package Sequenic.T2.Obj;

import java.io.File;
import java.util.*;

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

public class TestXShow {
	
	static class Tree {
		Object left ;
		Object right ;
		int id = 0 ;
		String name = "bla" ;
		Tree(Object t1, Object t2) {
		    this.left = t1 ;
		    this.right = t2 ;
		}
	}
	
	Tree singleton = new Tree(null,null) ;
	Tree cycle1() {
		Tree c = new Tree(null,null) ;
		c.left = c ;
		return c ;
	}
	
	Tree cycle2() {
		Tree c = new Tree(new Tree(null,null),null) ;
		((Tree) c.left).left = c ;
		return c ;
	}
	
	Tree tree2() {
		Tree c = new Tree(new Tree(new Tree(null,null),null),new Object()) ;
		return c ;
	}
	
	Tree deep() {
		Tree c = new Tree(new Tree(new Tree(null,null),null),new Object()) ;
		for (int k=0; k<10; k++) c = new Tree(c,c) ;
		return c ;
	}
	
	@Test
	public void show() {
		assertTrue(XShow.show(new Object()).indexOf("Object") >= 0)  ;
		
		String s = XShow.show(singleton) ;
		assertTrue(s.contains("Tree")) ;
		assertTrue(s.contains("left")) ;
		assertTrue(s.contains("NULL")) ;
		
		s = XShow.show(cycle1()) ;
		//System.out.println(s) ;
		assertTrue(s.contains("left (Tree) ---> @0")) ;
		
		s = XShow.show(cycle2()) ;	
		//System.out.println(s) ;
		assertTrue(s.contains("left (Tree) ---> @0")) ;
		
		s = XShow.show(tree2()) ;
		//System.out.println(s) ;
		assertTrue(s.contains("5")) ;
		
		s = XShow.show(deep()) ;
		//System.out.println(s) ;
		assertFalse(s.contains("5")) ;
		assertTrue(s.contains("4")) ;
		assertTrue(s.contains("right (Tree) ---> @3")) ;
		assertTrue(s.contains("right (Tree) ---> @4")) ;
		assertFalse(s.contains("right (Tree) ---> @0")) ;
			
		List<Tree> lt = new LinkedList<Tree>() ;
		lt.add(singleton) ;
		lt.add(cycle1()) ;
		s = XShow.show(lt) ;
		//System.out.println(s) ;
		assertTrue(s.contains("left (Tree) ---> @3")) ;
		
		String[] a = { "hello", null, "world" } ;
		s = XShow.show(a) ;
		//System.out.println(s) ;
		assertTrue(s.contains("hello")) ;
		assertTrue(s.contains("NULL")) ;
		assertTrue(s.contains("world")) ;
		assertTrue(s.contains("[2]")) ;
		
		s = XShow.show(new File("foo")) ;
		//System.out.println(s) ;
		assertTrue(s.contains("(File) : ...")) ;
		
	}

}