public void Encode_EncodesInstructionsCorrectly(InstructionType op, Int32? operand, UInt64 expected)
{
// Arrange
var encoder = new Encoder();
var instruction = new Instruction
{
Type = op,
Operand = operand.HasValue ? operand.Value : 0
};
// Act
var encodedInstruction = encoder.Encode(instruction);
// Assert
encodedInstruction.Should().Be(expected);
}
public void Encode_DoesIgnoresOperandForNonOperandInstructions(InstructionType op, Int32 operand, UInt64 expected)
{
// Arrange
var encoder = new Encoder();
var instruction = new Instruction
{
Type = op,
Operand = operand
};
// Act
var encodedInstruction = encoder.Encode(instruction);
// Assert
encodedInstruction.Should().Be(expected);
}
public void Encode_NullInstructionThrowsException()
{
// Arrange
var encoder = new Encoder();
Exception exception = null;
// Act
try
{
encoder.Encode(null);
}
catch(Exception e)
{
exception = e;
}
// Assert
exception.Should().NotBeNull();
exception.Should().BeOfType<ArgumentNullException>();
exception.As<ArgumentNullException>().ParamName.Should().Be("instruction");
}