Add Math Summation

src/file/paragraph/math/n-ary/math-limit-location.spec.ts

@@ -0,0 +1,22 @@
+import { expect } from "chai";
+
+import { Formatter } from "export/formatter";
+
+import { MathLimitLocation } from "./math-limit-location";
+
+describe("MathLimitLocation", () => {
+    describe("#constructor()", () => {
+        it("should create a MathLimitLocation with correct root key", () => {
+            const mathLimitLocation = new MathLimitLocation();
+
+            const tree = new Formatter().format(mathLimitLocation);
+            expect(tree).to.deep.equal({
+                "m:limLoc": {
+                    _attr: {
+                        "m:val": "undOvr",
+                    },
+                },
+            });
+        });
+    });
+});