import Sequenic.T2.* ;

import org.junit.* ;
import static org.junit.Assert.* ;

public class TestXPool {

	static class Item {} 
	static class Dream{}
	
	Item x1 = new Item() ;
	Item x2 = new Item() ;
	Dream y1 = new Dream() ;

	private XPool empty() { return new XPool() ; }
	private XPool singleton() {
		XPool p = new XPool() ;
		p.put(x1) ;
		return p ;
	}
	private XPool p3() {
		XPool p = new XPool() ;
		p.put(x1) ; p.put(x2) ;
		p.put(y1) ;
		return p ;
	}
	
	@Test
	public void get() {
		assertNotNull(singleton().get(0)) ;
		assertNotNull(p3().get(0)) ;
	}
	
	//@Test
	public void getBO() {
		assertNull(empty().get(0)) ;
		assertNull(p3().get(-1)) ;
		assertNull(p3().get(9)) ;		
	}
	
	@Test
	public void put() {
		XPool p = empty() ;
		p.put(x1) ;
		assertNotNull(p.get(0)) ;
		
		p = singleton() ;
		p.put(x1) ;
		assertTrue(p.get_objectCount() == 2) ;
		
		p = p3() ;
		p.put(y1) ;
		p.put(new Dream()) ;
		p.put(new Object()) ;
		assertTrue(p.get_objectCount() == 6) ;
	}
	
	//@Test(expected = IllegalArgumentException.class)
	public void put_null_BO() {
		XPool p = singleton() ;
		p.put(null) ;
	}
	
	@Test
	public void get_objectCount() {
		assertTrue(empty().get_objectCount() == 0) ;
		assertTrue(singleton().get_objectCount() == 1) ;
		assertTrue(p3().get_objectCount() == 3) ;
	}

	//@Test 
	public void resetBO() {
		XPool p = empty() ;
		p.reset() ;
		assertTrue(p.get_objectCount() == 0) ;
		
		p = singleton() ; p.reset() ;
		assertTrue(p.get_objectCount() == 0) ;
		
		p =  p3() ; p.reset() ;
		assertTrue(p.get_objectCount() == 0) ;
	}
	
	@Test
	public void getIndex() {
		assertTrue(singleton().getIndex(Item.class) == 0) ;
		assertTrue(p3().getIndex(Item.class) == 0) ;
		assertTrue(p3().getIndex(Dream.class) == 2) ;
		Integer k = p3().getIndex(Object.class) ;
		assertTrue(0<=k && k<3) ;
	}
	
	//@Test
	public void getIndexBO() {
		assertNull(empty().getIndex(Item.class)) ;
		assertNull(p3().getIndex(Class.class)) ;
	}
	
	//@Test(expected = IllegalArgumentException.class) 
	public void getIndex_null_BO() {
		p3().getIndex(null) ;
	}
}