public void TailRecursivePatternReturnsResultTest3(int expected)
{
//expected = Math.Max(0,input), since we add 1 at each iteration. This is only to test against a stack overflow
var p = Pattern
.Match(((int n, int sum)x) => x.n <= 0, x => x.sum)
.MatchTailRec(x => x.n >= 1, x => (x.n - 1, (1 + x.sum)));
var task = Task.Run(() => p.Run((expected, 0)));
bool isCompleted = Task.WaitAll(new[] { task }, 30000);
if (!isCompleted)
{
throw new TimeoutException();
}
Assert.Equal(expected, task.Result);
}
public void TailRecursivePatternReturnsResultTest2(long expected, int input)
{
//Factorial
var p = Pattern
.Match(((int n, long sum)x) => x.n <= 1, x => x.sum)
.MatchTailRec(x => x.n > 1, x => (x.n - 1, (x.n * x.sum)));
var task = Task.Run(() => p.Run((input, 1)));
bool isCompleted = Task.WaitAll(new[] { task }, 30000);
if (!isCompleted)
{
throw new TimeoutException();
}
Assert.Equal(expected, task.Result);
}