public void ParseInstruction_Returns_Correct_Jump_When_Jump_Is_Specified(string input, ComputeJumpType expected)
{
// arrange
var parser = new ComputeJumpParser();
// act
ComputeJumpType result = parser.ParseComputeJump(input);
// assert
Assert.AreEqual(expected, result);
}
public void ParseInstruction_Returns_Correct_Jump_When_Jump_Is_Specified(string input, ComputeJumpType expected)
{
// arrange
var parser = new ComputeJumpParser();
// act
ComputeJumpType result = parser.ParseComputeJump(input);
// assert
Assert.AreEqual(expected, result);
}
public void ParseInstruction_Returns_None_When_Jump_Is_Empty()
{
// arrange
string input = string.Empty;
var parser = new ComputeJumpParser();
// act
ComputeJumpType result = parser.ParseComputeJump(input);
// assert
Assert.AreEqual(ComputeJumpType.None, result);
}
public void AssembleInstruction_Returns_Correct_Jump_Bits(ComputeJumpType jumpType, string expected)
{
// arrange
var instruction = new ComputeInstruction(ComputeDestinationType.None, "D&A", jumpType);
var computeBitsAssembler = Substitute.For<IHackComputeBitsAssembler>();
computeBitsAssembler.AssembleComputeBits(Arg.Any<string>()).Returns("0000000");
var assembler = new HackComputeInstructionAssembler(computeBitsAssembler);
// act
string[] result = assembler.AssembleInstruction(instruction);
string line = result[0];
// assert
Assert.AreEqual(expected, line);
}
public void AssembleInstruction_Returns_Correct_Jump_Bits(ComputeJumpType jumpType, string expected)
{
// arrange
var instruction = new ComputeInstruction(ComputeDestinationType.None, "D&A", jumpType);
var computeBitsAssembler = Substitute.For <IHackComputeBitsAssembler>();
computeBitsAssembler.AssembleComputeBits(Arg.Any <string>()).Returns("0000000");
var assembler = new HackComputeInstructionAssembler(computeBitsAssembler);
// act
string[] result = assembler.AssembleInstruction(instruction);
string line = result[0];
// assert
Assert.AreEqual(expected, line);
}
public ComputeInstruction(ComputeDestinationType destinationType, string computation, ComputeJumpType jumpType = ComputeJumpType.None)
{
_destinationType = destinationType;
_computation = computation;
_jumpType = jumpType;
}
