// This software is released into the Public Domain. See copying.txt for details.
package org.openstreetmap.osmosis.pgsnapshot.v0_6.impl;
import org.junit.Assert;
import org.junit.Test;
import org.openstreetmap.osmosis.pgsnapshot.common.InMemoryNodeLocationStore;
import org.openstreetmap.osmosis.pgsnapshot.common.NodeLocation;
import org.openstreetmap.osmosis.pgsnapshot.common.NodeLocationStore;
import org.openstreetmap.osmosis.pgsnapshot.common.PersistentNodeLocationStore;
import org.openstreetmap.osmosis.core.util.FixedPrecisionCoordinateConvertor;
/**
* Tests the node location store implementations.
*
* @author Brett Hendersons
*/
public class NodeLocationStoreTest {
private void testStoreImplementation(NodeLocationStore store) {
// Add a large number of locations to the store.
for (int i = 0; i < 100000; i++) {
double longitude;
double latitude;
// Stores typically use fixed precision storage therefore ensure we
// have a good spread of values.
// The longitude and latitude must be different values to ensure they don't get mixed up.
longitude = FixedPrecisionCoordinateConvertor.convertToDouble(1 << (i % 32));
latitude = FixedPrecisionCoordinateConvertor.convertToDouble(1 << ((i + 1) % 32));
// Add the location to the store but leave every node invalid.
store.addLocation(i * 2, new NodeLocation(longitude, latitude));
}
// Verify that the data from the store matches.
for (int i = 0; i < 100000; i++) {
double longitude;
double latitude;
NodeLocation location;
// Stores typically use fixed precision storage therefore ensure we
// have a good spread of values.
// The longitude and latitude must be different values to ensure they don't get mixed up.
longitude = FixedPrecisionCoordinateConvertor.convertToDouble(1 << (i % 32));
latitude = FixedPrecisionCoordinateConvertor.convertToDouble(1 << ((i + 1) % 32));
location = store.getNodeLocation(i * 2);
Assert.assertTrue("The node location should be valid.", location.isValid());
Assert.assertEquals("The longitude is incorrect.", longitude, location.getLongitude(), 0);
Assert.assertEquals("The latitude is incorrect.", latitude, location.getLatitude(), 0);
location = store.getNodeLocation((i * 2) + 1);
Assert.assertFalse("The node location should be invalid.", location.isValid());
}
store.release();
}
/**
* Tests the temporary file implementation.
*/
@Test
public void testTempFile() {
testStoreImplementation(new PersistentNodeLocationStore());
}
/**
* Tests the in-memory implementation.
*/
@Test
public void testInMemory() {
testStoreImplementation(new InMemoryNodeLocationStore());
}
}