Added Math::Mod method

Test/Math__Mod.cpp

@@ -0,0 +1,83 @@
+#include "CppUnitTest.h"
+#include "../Eule/Math.h"
+#include <stdexcept>
+
+using namespace Microsoft::VisualStudio::CppUnitTestFramework;
+using namespace Eule;
+
+/** Equivalence classes:
+* a -> numerator
+* b -> denominator
+*		-- a > 0 && b > 0
+*		-- a < 0 && b > 0
+*		-- a > 0 && b < 0
+*		-- a < 0 && b < 0
+* 
+*		-- a > 0 && b = 0
+*		-- a = 0 && b > 0
+* *		-- a < 0 && b = 0
+*		-- a = 0 && b < 0
+*		-- a = 0 && b = 0
+*/
+
+namespace _Math
+{
+	TEST_CLASS(_Mod)
+	{
+	public:
+		// a > 0 && b > 0
+		TEST_METHOD(a_gt_0_and_b_gt_0)
+		{
+			Assert::AreEqual(7, Math::Mod(199, 32));
+			return;
+		}
+
+		// a < 0 && b > 0
+		TEST_METHOD(a_lt_0_and_b_gt_0)
+		{
+			Assert::AreEqual(25, Math::Mod(-199, 32));
+			return;
+		}
+
+		// a > 0 && b < 0
+		TEST_METHOD(a_gt_0_and_b_lt_0)
+		{
+			Assert::AreEqual(-25, Math::Mod(199, -32));
+			return;
+		}
+
+		// a > 0 && b = 0
+		TEST_METHOD(a_gt_0_and_b_eq_0)
+		{
+			// Exppect divide-by-zero
+			Assert::ExpectException<std::logic_error&>([]() {
+				Assert::AreEqual(0, Math::Mod(199, 0));
+			});
+			return;
+		}
+
+		// a = 0 && b > 0
+		TEST_METHOD(a_eq_0_and_b_gt_0)
+		{
+			Assert::AreEqual(0, Math::Mod(0, 32));
+			return;
+		}
+
+		// a < 0 && b = 0
+		TEST_METHOD(a_lt_0_and_b_eq_0)
+		{
+			// Exppect divide-by-zero
+			Assert::ExpectException<std::logic_error&>([]() {
+				Assert::AreEqual(0, Math::Mod(-199, 0));
+				});
+			return;
+		}
+
+		// a = 0 && b < 0
+		TEST_METHOD(a_eq_0_and_b_lt_0)
+		{
+			Assert::AreEqual(0, Math::Mod(0, -32));
+			return;
+		}
+	};
+}