Add Tests for ECMA402 PR811

Add tests to check the order of option readings and output
keys in resolvedOptions of Intl.NumberFormat and PluralRules.

test/intl402/NumberFormat/constructor-option-read-order.js

@@ -0,0 +1,36 @@
+/// Copyright 2023 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-initializenumberformat
+description: Checks the order of option read.
+features: [Intl.NumberFormat-v3]
+---*/
+
+let optionKeys =  Object.keys((new Intl.NumberFormat()).resolvedOptions());
+let opt = {};
+let readKeys = new Array();
+// For each item returned by resolvedOptions of default, add a getter
+// to track the reading order.
+optionKeys.forEach((property) =>
+    Object.defineProperty(opt, property, {
+        get() {
+            readKeys[readKeys.length] = property;
+            return undefined;
+        },
+    }));
+let p = new Intl.NumberFormat(undefined, opt);
+assert.sameValue(
+    'numberingSystem,' +
+    'style,' +
+    'notation,' +
+    'minimumIntegerDigits,' +
+    'minimumFractionDigits,' +
+    'maximumFractionDigits,' +
+    'roundingIncrement,' +
+    'roundingMode,' +
+    'roundingPriority,' +
+    'trailingZeroDisplay,' +
+    'useGrouping,' +
+    'signDisplay',
+    readKeys.toString());

test/intl402/NumberFormat/prototype/resolvedOptions/return-keys-order-default.js

@@ -0,0 +1,23 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-intl.numberformat.prototype.resolvedoptions
+description: order of property keys for the object returned by resolvedOptions()
+features: [Intl.NumberFormat-v3]
+---*/
+
+assert.sameValue(
+    'locale,' +
+    'numberingSystem,' +
+    'style,' +
+    'minimumIntegerDigits,' +
+    'minimumFractionDigits,' +
+    'maximumFractionDigits,' +
+    'useGrouping,' +
+    'notation,' +
+    'signDisplay,' +
+    'roundingIncrement,' +
+    'roundingMode,' +
+    'roundingPriority,' +
+    'trailingZeroDisplay',
+    Object.keys((new Intl.NumberFormat()).resolvedOptions()).toString());

test/intl402/PluralRules/constructor-option-read-order.js

@@ -0,0 +1,32 @@
+/// 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]
+---*/
+
+let optionKeys =  Object.keys((new Intl.PluralRules()).resolvedOptions());
+let opt = {};
+let readKeys = new Array();
+// For each item returned by resolvedOptions of default, add a getter
+// to track the reading order.
+optionKeys.forEach((property) =>
+    Object.defineProperty(opt, property, {
+        get() {
+            readKeys[readKeys.length] = property;
+            return undefined;
+        },
+    }));
+let p = new Intl.PluralRules(undefined, opt);
+assert.sameValue(
+    'type,' +
+    'minimumIntegerDigits,' +
+    'minimumFractionDigits,' +
+    'maximumFractionDigits,' +
+    'roundingIncrement,' +
+    'roundingMode,' +
+    'roundingPriority,' +
+    'trailingZeroDisplay',
+    readKeys.toString());

test/intl402/PluralRules/prototype/resolvedOptions/return-keys-order-default.js

@@ -0,0 +1,20 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-intl.pluralrules.prototype.resolvedoptions
+description: order of property keys for the object returned by resolvedOptions()
+features: [Intl.NumberFormat-v3]
+---*/
+
+assert.sameValue(
+    'locale,' +
+    'type,' +
+    'minimumIntegerDigits,' +
+    'minimumFractionDigits,' +
+    'maximumFractionDigits,' +
+    'pluralCategories,' +
+    'roundingIncrement,' +
+    'roundingMode,' +
+    'roundingPriority,' +
+    'trailingZeroDisplay',
+    Object.keys((new Intl.PluralRules()).resolvedOptions()).toString());