test: check util.inspect for array having empty string as key

Refs: nodejs#15159
mrahul17 · Sep 8, 2017 · 0ea06ff · 0ea06ff
1 parent 11b7428
commit 0ea06ff
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/test/parallel/test-util-inspect.js b/test/parallel/test-util-inspect.js
@@ -968,6 +968,12 @@ if (typeof Symbol !== 'undefined') {
   assert.strictEqual(util.inspect(x), '{}');
 }
 
+{
+  const x = [];
+  x[''] = 1;
+  assert.strictEqual(util.inspect(x), '[ \'\': 1 ]');
+}
+
 // The following maxArrayLength tests were introduced after v6.0.0 was released.
 // Do not backport to v5/v4 unless all of
 // https://github.com/nodejs/node/pull/6334 is backported.