1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/PluralRules/constructor-option-read-order.js b/js/src/tests/test262/intl402/PluralRules/constructor-option-read-order.js
new file mode 100644
index 0000000000..0fc3569e60
--- /dev/null
+++ b/js/src/tests/test262/intl402/PluralRules/constructor-option-read-order.js
@@ -0,0 +1,43 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-initializepluralrules
+description: Checks the order of option read.
+features: [Intl.NumberFormat-v3]
+includes: [compareArray.js]
+---*/
+
+let optionKeys = [
+    // Inside InitializePluralRules
+    "localeMatcher",
+    "type",
+    // Inside SetNumberFormatDigitOptions
+        "minimumIntegerDigits",
+        "minimumFractionDigits",
+        "maximumFractionDigits",
+        "minimumSignificantDigits",
+        "maximumSignificantDigits",
+        "roundingIncrement",
+        "roundingMode",
+        "roundingPriority",
+        "trailingZeroDisplay",
+    // End of SetNumberFormatDigitOptions
+];
+
+// Use getters to track the order of reading known properties.
+// TODO: Should we use a Proxy to detect *unexpected* property reads?
+let reads = new Array();
+let options = {};
+optionKeys.forEach((key) => {
+    Object.defineProperty(options, key, {
+        get() {
+            reads.push(key);
+            return undefined;
+        },
+    });
+});
+new Intl.PluralRules(undefined, options);
+assert.compareArray(reads, optionKeys, "Intl.PluralRules options read order");
+
+reportCompare(0, 0);