Update tests/Neo.Extensions.Tests/UT_BigIntegerExtensions.cs

Co-authored-by: Alvaro <[email protected]>

Author: shargon

tests/Neo.Extensions.Tests/UT_BigIntegerExtensions.cs

@@ -20,6 +20,14 @@ namespace Neo.Extensions.Tests
     [TestClass]
     public class UT_BigIntegerExtensions
     {
+        [TestMethod]
+        public void CeilingDivide_NegativeNumerator()
+        {
+            var numerator = new BigInteger(-7);
+            var denominator = new BigInteger(3);
+            var result = BigIntegerExtensions.CeilingDivide(numerator, denominator);
+            Assert.AreEqual(-2, result);
+        }    
         [TestMethod]
         public void CeilingDivide_DividesExactly()
         {