diff --git a/Sources/Testing/testMacro.js b/Sources/Testing/testMacro.js
index 0e0f244ca10..99995152b5a 100644
--- a/Sources/Testing/testMacro.js
+++ b/Sources/Testing/testMacro.js
@@ -650,11 +650,51 @@ test('Macro methods keystore tests', (t) => {
   t.end();
 });
 
+test('Macro methods normalizeWheel tests', (t) => {
+  const wheelEvent = { wheelDeltaX: 120 };
+
+  let normalizeWheelReturn = macro.normalizeWheel(wheelEvent);
+  t.equal(
+    normalizeWheelReturn.spinY,
+    -1,
+    'spinY should be set when only wheelDeltaX is defined'
+  );
+  t.equal(
+    normalizeWheelReturn.spinY,
+    normalizeWheelReturn.spinX,
+    'spinY should equal spinX when only wheelDeltaX is defined'
+  );
+  t.equal(
+    normalizeWheelReturn.pixelY,
+    -10,
+    'pixelY should be set when only wheelDeltaX is defined'
+  );
+  t.equal(
+    normalizeWheelReturn.pixelY,
+    normalizeWheelReturn.pixelX,
+    'pixelY should equal pixelX when only wheelDeltaX is defined'
+  );
+
+  wheelEvent.wheelDeltaY = 240;
+  normalizeWheelReturn = macro.normalizeWheel(wheelEvent);
+  t.equal(
+    normalizeWheelReturn.spinY,
+    -2,
+    'spinY should be set using wheelDeltaY when defined'
+  );
+  t.equal(
+    normalizeWheelReturn.pixelY,
+    -20,
+    'pixelY should be set using wheelDeltaY when defined'
+  );
+
+  t.end();
+});
+
 test('Macro debounce can be cancelled', (t) => {
   const func = () => {
     t.fail('Should not call cancelled debounce function');
   };
-
   const debFunc = macro.debounce(func, 5);
   debFunc();
   debFunc.cancel();