package edu.stanford.nlp.util;
import junit.framework.TestCase;
/**
* @author John Bauer
*/
public class DeltaIndexTest extends TestCase {
HashIndex<String> underlying;
DeltaIndex<String> spillover;
public void setUp() {
underlying = new HashIndex<String>();
underlying.add("foo0");
underlying.add("foo1");
underlying.add("foo2");
underlying.add("foo3");
underlying.add("foo4");
assertEquals(5, underlying.size());
spillover = new DeltaIndex<String>(underlying);
spillover.add("foo1");
spillover.add("foo5");
spillover.add("foo6");
}
public void testSize() {
assertEquals(5, underlying.size());
assertEquals(7, spillover.size());
}
public void testContains() {
assertTrue(underlying.contains("foo1"));
assertFalse(underlying.contains("foo5"));
assertFalse(underlying.contains("foo7"));
assertTrue(spillover.contains("foo1"));
assertTrue(spillover.contains("foo5"));
assertFalse(spillover.contains("foo7"));
}
public void testIndex() {
assertEquals(4, spillover.indexOf("foo4"));
assertEquals(6, spillover.indexOf("foo6"));
assertEquals(-1, spillover.indexOf("foo7"));
}
public void testGet() {
assertEquals("foo4", spillover.get(4));
assertEquals("foo5", spillover.get(5));
assertEquals("foo6", spillover.get(6));
}
}