Add Intl.PluralRules tests

Author: shvaikalesh

test/intl402/PluralRules/prototype/toStringTag/toString-removed-tag.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.pluralrules.prototype-tostringtag
+description: >
+  Object.prototype.toString doesn't special-case neither Intl.PluralRules instances nor its prototype.
+info: |
+  Object.prototype.toString ( )
+
+  [...]
+  14. Else, let builtinTag be "Object".
+  15. Let tag be ? Get(O, @@toStringTag).
+  16. If Type(tag) is not String, set tag to builtinTag.
+  17. Return the string-concatenation of "[object ", tag, and "]".
+features: [Symbol.toStringTag]
+---*/
+
+delete Intl.PluralRules.prototype[Symbol.toStringTag];
+
+assert.sameValue(Object.prototype.toString.call(Intl.PluralRules.prototype), "[object Object]");
+assert.sameValue(Object.prototype.toString.call(new Intl.PluralRules()), "[object Object]");

test/intl402/PluralRules/prototype/toStringTag/toString.js

@@ -0,0 +1,24 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.pluralrules.prototype-tostringtag
+description: >
+  Object.prototype.toString utilizes Intl.PluralRules.prototype[@@toStringTag].
+info: |
+  Object.prototype.toString ( )
+
+  [...]
+  14. Else, let builtinTag be "Object".
+  15. Let tag be ? Get(O, @@toStringTag).
+  16. If Type(tag) is not String, set tag to builtinTag.
+  17. Return the string-concatenation of "[object ", tag, and "]".
+
+  Intl.PluralRules.prototype [ @@toStringTag ]
+
+  The initial value of the @@toStringTag property is the String value "Intl.PluralRules".
+features: [Symbol.toStringTag]
+---*/
+
+assert.sameValue(Object.prototype.toString.call(Intl.PluralRules.prototype), "[object Intl.PluralRules]");
+assert.sameValue(Object.prototype.toString.call(new Intl.PluralRules()), "[object Intl.PluralRules]");

test/intl402/PluralRules/prototype/toStringTag/toStringTag.js

@@ -0,0 +1,23 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.pluralrules.prototype-tostringtag
+description: >
+  Property descriptor of Intl.PluralRules.prototype[@@toStringTag].
+info: |
+  Intl.PluralRules.prototype [ @@toStringTag ]
+
+  The initial value of the @@toStringTag property is the String value "Intl.PluralRules".
+
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
+features: [Symbol.toStringTag]
+includes: [propertyHelper.js]
+---*/
+
+verifyProperty(Intl.PluralRules.prototype, Symbol.toStringTag, {
+  value: "Intl.PluralRules",
+  writable: false,
+  enumerable: false,
+  configurable: true,
+});