public <T> void singleOccurence(Collection<T> collection, T item) {
int number = countOccurences(collection, item);
if (number != 1) {
enumerate(collection);
Assert.fail(myStringConvertion.convert(item) + "\n occured " + number + " times");
}
}
public void containsAll(Collection list, Collection subCollection) {
if (list.containsAll(subCollection)) return;
for (Object item : subCollection) {
boolean isContained = false;
for (Object superSetItem : list) {
if (myEquality.equals(superSetItem, item)) {
isContained = true;
break;
}
}
Assert.assertTrue(myStringConvertion.convert(item), isContained);
}
}
private String convertToString(Object object) {
if (object == null) return "null";
return myStringConvertion.convert(object);
}