/***********************************************
 *  CS2510 Spring 2011 
 *  Lecture #14.1
 *  Circular Data
 ***********************************************/

import tester.*;

// Represents a Movie
class Movie{
    String title;
    Actor star;
    
    Movie(String title, Actor star){
        this.title = title;
        this.star = star;
        // Give the star a role in this movie
        this.star.setRole(this);
    }
    // Is this movie the same as the given movie?
    boolean sameMovie(Movie that){
        return (this.title.equals(that.title));
    }
}


// Represents a(n) Actor
class Actor{
    String name;
    Movie role;
    
    Actor(String name){
        this.name = name;
    }
    
    // Set the Movie Role for this Actor
    void setRole(Movie m){
        this.role = m;
    }
    // Is this actor the same as the given actor?
    boolean sameActor(Actor that){
        return (this.name.equals(that.name) &&
                this.role.sameMovie(that.role));
    }    
}

// Examples... Tests
class LectureExamples{
    
    Actor bryan;
    Actor spencer;
    Movie mine;
    Movie sd_spy;

    LectureExamples(){
        this.resetData();
    }
    
    // Setup our testing data
    void resetData(){
        this.bryan = new Actor("Bryan");
        this.spencer = new Actor("Spencer");
        
        // The cycle is fixed in the Movie constructor...
        this.mine = new Movie("Minecraft: the Movie", this.bryan);
        this.sd_spy = new Movie("The Spy Who ##*%&$", this.spencer);
    }
    
    // Test our cycles...
    boolean testWhat(Tester t){
        this.resetData();
        
        return (t.checkExpect(this.bryan.role, this.mine) &&
                t.checkExpect(this.mine.star, this.bryan) &&
                t.checkExpect(this.spencer.role, this.sd_spy) &&
                t.checkExpect(this.sd_spy.star, this.spencer));
    }
}