public void ChangeMachineTest()
{
string wantedResult = "0 Half Dollars, 0 Quarters, 0 Dimes, 1 Nickels, 2 Pennies ";
string result = MoneyMachine.ChangeConverter(0.07);
Assert.AreEqual(wantedResult, result, "input:0.07");
wantedResult = "0 Half Dollars, 0 Quarters, 0 Dimes, 0 Nickels, 0 Pennies ";
result = MoneyMachine.ChangeConverter(-0.07);
Assert.AreEqual(wantedResult, result, "input:-0.07");
wantedResult = "1 Half Dollars, 1 Quarters, 1 Dimes, 1 Nickels, 1 Pennies ";
result = MoneyMachine.ChangeConverter(0.91);
Assert.AreEqual(wantedResult, result, "input:0.91");
}
