public int ModuloConstants(string input, Constant constant)
{
Parser parse = new Parser();
int constant_value;
int number_value;
Char result1;
Char result2;
int result3;
int result4;
bool test1 = Char.TryParse(parse.GetFirst(input), out result1);
bool test2 = Char.TryParse(parse.GetSecond(input), out result2);
bool test3 = int.TryParse(parse.GetFirst(input), out result3);
bool test4 = int.TryParse(parse.GetSecond(input), out result4);
if (test1 && !test3 && test4)
{
constant_value = constant.GetConstant(result1);
number_value = result4;
}
else if (test2 && !test4 && test3)
{
constant_value = constant.GetConstant(result2);
number_value = result3;
}
else if (test1 && test2 && !test3 && !test4)
{
constant_value = constant.GetConstant(result1);
number_value = constant.GetConstant(result2);
}
else
{
throw new FormatException();
}
return constant_value % number_value;
}
public int EvaluateInput(string input, Constant constant)
{
Parse parse = new Parse();
Add add_input = new Add();
Subtract subtract_input = new Subtract();
Multiply multiply_input = new Multiply();
Divide divide_input = new Divide();
Modulo modulo_input = new Modulo();
if (parse.OperatorInput(input) == '+')
{
return add_input.AddConstants(input, constant);
}
if (parse.OperatorInput(input) == '-')
{
return subtract_input.SubtractConstants(input, constant);
}
if (parse.OperatorInput(input) == '*')
{
return multiply_input.MultiplyConstants(input, constant);
}
if (parse.OperatorInput(input) == '/')
{
return divide_input.DivideConstants(input, constant);
}
if (parse.OperatorInput(input) == '%')
{
return modulo_input.ModuloConstants(input, constant);
}
throw new FormatException();
}
public void ConstantCanAdd()
{
Constant newConstant = new Constant();
newConstant.addConst("a", 2);
Evaluate twoPlusThree = new Evaluate("a + 3", newConstant);
Assert.AreEqual(5, twoPlusThree.doMath());
}
public void ConstantTestIfCanGetValueOfConstant()
{
Constant constant = new Constant();
constant.AddToConstants('x', 5);
Assert.AreEqual(5, constant.GetValueOf('x'));
}
static void Main(string[] args)
{
int count = 0;
Constant currentConstant = new Constant();
Evaluate expression;
while (true)
{
Console.Write("[{0}]> ", count);
string input = Console.ReadLine();
expression = new Evaluate(input, currentConstant);
if (input.ToLower() == "exit" || input.ToLower() == "quit")
{
break;
}
else if (input.IndexOf("=")> -1)
{
//set variable
Parse addConstant = new Parse(input, currentConstant);
addConstant.setOperatorIndex();
currentConstant.addConst(addConstant.StringFirst(), addConstant.secondNum());
// = saved 'x' as '3'
Console.WriteLine("= saved '" + addConstant.StringFirst() + "' as '" + addConstant.secondNum() + "'");
}
else
{
int answer = expression.doMath();
Console.WriteLine(" = {0}", answer);
count++;
}
}
}
public void EvaluateInputWorksForConstantAddition()
{
string input = "a+5";
Constant constant = new Constant();
constant.AddConstant('a', 1);
Evaluate newSession = new Evaluate();
Assert.AreEqual(6, newSession.EvaluateInput(input, constant));
}
public void ConstantCanAddMultipleConstantsToList()
{
Constant myConstant = new Constant();
myConstant.addConst("a", 5);
myConstant.addConst("b", 8);
Assert.AreEqual(5, myConstant.getNum("a"));
Assert.AreEqual(8, myConstant.getNum("b"));
}
public void ConstantEnsureICanAddConstantToDictionary()
{
Constant constant = new Constant();
constant.AddConstant('x', 5);
int result;
constant.constant_dictionary.TryGetValue('x', out result);
Assert.AreEqual(5, result);
}
public void ConstantTestIfCanAddToDictionaryIfConstantAlreadyExists()
{
Constant constant = new Constant();
constant.AddToConstants('x', 5);
constant.AddToConstants('x', 10);
Assert.AreEqual(5, constant.Constants['x']);
}
public void ParseAllowsConstantsFirst()
{
Constant newConstant = new Constant();
Parse aplus3 = new Parse("a + 3", newConstant);
aplus3.addConst("a", 5);
aplus3.setOperatorIndex();
Assert.AreEqual(5, aplus3.firstNum());
}
public void EvaluateInputConstantMultiply()
{
string input = "a*8";
Constant constant = new Constant();
constant.AddConstant('a', 1);
Evaluate newSession = new Evaluate();
Assert.AreEqual(5, newSession.EvaluateInput(input, constant));
}
public void EvaluateInputConstantModulo()
{
string input = "a%5";
Constant constant = new Constant();
constant.AddConstant('a', 11);
Evaluate newSession = new Evaluate();
Assert.AreEqual(1, newSession.EvaluateInput(input, constant));
}
public void EvaluateInputConstantSubtract()
{
string input = "a-8";
Constant constant = new Constant();
constant.AddConstant('a', 7);
Evaluate newSession = new Evaluate();
Assert.AreEqual(2, newSession.EvaluateInput(input, constant));
}
public void EvaluateInputConstantDivision()
{
string input = "a/5";
Constant constant = new Constant();
constant.AddConstant('a', 10);
Evaluate newSession = new Evaluate();
Assert.AreEqual(2, newSession.EvaluateInput(input, constant));
}
public void ConstantTestGetExpressionWithIncorrectValues()
{
string input = "x = y + 1";
Constant constant = new Constant(input);
int expected = 5;
Assert.AreEqual(expected, constant.GetExpression());
}
public void ConstantTestGetExpressionWithOneThingOneRightSide()
{
Constant constant = new Constant();
string input = "x = 12";
constant.ChangeExpression(input);
int expected = 12;
Assert.AreEqual(expected, constant.GetExpression());
}
public void ConstantTestGetExpression()
{
string input = "x = 12 + 12";
Constant constant = new Constant();
constant.ChangeExpression(input);
int expected = 24;
Assert.AreEqual(expected, constant.GetExpression());
}
public void ConstantTestAddToListMethod()
{
Constant constant = new Constant();
char expectedConst = 'x';
int expectedNum = 5;
constant.AddToConstants(expectedConst, expectedNum);
Assert.AreEqual(expectedNum, constant.Constants[expectedConst]);
}
public void ConstantTestGetExpressionWithOtherConstants()
{
Constant constant = new Constant();
string input = "x = 12 + 12";
constant.ChangeExpression(input);
constant.GetExpression();
constant.ChangeExpression("y = x + 2");
int expected = 26;
Assert.AreEqual(expected, constant.GetExpression());
}
public void AddWorksWithConstantsBackwards()
{
string mock_input = "22 + a";
Parser parse = new Parser();
int toBeKey = int.Parse(parse.GetFirst(mock_input));
char toBeKeyValue = char.Parse(parse.GetSecond(mock_input));
Constant constant = new Constant();
constant.AddConstant(toBeKeyValue, 1);
Add items = new Add();
Assert.AreEqual(23, items.AddConstants(mock_input, constant));
}
public void DivideWorksWithConstants()
{
string mock_input = "a / 2";
Parser parse = new Parser();
char toBeKey = char.Parse(parse.GetFirst(mock_input));
int toBeKeyValue = int.Parse(parse.GetSecond(mock_input));
Constant constant = new Constant();
constant.AddConstant(toBeKey, 2);
Divide items = new Divide();
Assert.AreEqual(1, items.DivideConstants(mock_input, constant));
}
public void ModuloWorksWithConstants()
{
string mock_input = "a % 2";
Parser parse = new Parser();
char toBeKey = char.Parse(parse.GetFirst(mock_input));
int toBeKeyValue = int.Parse(parse.GetSecond(mock_input));
Constant constant = new Constant();
constant.AddConstant(toBeKey, 5);
Modulo items = new Modulo();
Assert.AreEqual(1, items.ModuloConstants(mock_input, constant));
}
public void SubtractWorksWithConstants()
{
string mock_input = "a - 2";
Parser parse = new Parser();
char toBeKey = char.Parse(parse.GetFirst(mock_input));
int toBeKeyValue = int.Parse(parse.GetSecond(mock_input));
Constant constant = new Constant();
constant.AddConstant(toBeKey, 1);
Subtract items = new Subtract();
Assert.AreEqual(-1, items.SubtractConstants(mock_input, constant));
}
public void MultiplyWorksWithConstants()
{
string mock_input = "a * 2";
Parser parse = new Parser();
char toBeKey = char.Parse(parse.GetFirst(mock_input));
int toBeKeyValue = int.Parse(parse.GetSecond(mock_input));
Constant constant = new Constant();
constant.AddConstant(toBeKey, 1);
Multiply items = new Multiply();
Assert.AreEqual(2, items.MultiplyConstants(mock_input, constant));
}
static void Main(string[] args)
{
int count = 0;
Parser parse = new Parser();
Constant constant = new Constant();
Evaluate evaluate_input = new Evaluate();
Char result1;
Char result2;
int result3;
int result4;
while (true)
{
Console.Write("[{0}]", count);
string input = Console.ReadLine();
if (input.ToLower() == "exit" || input.ToLower() == "quit")
{
break;
}
bool testIfFirstIsChar = Char.TryParse(parse.GetFirst(input), out result1);
bool testIfSecondIsChar = Char.TryParse(parse.GetSecond(input), out result2);
bool testIfFirstIsNum = int.TryParse(parse.GetFirst(input), out result3);
bool testIfSecondIsNum = int.TryParse(parse.GetSecond(input), out result4);
if (input.Length == 1)
{
Console.WriteLine(" = {0} is {1}", input, constant.GetConstant(char.Parse(input)));
}
else if (testIfFirstIsChar && !testIfFirstIsNum && parse.GetOperator(input) == '=')
{
constant.AddConstant(result1, result4);
Console.WriteLine("= '{0}' is '{1}' ", result1, result4);
}
else if (testIfFirstIsChar && !testIfFirstIsNum && testIfSecondIsNum || testIfSecondIsChar && !testIfSecondIsNum && testIfFirstIsNum || !testIfFirstIsNum && !testIfSecondIsNum)
{
Console.WriteLine("= {0}", evaluate_input.EvaluateInput(input, constant));
}
else if (testIfFirstIsNum && testIfSecondIsNum)
{
Console.WriteLine("= {0}", evaluate_input.EvaluateInput(input));
}
count++;
}
}
static void Main(string[] args)
{
Console.WriteLine("Calculator");
int count = 0;
string input;
Constant constant = new Constant();
while (true)
{
Console.Write("[{0}]> ", count);
input = Console.ReadLine();
if(input == "exit" || input == "quit")
{
Console.WriteLine("loggin out");
break;
}
ProcessInput PI = new ProcessInput(input);
try
{
Evaluate ev = new Evaluate(PI.GetFirstInputNumber(), PI.GetOperator(), PI.GetSecondInputNumber());
Console.WriteLine(" = " + ev.Operate());
}
catch
{
constant.ChangeExpression(input);
try
{
Console.WriteLine(constant.GetExpression());
}
catch
{
Console.WriteLine("Error! Try again . . .");
}
}
count++;
}
}
public void ConstantEnsureICanCreateConstant()
{
Constant constant = new Constant();
Assert.IsNotNull(constant);
}
static void Main(string[] args)
{
int counter = 0;
string lastAnswer = "";
string lastCommand = "";
while (true)
{
Console.Write("[{0}]>", counter);
string inputString = Console.ReadLine();
//all the patterns
//exit pattern
string exitPattern = @"^(exit|quit|EXIT|QUIT)$";
Match exit = Regex.Match(inputString.ToLower(), exitPattern);
//lastAnswer Pattern
string lastAnswerPattern = @"^last$";
Match lastAnswerP = Regex.Match(inputString.ToLower(), lastAnswerPattern);
//lastCommand Pattern
string lastCommandPattern = @"^lastq$";
Match lastCommandP = Regex.Match(inputString.ToLower(), lastCommandPattern);
//regular calculation pattern
string RegurlarCalculationPattern = @"^(?<digit1>[0-9]+)(?<operation>(\+|\-|\*|\/))(?<digit2>[0-9]+)$";
Match m1 = Regex.Match(inputString, RegurlarCalculationPattern);
//modulus pattern
string modulusPattern = @"^\|(?<sign>\-?)(?<number>\d+)\|$";
Match modulusOperation = Regex.Match(inputString, modulusPattern);
//x=5 pattern
string constSetPattern = @"^(?<constantLetter>[a-zA-Z])(\s?)\=(\s?)(?<constantNumber>\d+)$";
Match constantOperation = Regex.Match(inputString, constSetPattern);
//x pattern
string constGetPattern = @"^(?<constLetter>[a-zA-Z])$";
Match constantGet = Regex.Match(inputString, constGetPattern);
//x+1 pattern
string letterPlusNumPattern = @"^(?<const>[a-zA-Z])(?<operation>(\+|\-|\*|\/))(?<digit>[0-9]+)$";
Match constOperation = Regex.Match(inputString, letterPlusNumPattern);
//1+x pattern
string numPlusLetterPattern = @"^(?<digit>[0-9]+)(?<operation>(\+|\-|\*|\/))(?<const>[a-zA-Z])$";
Match numPlusLetterP = Regex.Match(inputString, numPlusLetterPattern);
//x+y pattern
string letterPlusLetterPattern = @"^(?<const1>[a-zA-Z])(?<operation>(\+|\-|\*|\/))(?<const2>[a-zA-Z])$";
Match letterPlusLetterP = Regex.Match(inputString, letterPlusLetterPattern);
//exit pattern
if (exit.Success == true)
{
break;
}
//lastAnswer Pattern
else if (lastAnswerP.Success == true)
{
Console.WriteLine(lastAnswer);
}
//lastCommand Pattern
else if (lastCommandP.Success == true)
{
Console.WriteLine(lastCommand);
}
//regular calculation pattern
else if (m1.Success == true)
{
lastCommand = inputString;
int number1 = int.Parse(m1.Groups["digit1"].Value);
int number2 = int.Parse(m1.Groups["digit2"].Value);
string operation = m1.Groups["operation"].Value;
if (operation == "+")
{
Addition addition = new Addition();
int additionResult = addition.AdditionOperation(number1, number2);
Console.WriteLine("=" + additionResult);
lastAnswer = "=" + additionResult;
counter++;
continue;
}
else if (operation == "-")
{
Subtraction subtraction = new Subtraction();
int subtractionResult = subtraction.SubtractionOperation(number1, number2);
Console.WriteLine("=" + subtractionResult);
lastAnswer = "=" + subtractionResult;
counter++;
continue;
}
else if (operation == "*")
{
Multiplication multi = new Multiplication();
int multiResult = multi.MultiplicationOperation(number1, number2);
Console.WriteLine("=" + multiResult);
lastAnswer = "=" + multiResult;
counter++;
continue;
}
else if (operation == "/")
{
Division divi = new Division();
string diviResult = divi.DivisionOperation(number1, number2);
Console.WriteLine("=" + diviResult);
lastAnswer = "=" + diviResult;
counter++;
continue;
}
}
//modulus pattern
else if (modulusOperation.Success == true)
{
lastCommand = inputString;
int modulusNum = int.Parse(modulusOperation.Groups["number"].Value);
string ifSign = modulusOperation.Groups["sign"].Value;
Modulus modulus = new Modulus();
int modulusResult = modulus.ModulusFunction(ifSign, modulusNum);
Console.WriteLine(modulusResult);
lastAnswer = Convert.ToString(modulusResult);
counter++;
continue;
}
//x=5 pattern
else if (constantOperation.Success == true)
{
lastCommand = inputString;
char consLetter = char.Parse(constantOperation.Groups["constantLetter"].Value.ToLower());
double consNumber = int.Parse(constantOperation.Groups["constantNumber"].Value);
Constant consta = new Constant();
lastAnswer = consta.ConstantSetFunction(consLetter, consNumber);
counter++;
continue;
}
//x pattern
else if (constantGet.Success == true)
{
lastCommand = inputString;
char consLetter = char.Parse(constantGet.Groups["constLetter"].Value.ToLower());
Constant consGet = new Constant();
lastAnswer = consGet.ConstantGetFunction(consLetter);
counter++;
continue;
}
//x+1 pattern
else if (constOperation.Success == true)
{
lastCommand = inputString;
char consLetter = char.Parse(constOperation.Groups["const"].Value.ToLower());
string operation = constOperation.Groups["operation"].Value;
int number = int.Parse(constOperation.Groups["digit"].Value);
Constant constOper = new Constant();
lastAnswer = constOper.constOperationFunction(consLetter, operation, number);
counter++;
continue;
}
//1+x pattern
else if (numPlusLetterP.Success == true)
{
lastCommand = inputString;
char consLetter = char.Parse(numPlusLetterP.Groups["const"].Value.ToLower());
string operation = numPlusLetterP.Groups["operation"].Value;
int number = int.Parse(numPlusLetterP.Groups["digit"].Value);
Constant constOper = new Constant();
lastAnswer = constOper.constOperationFunction(consLetter, operation, number);
counter++;
continue;
}
//x+y pattern
else if (letterPlusLetterP.Success == true)
{
lastCommand = inputString;
char consLetter1 = char.Parse(letterPlusLetterP.Groups["const1"].Value.ToLower());
string operation = letterPlusLetterP.Groups["operation"].Value;
char consLetter2 = char.Parse(letterPlusLetterP.Groups["const2"].Value.ToLower());
Constant constOper = new Constant();
lastAnswer = constOper.constOperationFunction(consLetter1, operation, consLetter2);
counter++;
continue;
}
else
{
Console.WriteLine("Input Format should be '1+2','|-2|', 'x=1', 'x', 'x+1', '1+x', or 'x+y'");
counter++;
continue;
}
//3. catch error
}
Console.WriteLine("End");
//Console.ReadLine();
}
public void ConstantTestIfReturnsValueOfConstant()
{
Constant constant = new Constant();
constant.AddToConstants('x', 12);
constant.ChangeExpression("x");
Assert.AreEqual(12, constant.GetExpression());
}
public void ConstantEnsureICanRetrieveFromDictionary()
{
Constant constant = new Constant();
constant.AddConstant('x', 5);
Assert.AreEqual(5, constant.GetConstant('x'));
}
public void ConstantTestToMakeSureExceptionThrown()
{
Constant constant = new Constant();
Assert.AreEqual(5, constant.GetValueOf('x'));
}
