KeyConstantsTest.java

/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2011, Open Source Geospatial Foundation (OSGeo)
 *    (C) 2003-2005, Open Geospatial Consortium Inc.
 *    
 *    All Rights Reserved. http://www.opengis.org/legal/
 */
package org.opengis.referencing;

import org.opengis.referencing.datum.Datum;

import org.junit.*;
import org.opengis.referencing.operation.CoordinateOperation;
import static org.opengis.referencing.ReferenceSystem.*;
import static org.junit.Assert.*;


/**
 * Tests the value of key constants.
 *
 * @author Martin Desruisseaux (Geomatys)
 *
 * @source $URL: http://svn.osgeo.org/geotools/trunk/modules/library/opengis/src/test/java/org/opengis/referencing/KeyConstantsTest.java $
 */
public final class KeyConstantsTest {
    /**
     * Ensures that the key that are expected to be the same are really the same.
     * We use {@code assertSame} instead than {@code assertEquals} because we
     * expect the JVM to have {@linkplain String#intern internalized} the strings.
     */
    @Test
    public void testSame() {
        assertSame(SCOPE_KEY,              Datum              .SCOPE_KEY);
        assertSame(SCOPE_KEY,              CoordinateOperation.SCOPE_KEY);
        assertSame(DOMAIN_OF_VALIDITY_KEY, Datum              .DOMAIN_OF_VALIDITY_KEY);
        assertSame(DOMAIN_OF_VALIDITY_KEY, CoordinateOperation.DOMAIN_OF_VALIDITY_KEY);
    }
}