thenAnswerWithProvidedCallback method

void thenAnswerWithProvidedCallback()

Implementation

void thenAnswerWithProvidedCallback() => thenAnswer((i) {
  final callback = i.positionalArguments.singleOrNull;

  // ignore: no-empty-block, it needs to be empty, prefer-typedefs-for-callbacks, private API
  return Stream.fromIterable(<T>[]).listen(callback != null ? callback as void Function(T value) : (_) {});
});