ScaleRatioDecorationTest.java

/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
 * (c) 2001 - 2013 OpenPlans
 *           (c) 2002-2011 Open Source Geospatial Foundation (LGPL)
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 * 
 * A modified version of ScaleRatioDecorationTest from GeoTools (LGPL).
 */
package org.geoserver.wms.decoration;

import org.junit.Assert;

import org.junit.Test;


public class ScaleRatioDecorationTest extends DecorationTestSupport {
    
    @Test
    public void testRatio() throws Exception {
        ScaleRatioDecoration d = new ScaleRatioDecoration();
    
        // 90 is DPI default value
        Assert.assertEquals(3975, d.getScale(createMapContent(-1)), 1);
        Assert.assertEquals(3975, d.getScale(createMapContent(25.4 / 0.28)), 1);
    
        Assert.assertEquals(13147, d.getScale(createMapContent(300)), 1);
        Assert.assertEquals(26295, d.getScale(createMapContent(600)), 1);
        Assert.assertEquals(78887, d.getScale(createMapContent(1800)), 1);
    }
    
}