fix(point): test and doc for empty constructor

basics · Sep 29, 2019 · 2c78fd0 · 2c78fd0
1 parent a1731e0
commit 2c78fd0
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/src/point.js b/src/point.js
@@ -384,7 +384,7 @@ const ipointFactory = cachedFactory(IPoint);
  * @typedef {(alg: Alg) => IPointType} IPointAlg
  * @typedef {(x: number , y: number) => IPointType} IPointCon
  * @typedef {(data: [number, number]) => IPointType} IPointArr
- * @typedef {IPointAlg & IPointCon & IPointArr & IPointType}
+ * @typedef {IPointAlg & IPointCon & IPointArr & IPointType & IPointZero}
  *
  * @param {number | [number, number] | Alg} [x]
  * @param {number} [y]

diff --git a/test/point.js b/test/point.js
@@ -8,6 +8,12 @@ import {
  * @param {(typeof Point) | (typeof IPoint)} Vec2
  */
 const pointTest = (vec2, Vec2) => {
+  it('should create empty vector', () => {
+    const pos = vec2();
+    assert.equal(pos.x, 0);
+    assert.equal(pos.y, 0);
+  });
+
   it('should create x y values', () => {
     const pos = vec2(5, 6);
     assert.equal(pos.x, 5);