public void ExecuteStep_NothingToExecute_Throws()
{
var sut = new ExecutionSnapshot <int>(new IInstruction <int> [0]);
var context = CreateContext(InstructionExecutionCounter.Default);
Assert.Throws <IllegalExecutionError>(
() => sut.ExecuteStep(context));
}
public void ExecuteStep_ExecutionLimitReached_Throws()
{
var sut = new ExecutionSnapshot <int>(new IInstruction <int> [0]);
var executionCounter = new InstructionExecutionCounter(5, 5);
var context = CreateContext(executionCounter);
Assert.Throws <ExecutionLimitReachedError>(
() => sut.ExecuteStep(context));
}
public void AfterProgramExecution_BoardIsAsExpected()
{
var startState = string.Join(null, _startState);
var currentState = _contextFactory.CreateInitialState(3, 3, startState, c => c);
var instructions = _instructionFactory.CreateInstructionStack(Program);
var snapshot = new ExecutionSnapshot <char>(instructions);
var expectedState = string.Join(null, _expected);
var expectedBoard = _contextFactory.CreateBoard(3, expectedState, EntryConverter);
var verifier = new BoardVerifier <char>(expectedBoard, EntryComparer);
while (!snapshot.ExecutionFinished(currentState))
{
snapshot.ExecuteStep(currentState);
}
var result = verifier.Verify(currentState.Board);
result.ShouldBeTrue();
}