public void Give_immediately_below_instruction_index_after_execution(
int currentInstructionIndex,
int expectedNextInstructionIndex)
{
// Given
var programContext = new ProgramContext(0, currentInstructionIndex);
var instruction = new AccumulatorInstruction(0);
// When
var executionResult = instruction.Execute(programContext);
var actualNextInstructionIndex = executionResult.NextInstructionIndex;
// Then
Assert.Equal(expectedNextInstructionIndex, actualNextInstructionIndex);
}
public void Increase_or_decrease_accumulator_by_argument_value(
int initialAccumulatorValue,
int instructionArgument,
int expectedAccumulatorValue)
{
// Given
var programContext = new ProgramContext(initialAccumulatorValue, 0);
var instruction = new AccumulatorInstruction(instructionArgument);
// When
var executionResult = instruction.Execute(programContext);
var actualAccumulatorValue = executionResult.AccumulatorValue;
// Then
Assert.Equal(expectedAccumulatorValue, actualAccumulatorValue);
}