/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.util;

import java.util.*;

import junit.framework.TestSuite;
import org.apache.jena.rdf.model.test.ModelTestBase;

/**
 * TestHashUtils - test that the hash utility returns a map.
 */
public class TestCollectionFactory extends ModelTestBase {
    public TestCollectionFactory(String name) {
        super(name);
    }

    public static TestSuite suite() {
        return new TestSuite(TestCollectionFactory.class);
    }

    public void testHashMapExists() {
        assertInstanceOf(Map.class, CollectionFactory.createHashedMap());
    }

    public void testHashMapSized() {
        assertInstanceOf(Map.class, CollectionFactory.createHashedMap(42));
    }

    public void testHashMapCopy() {
        Map<String, String> map = new HashMap<>();
        map.put("here", "Bristol");
        map.put("there", "Oxford");
        Map<String, String> copy = CollectionFactory.createHashedMap(map);
        assertEquals(map, copy);
    }

    public void testHashSetExists() {
        assertInstanceOf(Set.class, CollectionFactory.<Object> createHashedSet());
    }

    public void testHashSetCopy() {
        Set<String> s = new HashSet<>();
        s.add("jelly");
        s.add("concrete");
        Set<String> copy = CollectionFactory.createHashedSet(s);
        assertEquals(s, copy);
    }
}
