public void TestCacheStates()
{
var generator = getGuidsGenerator();
assertIsNotACachingState(CachingGenerator.GetCachingGeneratorState(generator));
var cachingGenerator = CachingGenerator.Create(generator);
var getCachingState = (Func <CachingGenerator.State>)(() => CachingGenerator.GetCachingGeneratorState(cachingGenerator));
assertIsEmptyCachingState(getCachingState());
var firstEnumerator = cachingGenerator.GetEnumerator();
var secondEnumerator = cachingGenerator.GetEnumerator();
firstEnumerator.MoveNext();
assertIsValidCachingState(1, getCachingState());
secondEnumerator.MoveNext();
assertIsValidCachingState(1, getCachingState());
firstEnumerator.MoveNext();
assertIsValidCachingState(2, getCachingState());
firstEnumerator.Reset();
assertIsValidCachingState(2, getCachingState());
}
public void SimultaneousIteration()
{
var generator = getGuidsGenerator();
var cachingGenerator = CachingGenerator.Create(generator);
var firstEnumerator = cachingGenerator.GetEnumerator();
var secondEnumerator = cachingGenerator.GetEnumerator();
List <Guid> lst1 = new List <Guid>();
List <Guid> lst2 = new List <Guid>();
firstEnumerator.MoveNext();
lst1.Add(firstEnumerator.Current);
firstEnumerator.MoveNext();
lst1.Add(firstEnumerator.Current);
secondEnumerator.MoveNext();
lst2.Add(secondEnumerator.Current);
firstEnumerator.MoveNext();
lst1.Add(firstEnumerator.Current);
secondEnumerator.MoveNext();
lst2.Add(secondEnumerator.Current);
secondEnumerator.MoveNext();
lst2.Add(secondEnumerator.Current);
CollectionAssert.AreEqual(lst1, lst2);
assertIsValidCachingState(3, CachingGenerator.GetCachingGeneratorState(cachingGenerator));
}
