public void Test_Equals_No_Rhs()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(3);
calculator.OperationEntered("+");
string result = calculator.OperationEntered("=");
Assert.AreEqual("6", result);
}
public void Test_Plus_Minus_Sets_Rhs()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(4.0);
calculator.OperationEntered("+");
calculator.OperationEntered("plus_minus");
string result = calculator.OperationEntered("=");
Assert.AreEqual("0", result);
}
public void Test_Square_Root_Sets_Rhs()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(4.0);
calculator.OperationEntered("+");
calculator.OperationEntered("square_root");
string result = calculator.OperationEntered("=");
Assert.AreEqual("6", result);
}
public void Test_Rhs_Plus_Minus()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(10.04);
calculator.OperationEntered("/");
calculator.NumberEntered(4.0);
string result = calculator.OperationEntered("plus_minus");
Assert.AreEqual("-4", result);
}
public void Test_Reciprocal_Sets_Rhs()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(4.0);
calculator.OperationEntered("+");
calculator.OperationEntered("reciprocal");
string result = calculator.OperationEntered("=");
Assert.AreEqual("4.25", result);
}
public void Test_Rhs_Square_Root()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(10.04);
calculator.OperationEntered("/");
calculator.NumberEntered(4.0);
string result = calculator.OperationEntered("squaRE_root");
Assert.AreEqual("2", result);
}
public void Test_Calculator_Division()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(10.04);
calculator.OperationEntered("/");
calculator.NumberEntered(4.0);
string result = calculator.OperationEntered("=");
Assert.AreEqual("2.51", result);
}
public void Test_Calculator_Multiplication()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(2.51);
calculator.OperationEntered("*");
calculator.NumberEntered(4.0);
string result = calculator.OperationEntered("=");
Assert.AreEqual("10.04", result);
}
public void Test_Calculator_Subtraction()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(3.3);
calculator.OperationEntered("-");
calculator.NumberEntered(2.2);
string result = calculator.OperationEntered("=");
Assert.AreEqual("1.1", result);
}
public void Test_Calculator_Addition()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(1.1);
calculator.OperationEntered("+");
calculator.NumberEntered(2.1);
string result = calculator.OperationEntered("=");
Assert.AreEqual("3.2", result);
}
public void Test_Add_Reciprocal()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(1.76);
calculator.OperationEntered("+");
calculator.NumberEntered(4.0);
calculator.OperationEntered("reciprocal");
string result = calculator.OperationEntered("=");
Assert.AreEqual("2.01", result);
}
public void Test_Calculator_Change_Operator()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(10.04);
calculator.OperationEntered("/");
calculator.OperationEntered("*");
calculator.NumberEntered(4.0);
string result = calculator.OperationEntered("=");
Assert.AreEqual("40.16", result);
}
public void Test_Repeat_Equals()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(1.0);
calculator.OperationEntered("+");
calculator.NumberEntered(4.0);
calculator.OperationEntered("=");
string result = calculator.OperationEntered("=");
Assert.AreEqual("9", result);
}
public void Test_OperationEntered_binary()
{
string operation = "+";
Logic.Calculator calculator = new Logic.Calculator();
string result = calculator.OperationEntered(operation);
Assert.AreEqual("+", result);
}
public void Test_OperationEntered_unary()
{
string operation = "reciprocal";
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(4);
string result = calculator.OperationEntered(operation);
Assert.AreEqual("0.25", result);
}
public void Test_Reciprocal_After_Equals()
{
Logic.Calculator calculator = new Logic.Calculator();
calculator.NumberEntered(1.0);
calculator.OperationEntered("+");
calculator.NumberEntered(3.0);
calculator.OperationEntered("=");
calculator.OperationEntered("=");
calculator.OperationEntered("=");
calculator.OperationEntered("=");
calculator.OperationEntered("=");
string result = calculator.OperationEntered("reciprocal");
Assert.AreEqual("0.0625", result);
}