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Deliverable 4 Submission #16

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8 changes: 8 additions & 0 deletions .classpath
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path=""/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
<classpathentry kind="lib" path="C:/Users/Ryan/Documents/GitHub/Project2/deliverable2_repo/lib/mockito-all-1.9.5.jar"/>
<classpathentry kind="output" path=""/>
</classpath>
2 changes: 2 additions & 0 deletions .gitignore
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/bin/
/bin/
17 changes: 17 additions & 0 deletions .project
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>JavaLife</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>
5 changes: 5 additions & 0 deletions com/laboon/.gitignore
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/Cell.class
/JavaLife.class
/State.class
/World.class
/WorldTest.class
28 changes: 21 additions & 7 deletions com/laboon/World.java
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Expand Up @@ -2,6 +2,18 @@

import java.util.Random;

/*
* Modification Log:
* + 3-30-2015 : Ryan McDonald
* Refactored toString() method to use StringBuilder while
* building the gameboard as a string since using the "+="
* with Strings is inefficent in Java as they are immutable
* so this would continually create new Strings. Also, we
* can avoid the String.valueOf() method call alltogether.
*
*/


public class World {

/**
Expand Down Expand Up @@ -115,19 +127,21 @@ public World iterate() {
*/

public String toString() {
String toReturn = " ";
StringBuilder toReturn = new StringBuilder(" ");

for (int j= 0; j < _size; j++) {
toReturn += String.valueOf(j % 10);
toReturn.append(j % 10);
}
toReturn += "\n";
toReturn.append("\n");
for (int j = 0; j < _size; j++ ) {
toReturn += String.valueOf(j % 10) + " ";
toReturn.append(j % 10);
toReturn.append(" ");
for (int k = 0; k < _size; k++) {
toReturn += (_world[j][k].getStateRep());
toReturn.append(_world[j][k].getStateRep());
}
toReturn += "\n";
toReturn.append("\n");
}
return toReturn;
return toReturn.toString();
}

/**
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190 changes: 190 additions & 0 deletions com/laboon/WorldTest.java
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package com.laboon;

import static org.junit.Assert.*;

import java.util.Random;
import org.junit.BeforeClass;
import org.junit.Test;

import static org.mockito.Mockito.*;
import org.mockito.*;
import org.mockito.stubbing.OngoingStubbing;

public class WorldTest
{

@Test
/*
* Test that calling World's toString() method is invoked
* appropriately as one would would expect
*/
public void testToStringMethod()
{
String dummy = new String("dummy");
World mockWorld = mock(World.class);
when(mockWorld.toString()).thenReturn(dummy);

assertTrue(mockWorld.toString().equals(dummy));
}

@Test
/*
* Test edge case that generating an empty world produces
* a String representing no meaningful content seeing as
* how there is nothing to represent
*/
public void testEmptyWorld()
{
Cell[][] emptyCells = new Cell[0][0];
Random rando = new Random();
World w = new World(emptyCells, rando);

String expectedReturn = " \n";
assertTrue(expectedReturn.equals(w.toString()));
}

@Test
/*
* Verify that when a world of dead cells is generated
* the toString() method will print a world of dead
* cells to represent that
*/
public void testWorldOfDeadCells()
{
Random rando = new Random();

Cell deadCell = mock(Cell.class);
when(deadCell.getStateRep()).thenReturn('X');
Cell[][] worldToBe = {{deadCell, deadCell},
{deadCell, deadCell}};

World deadWorld = new World(worldToBe, rando);

String expectedWorld = " 01\n"+
"0 XX\n"+
"1 XX\n";

assertTrue(expectedWorld.equals(deadWorld.toString()));

}

@Test
/*
* Verify that when a world of living cells is generated
* the toString() method will return a string of living
* cells to represent that
*/
public void testWorldOfLivingCells()
{
Random rando = new Random();

Cell livingCell = mock(Cell.class);
when(livingCell.getStateRep()).thenReturn('.');
Cell[][] worldToBe = {{livingCell, livingCell},
{livingCell, livingCell}};

World livingWorld = new World(worldToBe, rando);

String expectedWorld = " 01\n"+
"0 ..\n"+
"1 ..\n";

assertTrue(expectedWorld.equals(livingWorld.toString()));
}

@Test
/*
* Verify that when a world created with both living
* and dead cells will return the proper String when
* the toString() method is called
*/
public void testWorldOfLivingAndDeadCells()
{
Random rando = new Random();

Cell livingCell = mock(Cell.class);
Cell deadCell = mock(Cell.class);

when(livingCell.getStateRep()).thenReturn('.');
when(deadCell.getStateRep()).thenReturn('X');

Cell[][] worldToBe = {{livingCell, deadCell, livingCell, deadCell},
{deadCell, deadCell, livingCell, livingCell},
{deadCell, livingCell, deadCell, livingCell},
{livingCell, livingCell, deadCell, deadCell}};

World livingDeadWorld = new World(worldToBe, rando);

String expectedWorld = " 0123\n"+
"0 .X.X\n"+
"1 XX..\n"+
"2 X.X.\n"+
"3 ..XX\n";

assertTrue(expectedWorld.equals(livingDeadWorld.toString()));
}

@Test
/*
* Verify whether the row labeling is for a world is
* correct within the string of the World. This will
* also confirm whether the edge case of having more
* than ten rows still appropriately wraps the numbering
* around to start back over at 0
*/
public void testRowsInString()
{
int randoSeed = 0;
int boardSize = 100;
int percentAlive = 10;

World testWorld = new World(boardSize, randoSeed, percentAlive);

String worldString = testWorld.toString();

String[] worldRows = worldString.split("\n");

//Test row numbering
for(int i = 0; i < worldRows.length-1; i++)
{
int foundRow = Character.getNumericValue(worldRows[i+1].charAt(0));
int expectedRow = i % 10;

assertTrue(foundRow == expectedRow);
}

}

@Test
/*
* Verify whether the column labeling is for a world is
* correct within the string of the World. This will
* also confirm whether the edge case of having more
* than ten columns still appropriately wraps the numbering
* around to start back over at 0
*/
public void testColumnsInString()
{
int randoSeed = 0;
int boardSize = 100;
int percentAlive = 10;

World testWorld = new World(boardSize, randoSeed, percentAlive);

String worldString = testWorld.toString();

String[] worldRows = worldString.split("\n");

//Test column numbering
char[] columnNums = worldRows[0].substring(2).toCharArray();
for(int i = 0; i < columnNums.length; i++)
{
int foundColumn = Character.getNumericValue(columnNums[i]);
int expectedColumn = i % 10;
assertTrue(foundColumn == expectedColumn);
}

}


}
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