1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Segmenter/prototype/resolvedOptions/order.js b/js/src/tests/test262/intl402/Segmenter/prototype/resolvedOptions/order.js
new file mode 100644
index 0000000000..aa254958c3
--- /dev/null
+++ b/js/src/tests/test262/intl402/Segmenter/prototype/resolvedOptions/order.js
@@ -0,0 +1,30 @@
+// |reftest| skip-if(!Intl.Segmenter) -- Intl.Segmenter is not enabled unconditionally
+// Copyright 2018 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-Intl.Segmenter.prototype.resolvedOptions
+description: Verifies the property order for the object returned by resolvedOptions().
+features: [Intl.Segmenter]
+---*/
+
+const options = new Intl.Segmenter([], {
+  "granularity": "word",
+}).resolvedOptions();
+
+const expected = [
+  "locale",
+  "granularity",
+];
+
+const actual = Object.getOwnPropertyNames(options);
+
+// Ensure all expected items are in actual and also allow other properties
+// implemented in new proposals.
+assert(actual.indexOf("locale") > -1, "\"locale\" is present");
+for (var i = 1; i < expected.length; i++) {
+  // Ensure the order as expected but allow additional new property in between
+  assert(actual.indexOf(expected[i-1]) < actual.indexOf(expected[i]), `"${expected[i-1]}" precedes "${expected[i]}"`);
+}
+
+reportCompare(0, 0);