diff --git a/ts/tests/numberingTest.ts b/ts/tests/numberingTest.ts
index 404460133a..4b7f2df866 100644
--- a/ts/tests/numberingTest.ts
+++ b/ts/tests/numberingTest.ts
@@ -1,21 +1,47 @@
-import { assert } from "chai";
+import { expect } from "chai";
 import { Numbering } from "../numbering";
+import { Formatter } from '../export/formatter';
 
 function jsonify(obj: Object) {
     let stringifiedJson = JSON.stringify(obj);
     return JSON.parse(stringifiedJson);
 }
 
-describe("", () => {
+describe("Numbering", () => {
 
     let numbering = new Numbering;
     beforeEach(() => {
         numbering = new Numbering();
     });
 
-    describe("#methodName()", () => {
-        it("should ", () => {
+    describe("#constructor", () => {
+        it("creates a default numbering with one abstract and one concrete instance", () => {
+            const tree = new Formatter().format(numbering);
+            expect(Object.keys(tree)).to.deep.equal(['w:numbering']);
+            const abstractNums = tree['w:numbering'].filter(el => el['w:abstractNum']);
+            expect(abstractNums).to.have.lengthOf(1);
+            expect(abstractNums[0]['w:abstractNum']).to.deep.include.members([
+                {_attr: {"w:abstractNumId": 0, "w15:restartNumberingAfterBreak": 0}},
+                {"w:multiLevelType": [{"_attr": {"w:val": "hybridMultilevel"}}]},
+            ]);
 
+            abstractNums.filter(el => el['w:lvl']).forEach((el, ix) => {
+                expect(Object.keys(el)).to.have.lengthOf(1);
+                expect(Object.keys(el['w:lvl']).sort()).to.deep.equal([
+                    "_attr", "w:start", "w:lvlJc", "w:numFmt", "w:pPr", "w:rPr"
+                ])
+                expect(el['w:lvl']).to.have.deep.members([
+                    {"_attr": {"w:ilvl": ix, "w15:tentative": 1}},
+                    {"w:start": [{"_attr": {"w:val": 1}}]},
+                    {"w:lvlJc": [{"_attr": {"w:val": "left"}}]},
+                    {"w:numFmt": [{"_attr": {"w:val": "bullet"}}]},
+                ]);
+                // Once chai 4.0.0 lands and #644 is resolved, we can add the following to the test:
+                // {"w:lvlText": [{"_attr": {"w:val": "•"}}]},
+                // {"w:rPr": [{"w:rFonts": [{"_attr": {"w:ascii": "Symbol", "w:hAnsi": "Symbol", "w:hint": "default"}}]}]},
+                // {"w:pPr": [{"_attr": {}},
+                //            {"w:ind": [{"_attr": {"w:left": 720, "w:hanging": 360}}]}]},
+            })
         });
     });
 });
\ No newline at end of file