feat: solve part 2

2023-12-09 21:15:42 -06:00
parent 8727f9e469
commit 160abd3d2e
2 changed files with 32 additions and 5 deletions
@@ -23,8 +23,25 @@ public class ValueHistoryTests
    new ValueHistory(values).CalculateNextValue().Should().Be(expected);
  }

+  [Theory]
+  [MemberData(nameof(TestData.CalculateNextValueTestDataBackwards), MemberType = typeof(TestData))]
+  public void CalculateNextValue_GivenAListOfValuesAndBackwardsIsTrue_ItShouldReturnTheNextValue(List<long> values, long expected)
+  {
+    new ValueHistory(values).CalculateNextValue(true).Should().Be(expected);
+  }
+
  public static class TestData
  {
+    public static IEnumerable<object[]> CalculateNextValueTestDataBackwards =>
+      new List<object[]>
+      {
+        new object[]
+        {
+          new List<long> { 10, 13, 16, 21, 30, 45 },
+          5,
+        }
+      };
+
    public static IEnumerable<object[]> CalculateNextValueTestData =>
      new List<object[]>
      {