source: josm/test/org/openstreetmap/josm/data/osm/visitor/BoundingXYVisitorTest.java@ 146

package org.openstreetmap.josm.data.osm.visitor;

import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.data.coor.EastNorth;
import org.openstreetmap.josm.data.osm.Node;
import org.openstreetmap.josm.testframework.MotherObject;

public class BoundingXYVisitorTest extends MotherObject {

        private BoundingXYVisitor v;

        private void assertVisitorFilled() {
        assertNotNull(v.max);
        assertNotNull(v.min);
    }

        @Override protected void setUp() throws Exception {
                super.setUp();
                v = new BoundingXYVisitor();
        }

        public void testVisitNode() {
                Node node = createNode();
                node.visit(v);
                assertVisitorFilled();
                assertEquals(node.eastNorth.east(), v.min.east());
                assertEquals(node.eastNorth.north(), v.min.north());
                assertEquals(v.max, v.min);
        }

        public void testVisitSegment() {
                createSegment().visit(v);
                assertVisitorFilled();
                assertFalse(v.max.equals(v.min));
        }

        public void testVisitWay() {
                createWay(createSegment()).visit(v);
                assertVisitorFilled();
                assertFalse(v.max.equals(v.min));
        }

        public void testVisitEastNorth() {
                v.visit(new EastNorth(123,321));
                v.visit(new EastNorth(124,322));
                assertEquals(123.0, v.min.east());
                assertEquals(124.0, v.max.east());
                assertEquals(321.0, v.min.north());
                assertEquals(322.0, v.max.north());
        }

        public void testGetBounds() {
                Node node = createNode();
                v.visit(node);
                Bounds b = v.getBounds();
                assertNotNull(b);
                assertEquals(node.coor.lat(), b.min.lat());
                assertEquals(node.coor.lon(), b.min.lon());
        }

}