public void ExecuteInstruction_AddThenMultiply()
{
// Arrange
var program = "1,1,1,4,99,5,6,0,99";
var intcode = new Intcode.Interpreter(program);
// Act & Assert
intcode.ExecuteInstruction();
Assert.AreEqual("1,1,1,4,2,5,6,0,99", intcode.GenerateProgramString());
intcode.ExecuteInstruction();
Assert.AreEqual("30,1,1,4,2,5,6,0,99", intcode.GenerateProgramString());
}
public void ExecuteInstruction_InputThenOutput()
{
// Arrange
var program = "3,0,4,0,99";
var intcode = new Intcode.Interpreter(program);
var input = 13;
// Act & Assert
intcode.SetInput(input);
intcode.ExecuteInstruction();
Assert.AreEqual("13,0,4,0,99", intcode.GenerateProgramString());
intcode.ExecuteInstruction();
Assert.AreEqual(input, intcode.GetOutput());
}
public void ExecuteInstruction_Multiply2()
{
// Arrange
var program = "2,4,4,5,99,0";
var result = "2,4,4,5,99,9801";
var intcode = new Intcode.Interpreter(program);
// Act
intcode.ExecuteInstruction();
// Assert
Assert.AreEqual(result, intcode.GenerateProgramString());
}
public void ExecuteInstruction_Add_ImmediateMode_NegativeNumber()
{
// Arrange
var program = "1101,100,-1,4,0";
var result = "1101,100,-1,4,99";
var intcode = new Intcode.Interpreter(program);
// Act
intcode.ExecuteInstruction();
// Assert
Assert.AreEqual(result, intcode.GenerateProgramString());
}
public void ExecuteInstruction_Add_ImmediateMode()
{
// Arrange
var program = "1001,4,3,4,33";
var result = "1001,4,3,4,36";
var intcode = new Intcode.Interpreter(program);
// Act
intcode.ExecuteInstruction();
// Assert
Assert.AreEqual(result, intcode.GenerateProgramString());
}
public void ExecuteInstruction_Add()
{
// Arrange
var program = "1,0,0,0,99";
var result = "2,0,0,0,99";
var intcode = new Intcode.Interpreter(program);
// Act
intcode.ExecuteInstruction();
// Assert
Assert.AreEqual(result, intcode.GenerateProgramString());
}
public void ExecuteInstruction_LessThan_ImmediateMode()
{
// Arrange
var islessthan = "1107,66,77,5,99,-1";
var expected = "1107,66,77,5,99,1";
var intcode = new Intcode.Interpreter(islessthan);
// Act & Assert
intcode.ExecuteInstruction();
Assert.AreEqual(expected, intcode.GenerateProgramString());
// Arrange
var notlessthan = "1107,66,66,5,99,-1";
expected = "1107,66,66,5,99,0";
intcode = new Intcode.Interpreter(notlessthan);
// Act & Assert
intcode.ExecuteInstruction();
Assert.AreEqual(expected, intcode.GenerateProgramString());
}
public void ExecuteInstruction_Equals_PositionMode()
{
// Arrange
var isequal = "8,5,6,7,99,66,66,-1";
var expected = "8,5,6,7,99,66,66,1";
var intcode = new Intcode.Interpreter(isequal);
// Act && Assert
intcode.ExecuteInstruction();
Assert.AreEqual(expected, intcode.GenerateProgramString());
// Arrange
var notequal = "8,5,6,7,99,66,77,-1";
expected = "8,5,6,7,99,66,77,0";
intcode = new Intcode.Interpreter(notequal);
// Act && Assert
intcode.ExecuteInstruction();
Assert.AreEqual(expected, intcode.GenerateProgramString());
}
