public void Executing_Instruction_8xy6_WithVx_SetToVF_ThrowsException()
{
var cpu = new Cpu();
var decodedInstruction = new DecodedInstruction(0x8FB6);
var instruction = new Instruction_8xy6(decodedInstruction);
Assert.Throws <InvalidOperationException>(() => instruction.Execute(cpu, MockedDisplay, MockedKeyboard));
}
public void Executing_Instruction_8xy6_WorksAsExpected(byte vy, byte expectedResult, byte expectedVF)
{
var cpu = new Cpu();
var decodedInstruction = new DecodedInstruction(0x8AB6);
cpu.V[decodedInstruction.y] = vy;
var instruction = new Instruction_8xy6(decodedInstruction);
instruction.Execute(cpu, MockedDisplay, MockedKeyboard);
Assert.That(cpu.V[decodedInstruction.x], Is.EqualTo(expectedResult));
Assert.That(cpu.V[0xF], Is.EqualTo(expectedVF));
Assert.That(instruction.Mnemonic, Is.EqualTo($"SHR V{decodedInstruction.x:X}, V{decodedInstruction.y:X}"));
}