CashAmount for Floats

function CashAmount(dollars) {
	this.total = dollars;
	this.pennies = dollars * 100;
}

CashAmount.prototype.totalInPennies = function() {
	return this.pennies;
}

CashAmount.prototype.addDoubleAmount = function(dollars) {
	this.pennies += dollars * 100;
}

CashAmount.prototype.quantityOfEachDenomination = function() {
	var dollars = this.pennies/100;
	var pennies = this.pennies - dollars;
	var denomination = {};

	denomination['hundreds'] = Math.floor(dollars/ 100);
	dollars -= denomination['hundreds'];
	denomination['fifties'] = Math.floor(dollars / 50);
	dollars -= denomination['fifties'];
	denomination['tens'] = Math.floor(dollars/ 10);
	dollars -= denomination['tens'];
	denomination['fives'] = Math.floor(dollars/ 5);
	dollars -= denomination['fives'];
	denomination['ones'] = Math.floor(dollars);
	dollars -= denomination['ones'];
	denomination['quarters'] = Math.floor(pennies/ 25);
	pennies -= denomination['quarters'];
	denomination['dimes'] = Math.floor(pennies/ 10);
	pennies -= denomination['dimes'];
	denomination['nickels'] = Math.floor(pennies/ 5);
	pennies -= denomination['nickels'];
	denomination['pennies'] = pennies;
	return denomination;
}

CashAmount.prototype.toDouble = function() {
	var q = this.quantityOfEachDenomination();
	var dollars = q['hundreds']*100 + q['fifties']*50 + q['tens']*10 + q['fives']*5 + q['ones']; 
	var pennies = q['quarters']*25 + q['dimes']*10 + q['nickels']*5 + q['pennies'];
	this.total = dollars + pennies/100;
	return this.total;

}

CashAmount.prototype.toDoubleString = function() {
	return this.total.toString();
}

// Testing

class TestSuite {
  runTests() {
    var cash = new CashAmount(123.45);

    expect(cash).to.equal()
  }
  
  testTotalInPennies() {
  	var pennies = cash.totalInPennies();
  	expect(pennies).to.equal(12345);
  }

  testQuantityDenomination() {
  	
  }
  testDouble() {
  	cash.toDouble(98.76);
  	var amount = cash.toDouble();
  	expect(amount).to.equal(222.21)
  }
 }

 
 const suite = new TestSuite();
 suite.runTests();