Add test to show objects with null prototypes work as key

JakeChampion · Feb 19, 2019 · c14fe63 · c14fe63
1 parent 18dfee3
commit c14fe63
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/polyfills/Map/tests.js b/polyfills/Map/tests.js
@@ -466,6 +466,12 @@ describe('Map', function () {
 		proclaim.ok(o.has(0));
 		proclaim.equal(o.get(-0), generic);
 		proclaim.equal(o.get(0), generic);
+		if ('create' in Object) {
+			var o = new Map();
+			var key = Object.create(null);
+			o.set(key, key);
+			proclaim.equal(o.get(key), key);
+		}
 	});
 
 	it("implements .delete()", function () {