IdentityHashMap's lack of internal entry objects caused

        // the inherited (AbstractMap) version of toArray to

        // return garbage when called on the entrySet view.

        //----------------------------------------------------------------

        Map m = new IdentityHashMap();

        m.put("french", "connection");

        m.put("polish", "sausage");

        Object[] mArray = m.entrySet().toArray();

        if (mArray[0] == mArray[1])

            throw new RuntimeException("Broken");

        mArray[0].toString();

        mArray[1].toString();

        //----------------------------------------------------------------

        // IdentityHashMap.entrySet().toArray(T[] a) used to simply

        // return toArray() !

        //----------------------------------------------------------------

        IdentityHashMap<Integer,Integer> map

            = new IdentityHashMap<Integer,Integer>();

        Set<Map.Entry<Integer,Integer>> es = map.entrySet();

        if (es.toArray().length != 0)

            throw new Error("non-empty");

        if (es.toArray(new Object[]{Boolean.TRUE})[0] != null)

            throw new Error("non-null");

        map.put(7,49);

        if (es.toArray().length != 1)

            throw new Error("length");

        Object[] x = es.toArray(new Object[]{Boolean.TRUE, Boolean.TRUE});

        if (x[1] != null)

            throw new Error("non-null");

        Map.Entry e = (Map.Entry) x[0];

        if (! e.getKey().equals(new Integer(7)))

            throw new Error("bad key");

        if (! e.getValue().equals(new Integer(49)))

            throw new Error("bad value");

    }

}