impl.utils/src/test/java/org/apache/clerezza/commons/rdf/impl/utils/simple/TypedLiteralImplTest.java

/*
 * 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.clerezza.commons.rdf.impl.utils.simple;

import org.apache.clerezza.commons.rdf.impl.utils.TypedLiteralImpl;
import org.junit.Test;
import junit.framework.Assert;

import org.apache.clerezza.commons.rdf.Iri;
import org.apache.clerezza.commons.rdf.Literal;
/**
 *
 * @author reto/**
 *
 * @author reto/**
 *
 * @author reto/**
 *
 * @author reto
 *
 */

public class TypedLiteralImplTest {
    
    
    @Test public void typedLiteralEquality() {
        String stringValue = "some text";
        Iri uriRef = new Iri("http://example.org/datatypes/magic");
        Literal literal1 = new TypedLiteralImpl(stringValue, uriRef);
        Literal literal2 = new TypedLiteralImpl(stringValue, uriRef);        
        Assert.assertEquals(literal1, literal2);
        Assert.assertEquals(literal1.hashCode(), literal2.hashCode());
        Literal literal3 = new TypedLiteralImpl("something else", uriRef);
        Assert.assertFalse(literal1.equals(literal3));
        Iri uriRef2 = new Iri("http://example.org/datatypes/other");
        Literal literal4 = new TypedLiteralImpl(stringValue, uriRef2);
        Assert.assertFalse(literal1.equals(literal4));
    }


    /**
     * The hascode is equals to the hascode of the lexical form plus the hashcode of the dataTyp
     */
    @Test public void checkHashCode() {
        String stringValue = "some text";
        Iri uriRef = new Iri("http://example.org/datatypes/magic");
        Literal literal =  new TypedLiteralImpl(stringValue, uriRef);
        Assert.assertEquals(stringValue.hashCode() + uriRef.hashCode(), literal.hashCode());
    }

}