public void ContainsSome()
{
Assert.IsTrue(FEnumerable.Range(0, 10).Contains(0));
Assert.IsTrue(FEnumerable.Range(0, 10).Contains(5));
Assert.IsTrue(FEnumerable.Range(0, 10).Contains(9));
Assert.IsFalse(FEnumerable.Range(0, 10).Contains(10));
}
public void Run()
{
int sum = 0;
FEnumerable.Range(0, 10).Run(x => sum += x);
Assert.AreEqual(45, sum);
}
public void Range()
{
var e = FEnumerable.Range(1, 3)();
Assert.IsTrue(e().Value == 1);
Assert.IsTrue(e().Value == 2);
Assert.IsTrue(e().Value == 3);
Assert.IsTrue(e() is Maybe <int> .None);
}
public void SkipWhile()
{
var res = FEnumerable.Range(0, 10).SkipWhile(n => n < 8);
for (int i = 0; i < 2; i++)
{
var e = res();
Assert.IsTrue(e().Value == 8);
Assert.IsTrue(e().Value == 9);
Assert.IsTrue(e() is Maybe <int> .None);
}
}
public void TakeWhile()
{
var res = FEnumerable.Range(0, 10).TakeWhile(n => n < 2);
for (int i = 0; i < 2; i++)
{
var e = res();
Assert.IsTrue(e().Value == 0);
Assert.IsTrue(e().Value == 1);
Assert.IsTrue(e() is Maybe <int> .None);
}
}
public void Reverse()
{
var res = FEnumerable.Range(0, 3).Reverse();
for (int i = 0; i < 2; i++)
{
var e = res();
Assert.IsTrue(e().Value == 2);
Assert.IsTrue(e().Value == 1);
Assert.IsTrue(e().Value == 0);
Assert.IsTrue(e() is Maybe <int> .None);
}
}
public void ElementAtSome()
{
int f = 0;
Assert.AreEqual(f, FEnumerable.Range(0, 10).ElementAt(f));
int n = 5;
Assert.AreEqual(n, FEnumerable.Range(0, 10).ElementAt(n));
int l = 9;
Assert.AreEqual(l, FEnumerable.Range(0, 10).ElementAt(l));
}
public void Where()
{
var res = FEnumerable.Range(0, 10).Where(n => n % 2 == 0);
for (int i = 0; i < 2; i++)
{
var e = res();
Assert.IsTrue(e().Value == 0);
Assert.IsTrue(e().Value == 2);
Assert.IsTrue(e().Value == 4);
Assert.IsTrue(e().Value == 6);
Assert.IsTrue(e().Value == 8);
Assert.IsTrue(e() is Maybe <int> .None);
}
}
public void Select()
{
var res = FEnumerable.Range(0, 5).Select(n => n + 1);
for (int i = 0; i < 2; i++)
{
var e = res();
Assert.IsTrue(e().Value == 1);
Assert.IsTrue(e().Value == 2);
Assert.IsTrue(e().Value == 3);
Assert.IsTrue(e().Value == 4);
Assert.IsTrue(e().Value == 5);
Assert.IsTrue(e() is Maybe <int> .None);
}
}
public void Concat()
{
var src = FEnumerable.Ana(1, i => i <= 3, i => i + 1, i => FEnumerable.Range(0, i));
var res = src.Concat();
for (int i = 0; i < 2; i++)
{
var e = res();
Assert.IsTrue(e().Value == 0);
Assert.IsTrue(e().Value == 0);
Assert.IsTrue(e().Value == 1);
Assert.IsTrue(e().Value == 0);
Assert.IsTrue(e().Value == 1);
Assert.IsTrue(e().Value == 2);
Assert.IsTrue(e() is Maybe <int> .None);
}
}
public void ElementAtOrDefaultSome()
{
int f = 0;
Assert.AreEqual(f, FEnumerable.Range(0, 10).ElementAtOrDefault(f));
int n = 5;
Assert.AreEqual(n, FEnumerable.Range(0, 10).ElementAtOrDefault(n));
int l = 9;
Assert.AreEqual(l, FEnumerable.Range(0, 10).ElementAtOrDefault(l));
int o = 10;
Assert.AreEqual(default(int), FEnumerable.Range(0, 10).ElementAtOrDefault(o));
}
public void Aggregate2()
{
Assert.AreEqual(90, FEnumerable.Range(0, 10).Aggregate(0, (sum, i) => sum + i, sum => sum * 2));
}
public void SingleSomePredicateTrueMultiple()
{
FEnumerable.Range(0, 5).Single(n => n < 5);
}
public void SingleSomePredicateNeverTrue()
{
FEnumerable.Range(0, 5).Single(n => n > 5);
}
public void SingleSomePredicate()
{
Assert.AreEqual(3, FEnumerable.Range(0, 5).Single(n => n == 3));
}
public void LastSomePredicateNeverTrue()
{
FEnumerable.Range(0, 5).Last(n => n > 5);
}
public void LastSomePredicate()
{
int lst = 5;
Assert.AreEqual(3, FEnumerable.Range(0, lst + 1).Last(n => n <= 3));
}
public void LastSome()
{
int lst = 5;
Assert.AreEqual(lst, FEnumerable.Range(0, lst + 1).Last());
}
public void FirstSomePredicate()
{
int fst = 0;
Assert.AreEqual(3, FEnumerable.Range(fst, 5).First(n => n > 2));
}
public void ToArray()
{
var res = FEnumerable.Range(0, 10).ToArray();
Assert.IsTrue(System.Linq.Enumerable.SequenceEqual(res, System.Linq.Enumerable.Range(0, 10)));
}
public void SumSomeProjected()
{
Assert.AreEqual(55, FEnumerable.Range(0, 10).Sum(x => x + 1));
}
public void SumSome()
{
Assert.AreEqual(45, FEnumerable.Range(0, 10).Sum());
}
public void AnySome()
{
Assert.IsTrue(FEnumerable.Range(0, 10).Any(x => x < 10));
Assert.IsFalse(FEnumerable.Range(0, 10).Any(x => x > 10));
Assert.IsTrue(FEnumerable.Range(0, 10).Any(x => x == 5));
}
public void AverageSome()
{
Assert.AreEqual(4.5, FEnumerable.Range(0, 10).Average());
}
public void RangeOutOfRange()
{
FEnumerable.Range(0, -1);
}
public void Aggregate1()
{
Assert.AreEqual(45, FEnumerable.Range(0, 10).Aggregate(0, (sum, i) => sum + i));
}
public void AverageSomeProjected()
{
Assert.AreEqual(5.5, FEnumerable.Range(0, 10).Average(x => x + 1));
}
public void LongCountFew()
{
int n = 10;
Assert.AreEqual(n, FEnumerable.Range(0, n).LongCount());
}
public void FirstSome()
{
int fst = 0;
Assert.AreEqual(fst, FEnumerable.Range(fst, 5).First());
}
