public void LimitTest()
{
IdProvider provider = new IdProvider(0, 1, 5);
Assert.AreEqual(0, provider.Next());
Assert.AreEqual(1, provider.Next());
Assert.AreEqual(2, provider.Next());
Assert.AreEqual(3, provider.Next());
Assert.AreEqual(4, provider.Next());
Assert.AreEqual(5, provider.Next());
Assert.Throws <ArgumentOutOfRangeException>(() => provider.Next());
provider.Remove(2);
provider.Remove(3);
Assert.DoesNotThrow(() => _ = provider.Next());
Assert.DoesNotThrow(() => _ = provider.Next());
Assert.Throws <ArgumentOutOfRangeException>(() => provider.Next());
}
public void IncrementTest()
{
IdProvider provider = new IdProvider(0, 5);
Assert.AreEqual(0, provider.Next());
Assert.AreEqual(5, provider.Next());
Assert.AreEqual(10, provider.Next());
Assert.AreEqual(15, provider.Next());
Assert.AreEqual(20, provider.Next());
// should do nothing
provider.Remove(1);
Assert.AreEqual(25, provider.Next());
Assert.AreEqual(30, provider.Next());
provider.Remove(5);
provider.Remove(25);
Assert.AreEqual(5, provider.Next());
Assert.AreEqual(25, provider.Next());
Assert.AreEqual(35, provider.Next());
Assert.AreEqual(40, provider.Next());
}
public void SimpleNextRemoveTest()
{
IdProvider provider = new IdProvider(0);
Assert.AreEqual(0, provider.Next());
Assert.AreEqual(1, provider.Next());
Assert.AreEqual(2, provider.Next());
Assert.AreEqual(3, provider.Next());
Assert.AreEqual(4, provider.Next());
provider.Remove(1);
provider.Remove(3);
Assert.AreEqual(1, provider.Next());
Assert.AreEqual(3, provider.Next());
Assert.AreEqual(5, provider.Next());
Assert.AreEqual(6, provider.Next());
Assert.AreEqual(7, provider.Next());
provider.Remove(5);
provider.Remove(7);
Assert.AreEqual(5, provider.Next());
Assert.AreEqual(7, provider.Next());
Assert.AreEqual(8, provider.Next());
Assert.AreEqual(9, provider.Next());
Assert.AreEqual(10, provider.Next());
}