public void decrement_register()
{
var register = Any.Register();
var initialRegisterValue = Any.RegisterValue();
var computer = new MockComputerBuilder().
WithDefaultRegisterValue(register, initialRegisterValue)
.Build();
var instruction = new DecrementInstruction(register);
instruction.Execute(computer);
Assert.AreEqual(initialRegisterValue - 1, computer[register]);
}
public void execute_all_with_jump()
{
var instructions = new IInstruction[6];
instructions[0] = new CopyValueToRegisterInstruction('a', 41);
instructions[1] = new IncrementInstruction('a');
instructions[2] = new IncrementInstruction('a');
instructions[3] = new DecrementInstruction('a');
instructions[4] = new JumpInstruction('a', 2);
instructions[5] = new DecrementInstruction('a');
var computer = new MockComputerBuilder()
.WithInstructions(instructions)
.Build();
computer.ExecuteAll();
Assert.AreEqual(42, computer['a']);
}
public void EmitDecrement(Type type)
{
Emit(DecrementInstruction.Create(type));
}
