public void PerlinNoiseReturns_Valid_Values()
{
Random random = new Random();
PerlinNoise perlin = new PerlinNoise();
for (int i = 0; i < 1000; i++)
{
float x = (float)(random.NextDouble() * 25);
float y = (float)(random.NextDouble() * 25);
float value = perlin.Create(x, y);
Assert.InRange(value, -1, 1);
}
}