public static void A_ChangeOfFieldWithValueTypeForComplexReferenceTypePassedByReferenceIsTakeEffectInCaller()
{
var sourceTrainee = new TraineeReferenceType("Kate", 2);
var expectedTrainee = new TraineeReferenceType("Kate", 2);
Trace.TraceInformation(
$"Create a variable of a complex reference type. Type: TraineeReferenceType, value = '{sourceTrainee}'.");
Trace.TraceInformation("Pass it to the method, which increment property 'Assessment' (value type - int).");
var changedTrainer = TypesChanger.IncrementAssessmentOfTrainee(sourceTrainee);
Trace.TraceInformation("Expected, that the value in the caller is incremented in the same way " +
"as the value in the method, which was called." +
"It occurs because an object of a reference type is passed by reference and " +
"the called method did operate on the same object, which is declared in the caller.");
Trace.TraceInformation(
$"Compare the source assessment with expected (Assessment of a source trainee should be greater): source = '{sourceTrainee.Assessment}'; expected = '{expectedTrainee.Assessment}'.");
sourceTrainee.Assessment
.Should()
.BeGreaterThan(expectedTrainee.Assessment);
Trace.TraceInformation(
"Compare changed assessment with the original (The changed value should be the same): " +
$"changed = '{changedTrainer.Assessment}'; original = '{sourceTrainee.Assessment}'.");
changedTrainer.Assessment
.Should()
.Be(sourceTrainee.Assessment);
}
public static TraineeReferenceType IncrementAssessmentOfTrainee(TraineeReferenceType trainee)
{
trainee.Assessment++;
return(trainee);
}
