package lab.games;

import static org.junit.Assert.*;

import java.io.FileNotFoundException;
import java.io.PrintWriter;
import org.junit.Test;

public class ASCIImationTest 
{
    private void test(String fileName, String letters)
    {
	try
	{
	    PrintWriter writer = new PrintWriter(fileName);
		
	    for (int i = 0; i < letters.length(); i++)
	    {
		writer.println("\n\n" + letters.charAt(i) + "\n\n\n");
	    }
		
	    writer.close();
	}
	catch (FileNotFoundException e)
	{
	    System.out.println("Something went wrong with running this test.");
	    System.out.println("Please contact your instructor.");
	}

	try
	{
	    ASCIImation example = new ASCIImation(fileName);
	    assertEquals("Constructor or getNumberOfFrames is incorrect.", letters.length(), example.getNumberOfFrames());
	    for (int i = 0; i < letters.length(); i++)
	    {
		assertEquals("get is incorrect.", "\n\n" + letters.charAt(i) + "\n\n\n", example.getFrame(i).toString());
	    }
	    example.reverse();
	    assertEquals("reverse is incorrect.", letters.length(), example.getNumberOfFrames());
	    for (int i = letters.length() - 1; i >= 0; i--)
	    {
		assertEquals("get is incorrect.", "\n\n" + letters.charAt(letters.length() - i - 1) + "\n\n\n", example.getFrame(i).toString());
	    }
	}
	catch (FileNotFoundException e)
	{
	    fail("Constructor threw an exception");
	}
    }
    
    @Test
    public void test()
    {
	test("example1.txt", "a");
	test("example2.txt", "ab");
	test("example3.txt", "abc");
	test("example4.txt", "abcd");
	test("example5.txt", "abcde");
	test("example6.txt", "abcdef");
    }

    @Test
    public void testException()
    {
	try
	{
	    ASCIImation example = new ASCIImation("example7.txt");
	    fail("Constructor did not throw a FileNotFoundException");
	}
	catch (FileNotFoundException e) {}
    }
}