public void TestToString() { var inc = new Incrementor(0, 10); inc.ToString().Should().Be("0"); for (int i = 1; i <= 10; i++) { inc = inc.IncrementValue(); inc.ToString().Should().Be(i.ToString()); } }
public void TestLongCombined() { int incrementorCount = _random.Next(3, 10); Incrementor[] incrementors = Enumerable.Range(1, incrementorCount).Select(i => CreateRandomIncrementor()).ToArray(); Incrementor combined = Incrementor.CreateCombined(incrementors); int count = 0; while (combined.CanIncrement) { count++; combined = combined.IncrementValue(); } int expectedPossibilities = (incrementors.Select(i => i.Maximum).Aggregate(1, (a, i) => a * (i + 1)) - 1); count.Should().Be(expectedPossibilities); string expectedFinalString = string.Join("", incrementors.Select(i => i.Maximum.ToString())); combined.ToString().Should().Be(expectedFinalString); }