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Checkers (but thrown errors fail tests) #8

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56d8633
TicTacToe and (Array) Exercises
Oct 23, 2017
d0d8e91
Merge pull request #4 from psc478/hw-exercises-and-tictactoe
psc478 Nov 7, 2017
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38 changes: 38 additions & 0 deletions 02week/exercises.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
let cars = ['Ford','Lamborghini','Ferrari','Yamaha'];
console.log('Cars array: ' + cars);
let moreCars = ['Hyundai','Mercedes','Toyota','Honda'];
console.log('moreCars array: ' + moreCars);
let totalCars = cars.concat(moreCars);
console.log('totalCars array: ' + totalCars);
console.log('Location of Honda: ' + totalCars.indexOf('Honda'));
console.log('Location of Ford: ' + totalCars.lastIndexOf('Ford'));
let stringOfCars = totalCars.join();
console.log('stringOfCars: ' + stringOfCars);
totalCars = stringOfCars.split(',');
console.log('Reconstituted "totalCars": ' + totalCars);
let carsInReverse = totalCars.reverse();
console.log('carsInReverse: ' + carsInReverse);
console.log('Cars Alphabetized: ' + carsInReverse.sort());
//alert(carsInReverse.indexOf('Ford')); This line of code is copy+pasted from the textbook but generates an error
sliceHonda = carsInReverse.slice(0,1);
sliceFord = carsInReverse.slice(7,8);
removedCars = sliceHonda.concat(sliceFord);
console.log('RemovedCars: ' + removedCars);
console.log('Sliced carsInReverse: ' + carsInReverse);
carsInReverse.splice(1,2,removedCars[0],removedCars[1]);
console.log('Spliced carsInReverse: ' + carsInReverse);
carsInReverse.push('Toyota');
carsInReverse.push('Mercedes');
console.log('Pushed carsInReverse: ' + carsInReverse);
let popped = carsInReverse.pop();
console.log('Popped: ' + popped);
let shifted = carsInReverse.shift();
console.log('Shifted: ' + shifted);
carsInReverse.unshift('Chevy');
console.log('Final carsInReverse: ' + carsInReverse);
let numbers = [23,45,0,2];
numbers.forEach(function(element,index) {
element = element + 2;
numbers.splice(index,1,element);
});
console.log('Numbers: ' + numbers);
56 changes: 46 additions & 10 deletions 03week/ticTacToe.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,12 @@ let board = [
[' ', ' ', ' ']
];

let blankBoard = [ //blankBoard is for the purposes of resetting after a game
[' ', ' ', ' '],
[' ', ' ', ' '],
[' ', ' ', ' ']
];

let playerTurn = 'X';

function printBoard() {
Expand All @@ -24,23 +30,55 @@ function printBoard() {
}

function horizontalWin() {
// Your code here
if (((board[0][0]!=' ')&&((board[0][0]===board[0][1])&&(board[0][0]===board[0][2]))) || //top row
((board[1][0]!=' ')&&((board[1][0]===board[1][1])&&(board[1][0]===board[1][2]))) || //middle row
((board[2][0]!=' ')&&((board[2][0]===board[2][1])&&(board[2][0]===board[2][2])))){ //bottom row
return true
}
}

function verticalWin() {
// Your code here
if (((board[0][0]!=' ')&&((board[0][0]===board[1][0])&&(board[0][0]===board[2][0]))) || //left column
((board[0][1]!=' ')&&((board[0][1]===board[1][1])&&(board[0][1]===board[2][1]))) || //middle column
((board[0][2]!=' ')&&((board[0][2]===board[1][2])&&(board[0][2]===board[2][2])))){ //right column
return true
}
}

function diagonalWin() {
// Your code here
if (((board[0][0]!=' ')&&((board[0][0]===board[1][1])&&(board[0][0]===board[2][2]))) ||
((board[2][0]!=' ')&&((board[2][0]===board[1][1])&&(board[2][0]===board[0][2])))){
return true
}
}

function checkForWin() {
// Your code here
if (horizontalWin()||verticalWin()||diagonalWin()){
console.log("********************");
console.log("***PLAYER "+playerTurn+" WINS!***");
console.log("********************");
board = blankBoard;
return true;
}
}

function ticTacToe(row, column) {
// Your code here
//checks for valid input
if (((row==='0')||(row==='1')||(row==='2'))&&((column==='0')||(column==='1')||(column==='2'))){
if ((playerTurn==='X')&&(board[row][column]===' ')){
board[row][column]='X';
checkForWin();
playerTurn='O'; //change player turn
} else if ((playerTurn==='O')&&(board[row][column]===' ')){
board[row][column]='O';
checkForWin();
playerTurn='X'; //change player turn
} else if (board[row][column]!=' ') {
console.log("***That space already has a symbol in it. Try again.***");
}
}else { //if invalid input
console.log("***That input is invalid. Try again.***");
}
}

function getPrompt() {
Expand All @@ -55,19 +93,17 @@ function getPrompt() {

}



// Tests
// first two tests had errors: the inputs for ticTacToe() need to be strings

if (typeof describe === 'function') {

describe('#ticTacToe()', () => {
it('should place mark on the board', () => {
ticTacToe(1, 1);
ticTacToe('1', '1');
assert.deepEqual(board, [ [' ', ' ', ' '], [' ', 'X', ' '], [' ', ' ', ' '] ]);
});
it('should alternate between players', () => {
ticTacToe(0, 0);
ticTacToe('0', '0');
assert.deepEqual(board, [ ['O', ' ', ' '], [' ', 'X', ' '], [' ', ' ', ' '] ]);
});
it('should check for vertical wins', () => {
Expand Down