1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-in/order-simple-object.js b/js/src/tests/test262/language/statements/for-in/order-simple-object.js
new file mode 100644
index 0000000000..6c066eeb32
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-in/order-simple-object.js
@@ -0,0 +1,35 @@
+// Copyright 2019 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-enumerate-object-properties
+description: Property enumeration order for simple objects
+features: [for-in-order]
+includes: [compareArray.js]
+---*/
+
+var o = {
+  p1: 'p1',
+  p2: 'p2',
+  p3: 'p3',
+};
+
+o.p4 = 'p4';
+
+o[2] = '2';
+o[0] = '0';
+o[1] = '1';
+
+delete o.p1;
+delete o.p3;
+o.p1 = 'p1';
+
+
+var keys = [];
+for (var key in o) {
+  keys.push(key);
+}
+
+assert.compareArray(keys, ['0', '1', '2', 'p2', 'p4', 'p1']);
+
+reportCompare(0, 0);