1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/fromEntries/key-order.js b/js/src/tests/test262/built-ins/Object/fromEntries/key-order.js
new file mode 100644
index 0000000000..1a97611c13
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/fromEntries/key-order.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Key enumeration order of result objects matches the order of entries in the iterable.
+esid: sec-object.fromentries
+includes: [compareArray.js]
+features: [Object.fromEntries]
+---*/
+
+var entries = [
+  ['z', 1],
+  ['y', 2],
+  ['x', 3],
+  ['y', 4],
+];
+
+var result = Object.fromEntries(entries);
+assert.sameValue(result.z, 1);
+assert.sameValue(result.y, 4);
+assert.sameValue(result.x, 3);
+assert.compareArray(Object.getOwnPropertyNames(result), ['z', 'y', 'x']);
+
+reportCompare(0, 0);