public void AssembleInstruction_Returns_Single_Line()
{
// arrange
var instruction = new ComputeInstruction(ComputeDestinationType.None, "D+1", ComputeJumpType.None);
var computeBitsAssembler = Substitute.For <IHackComputeBitsAssembler>();
computeBitsAssembler.AssembleComputeBits(Arg.Any <string>()).Returns("0000000");
var assembler = new HackComputeInstructionAssembler(computeBitsAssembler);
// act
string[] result = assembler.AssembleInstruction(instruction);
// assert
Assert.AreEqual(1, result.Length);
}
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_16_Bit_Line()
{
// arrange
var instruction = new ComputeInstruction(ComputeDestinationType.None, "D+1", ComputeJumpType.None);
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(16, line.Length);
}
public void AssembleInstruction_Returns_Correct_Dest_Bits(ComputeDestinationType destinationType, string expected)
{
// arrange
var instruction = new ComputeInstruction(destinationType, "D&A", ComputeJumpType.None);
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_Line_Starts_With_Three_Digits()
{
// arrange
var instruction = new ComputeInstruction(ComputeDestinationType.None, "D+1", ComputeJumpType.None);
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("111", line.Substring(0, 3));
}
public void AssembleInstruction_Returns_Line_Starts_With_Three_Digits()
{
// arrange
var instruction = new ComputeInstruction(ComputeDestinationType.None, "D+1", ComputeJumpType.None);
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("111", line.Substring(0, 3));
}
