public void CpySupportsRegisters()
{
var instructions = new string[] { "cpy 42 a", "cpy a b" };
var sut = new AdventOfCode2016.Day12.Day12(instructions);
var expected = 42;
sut.Run();
var actual = sut.RegisterB;
Assert.Equal(expected, actual);
}
public void JnzSupportsIntegers()
{
var instructions = new string[] { "jnz 1 2", "inc a", "inc a" };
var sut = new AdventOfCode2016.Day12.Day12(instructions);
var expected = 1;
sut.Run();
var actual = sut.RegisterA;
Assert.Equal(expected, actual);
}
public void JnzPerformsNegativeJump()
{
var instructions = new string[] { "cpy 2 a", "dec a", "inc b", "jnz a -2" };
var sut = new AdventOfCode2016.Day12.Day12(instructions);
var expected = 2;
sut.Run();
var actual = sut.RegisterB;
Assert.Equal(expected, actual);
}
public void DecDecreasesValueInRegister()
{
var instructions = new string[] { "cpy 43 a", "dec a" };
var sut = new AdventOfCode2016.Day12.Day12(instructions);
var expected = 42;
sut.Run();
var actual = sut.RegisterA;
Assert.Equal(expected, actual);
}
public void CpyCopiesValueToRegister()
{
var instructions = new string[] { "cpy 41 a" };
var sut = new AdventOfCode2016.Day12.Day12(instructions);
var expected = 41;
sut.Run();
var actual = sut.RegisterA;
Assert.Equal(expected, actual);
}
private static void Day12()
{
var lines = File.ReadAllLines(@"..\..\Day12\input.txt");
var d12 = new Day12.Day12(lines);
d12.Run();
Console.WriteLine($"{d12.RegisterA}");
d12.RegisterA = 0; d12.RegisterB = 0; d12.RegisterC = 1; d12.RegisterD = 0;
d12.Run();
Console.WriteLine($"{d12.RegisterA}");
}