containsValue method

void containsValue(
  1. V value
)

Expects that the map contains value according to Map.containsValue.

Implementation

void containsValue(V value) {
  context.expect(() => prefixFirst('contains value ', literal(value)),
      (actual) {
    if (actual.containsValue(value)) return null;
    return Rejection(
        which: prefixFirst('does not contain value ', literal(value)));
  });
}