public void GroupByWithElementAndResultSelectorSourceArgumentNull() { Assert.Throws <ArgumentNullException>(() => NullData.GroupBy(k => k, e => e, (k, c) => k)).WithParameter("source"); }
public void GroupByWithElementSelectorComparerSourceArgumentNull() { Assert.Throws <ArgumentNullException>(() => NullData.GroupBy(k => k, e => e, EqualityComparer <object> .Default)).WithParameter("source"); }
public void GroupBySourceArgumentNull() { Assert.Throws <ArgumentNullException>(() => NullData.GroupBy(x => x)).WithParameter("source"); }