public static MinimumWithMetrics <T> MinimumWithMetrics <T>(
this IGenAdvanced <T> advanced,
int iterations = 100,
int?seed = null,
int?size = null,
bool deepMinimum = false,
Func <T, bool>?pred = null)
{
pred ??= (_) => true;
var property = advanced.AsGen().ForAll(x =>
{
var result = pred(x);
return(result == false);
});
var result = property.Check(iterations: iterations, seed: seed, size: size, deepCheck: deepMinimum);
if (result.Falsified)
{
return(new MinimumWithMetrics <T>(result.Counterexample !.Value, result.Shrinks));
}
throw new Exceptions.NoMinimalFoundException();
}
internal static SampleWithMetricsResult <IExampleSpace <T> > RunExampleSpaceSample <T>(
IGenAdvanced <T> advanced,
int?iterations,
int?seed,
int?size)
{
var property = advanced.AsGen().ForAll(_ => true);
var checkResult = property.Check(iterations: iterations, seed: seed, size: size, deepCheck: false);
var values = checkResult.Checks
.Select(check => check.ExampleSpace)
.ToList();
return(new SampleWithMetricsResult <IExampleSpace <T> >(
values,
checkResult.Discards,
checkResult.RandomnessConsumption));
}
internal static SampleWithMetricsResult <object?[]> RunPresentationalValueSample <T>(
IGenAdvanced <Test <T> > advanced,
int?iterations,
int?seed,
int?size)
{
var property = advanced
.AsGen()
.Where(TestMeetsPrecondition)
.Select(MuteTestFailure);
var checkResult = property.Check(iterations: iterations, seed: seed, size: size);
var values = checkResult.Checks
.Select(check => check.PresentationalValue)
.ToList();
return(new SampleWithMetricsResult <object?[]>(
values,
checkResult.Discards,
checkResult.RandomnessConsumption));
}