public void Program_with_no_exit_instruction()
{
var instructions = new[] { 1, 0, 0, 0 };
var computer = new IntcodeComputerBuilder().Build();
Assert.Throws <IndexOutOfRangeException>(() => computer.Run(instructions));
}
public int Less_than_ByLocation(int x, int y)
{
var instructions = new[] { 7, 5, 6, 7, 99, x, y };
var computer = new IntcodeComputerBuilder().Build();
computer.Run(instructions);
return(computer.Memory.GetValueImmediate(7));
}
public int Jump_if_false(int[] instructions)
{
var output = new QueuedOutputReceiverBuilder().Build();
var computer = new IntcodeComputerBuilder().WithOutputReceiver(output).Build();
computer.Run(instructions);
return(output.Dequeue());
}
public void Simple_multiplication()
{
var instructions = new[] { 2, 0, 0, 0, 99 };
var computer = new IntcodeComputerBuilder().Build();
computer.Run(instructions);
Assert.AreEqual(4, computer.Memory.GetValueImmediate(0));
}
public void Simple_addition_using_parameter_modes()
{
var instructions = new[] { 1101, 100, -1, 4, 0 };
var computer = new IntcodeComputerBuilder().Build();
computer.Run(instructions);
Assert.AreEqual(99, computer.Memory.GetValueImmediate(4));
}
public void Multiple_instructions()
{
var instructions = new[] { 1, 1, 1, 4, 99, 5, 6, 0, 99 };
var computer = new IntcodeComputerBuilder().Build();
computer.Run(instructions);
Assert.AreEqual(30, computer.Memory.GetValueImmediate(0));
}
public int Equals_immediate(int x, int y)
{
var instructions = new[] { 1108, x, y, 7, 99 };
var computer = new IntcodeComputerBuilder().Build();
computer.Run(instructions);
return(computer.Memory.GetValueImmediate(7));
}
public int Jump_tests_examples(int[] instructions, int input)
{
var outputReceiver = new QueuedOutputReceiverBuilder().Build();
var inputSender = new QueuedInputSenderBuilder().WithQueuedValues(input).Build();
var computer = new IntcodeComputerBuilder().WithOutputReceiver(outputReceiver).WithInputSender(inputSender).Build();
computer.Run(instructions);
return(outputReceiver.Dequeue());
}
public int Takes_input_and_saves_at_correct_location(int input, int location)
{
var inputSender = new QueuedInputSenderBuilder().Build();
inputSender.Enqueue(input);
var computer = new IntcodeComputerBuilder().WithInputSender(inputSender).Build();
computer.Run(new[] { 3, location, 99 }); // Take an input and put the value at position 0
return(computer.Memory.GetValueImmediate(location));
}
public int Returns_output_defined_by_program(int location)
{
IOutputReceiver outputReceiver = new QueuedOutputReceiverBuilder().Build();
var computer = new IntcodeComputerBuilder().WithOutputReceiver(outputReceiver).Build();
computer.Run(new[] { 4, location, 99, 50, 60 });
var result = outputReceiver.Dequeue();
Assert.IsTrue(outputReceiver.IsEmpty());
return(result);
}
public void Puzzle5_day2_answer()
{
var code = File.ReadLines("C:\\Code\\github\\AdventOfCode2019\\Puzzle5\\input.txt").First();
var interpreter = new InterpreterBuilder().Build();
var instructions = interpreter.Interpret(code);
var inputSender = new QueuedInputSenderBuilder().Build();
var outputReceiver = new QueuedOutputReceiverBuilder().ThatIgnoresZeros().Build();
var computer = new IntcodeComputerBuilder().WithInputSender(inputSender).WithOutputReceiver(outputReceiver).Build();
inputSender.Enqueue(5);
computer.Run(instructions);
Assert.AreEqual(9217546, outputReceiver.Dequeue());
}
public void Puzzle5_day1_answer()
{
var code = File.ReadLines(@"C:\Users\Neil\Documents\GitHub\AdventOfCode2019\Puzzle5\input.txt").First();
var interpreter = new InterpreterBuilder().Build();
var instructions = interpreter.Interpret(code);
var inputSender = new QueuedInputSenderBuilder().Build();
var outputReceiver = new QueuedOutputReceiverBuilder().ThatIgnoresZeros().Build();
var computer = new IntcodeComputerBuilder().WithInputSender(inputSender).WithOutputReceiver(outputReceiver).Build();
inputSender.Enqueue(1);
computer.Run(instructions);
Assert.AreEqual(6761139, outputReceiver.Dequeue());
}
public void Puzzle2_day2_answer()
{
var code = File.ReadLines("C:\\Code\\github\\AdventOfCode2019\\Puzzle2\\input.txt").First();
var interpreter = new InterpreterBuilder().Build();
var instructions = interpreter.Interpret(code);
instructions[1] = 53;
instructions[2] = 98;
var computer = new IntcodeComputerBuilder().Build();
computer.Run(instructions);
Assert.AreEqual(19690720, computer.Memory.GetValueImmediate(0));
}
public void Puzzle2_day1_answer()
{
var code = File.ReadLines(".\\Puzzle2.txt").First();
var interpreter = new InterpreterBuilder().Build();
var instructions = interpreter.Interpret(code);
instructions[1] = 12;
instructions[2] = 2;
var computer = new IntcodeComputerBuilder().Build();
computer.Run(instructions);
Assert.AreEqual(4576384, computer.Memory.GetValueImmediate(0));
}
public int Outputs_whatever_was_input(int[] instructions, int input)
{
var inputSender = new QueuedInputSenderBuilder().Build();
inputSender.Enqueue(input);
var outputReceiver = new QueuedOutputReceiverBuilder().Build();
var computer =
new IntcodeComputerBuilder()
.WithInputSender(inputSender)
.WithOutputReceiver(outputReceiver)
.Build();
computer.Run(instructions);
var result = outputReceiver.Dequeue();
Assert.IsTrue(outputReceiver.IsEmpty());
return(result);
}
public void Invalid_opcode_shouldthrow(int[] instructions)
{
var computer = new IntcodeComputerBuilder().Build();
Assert.Throws <InvalidOperationException>(() => computer.Run(instructions));
}