Add m-esr52 at 52.6.0

18 files changed, 540 insertions, 0 deletions

diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.1_1.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_1.js
new file mode 100644
index 000000000..7386fdeda
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_1.js
@@ -0,0 +1,23 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that canonicalization of locale lists treats undefined and empty lists the same.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    var supportedForUndefined = Constructor.supportedLocalesOf(undefined);
+    var supportedForEmptyList = Constructor.supportedLocalesOf([]);
+    if (supportedForUndefined.length !== supportedForEmptyList.length) {
+        $ERROR("Supported locales differ between undefined and empty list input.");
+    }
+    // we don't compare the elements because length should be 0 - let's just verify that
+    if (supportedForUndefined.length !== 0) {
+        $ERROR("Internal test error: Assumption about length being 0 is invalid.");
+    }
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.1_2.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_2.js
new file mode 100644
index 000000000..e4fb3756d
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_2.js
@@ -0,0 +1,21 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that the behavior of a List is not affected by adversarial
+ *     changes to Array.prototype.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+taintArray();
+
+testWithIntlConstructors(function (Constructor) {
+    var defaultLocale = new Constructor().resolvedOptions().locale;
+    var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale]);
+    if (canonicalized.length > 1) {
+        $ERROR("Canonicalization didn't remove duplicate language tags from locale list.");
+    }
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.1_3.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_3.js
new file mode 100644
index 000000000..e403b1765
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_3.js
@@ -0,0 +1,87 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that a single string instead of a locale list is treated
+ *     as the locale list containing that string.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+var validAndInvalidLanguageTags = [
+    "de", // ISO 639 language code
+    "de-DE", // + ISO 3166-1 country code
+    "DE-de", // tags are case-insensitive
+    "cmn", // ISO 639 language code
+    "cmn-Hans", // + script code
+    "CMN-hANS", // tags are case-insensitive
+    "cmn-hans-cn", // + ISO 3166-1 country code
+    "es-419", // + UN M.49 region code
+    "es-419-u-nu-latn-cu-bob", // + Unicode locale extension sequence
+    "i-klingon", // grandfathered tag
+    "cmn-hans-cn-t-ca-u-ca-x-t-u", // singleton subtags can also be used as private use subtags
+    "enochian-enochian", // language and variant subtags may be the same
+    "de-gregory-u-ca-gregory", // variant and extension subtags may be the same
+    "de_DE",
+    "DE_de",
+    "cmn_Hans",
+    "cmn-hans_cn",
+    "es_419",
+    "es-419-u-nu-latn-cu_bob",
+    "i_klingon",
+    "cmn-hans-cn-t-ca-u-ca-x_t-u",
+    "enochian_enochian",
+    "de-gregory_u-ca-gregory",
+    "i", // singleton alone
+    "x", // private use without subtag
+    "u", // extension singleton in first place
+    "419", // region code in first place
+    "u-nu-latn-cu-bob", // extension sequence without language
+    "hans-cmn-cn", // "hans" could theoretically be a 4-letter language code,
+                   // but those can't be followed by extlang codes.
+    "cmn-hans-cn-u-u", // duplicate singleton
+    "cmn-hans-cn-t-u-ca-u", // duplicate singleton
+    "de-gregory-gregory" // duplicate variant
+];
+
+testWithIntlConstructors(function (Constructor) {
+    validAndInvalidLanguageTags.forEach(function (locale) {
+        var obj1, obj2, locale1, locale2, error1, error2;
+        try {
+            obj1 = new Constructor(locale);
+            locale1 = obj1.resolvedOptions().locale;
+        } catch (e) {
+            error1 = e;
+        }
+        try {
+            obj2 = new Constructor([locale]);
+            locale2 = obj2.resolvedOptions().locale;
+        } catch (e) {
+            error2 = e;
+        }
+
+        if ((error1 === undefined) !== (error2 === undefined)) {
+            if (error1 === undefined) {
+                $ERROR("Single locale string " + locale +
+                    " was accepted, but locale list containing that string wasn't.");
+            } else {
+                $ERROR("Single locale string " + locale +
+                    " was rejected, but locale list containing that string wasn't.");
+            }
+        } else if (error1 === undefined) {
+             if (locale1 !== locale2) {
+                $ERROR("Single locale string " + locale + " results in " + locale1 +
+                    ", but locale list [" + locale + "] results in " + locale2 + ".");
+             }
+        } else {
+            if (error1.name !== error2.name) {
+                $ERROR("Single locale string " + locale + " results in error " + error1.name +
+                    ", but locale list [" + locale + "] results in error " + error2.name + ".");
+             }
+        }
+    });
+    
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.1_4.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_4.js
new file mode 100644
index 000000000..b9bb9db79
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_4.js
@@ -0,0 +1,46 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that non-objects are converted to objects before canonicalization.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    // undefined is handled separately
+    
+    // null should result in a TypeError
+    var error;
+    try {
+        var supportedForNull = Constructor.supportedLocalesOf(null);
+    } catch (e) {
+        error = e;
+    }
+    if (error === undefined) {
+        $ERROR("Null as locale list was not rejected.");
+    } else if (error.name !== "TypeError") {
+        $ERROR("Null as locale list was rejected with wrong error " + error.name + ".");
+    }    
+    
+    // let's use an empty list for comparison
+    var supportedForEmptyList = Constructor.supportedLocalesOf([]);
+    // we don't compare the elements because length should be 0 - let's just verify that
+    if (supportedForEmptyList.length !== 0) {
+        $ERROR("Internal test error: Assumption about length being 0 is invalid.");
+    }
+
+    // most non-objects will be interpreted as empty lists because a missing length property is interpreted as 0
+    var supportedForNumber = Constructor.supportedLocalesOf(5);
+    if (supportedForNumber.length !== supportedForEmptyList.length) {
+        $ERROR("Supported locales differ between numeric and empty list input.");
+    }
+    var supportedForBoolean = Constructor.supportedLocalesOf(true);
+    if (supportedForBoolean.length !== supportedForEmptyList.length) {
+        $ERROR("Supported locales differ between boolean and empty list input.");
+    }
+    
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.1_8_c_ii.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_8_c_ii.js
new file mode 100644
index 000000000..8dfb9b7b3
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_8_c_ii.js
@@ -0,0 +1,30 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that values other than strings are not accepted as locales.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+var notStringOrObject = [undefined, null, true, false, 0, 5, -5, NaN];
+
+testWithIntlConstructors(function (Constructor) {
+    notStringOrObject.forEach(function (value) {
+        var error;
+        try {
+            var supported = Constructor.supportedLocalesOf([value]);
+        } catch (e) {
+            error = e;
+        }
+        if (error === undefined) {
+            $ERROR("" + value + " as locale was not rejected.");
+        } else if (error.name !== "TypeError") {
+            $ERROR("" + value + " as locale was rejected with wrong error " + error.name + ".");
+        }
+    });
+    
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.1_8_c_vi.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_8_c_vi.js
new file mode 100644
index 000000000..ef78fa97b
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.1_8_c_vi.js
@@ -0,0 +1,18 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that canonicalization of locale lists removes duplicate language tags.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    var defaultLocale = new Constructor().resolvedOptions().locale;
+    var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale]);
+    if (canonicalized.length > 1) {
+        $ERROR("Canonicalization didn't remove duplicate language tags from locale list.");
+    }
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.2.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.2.js
new file mode 100644
index 000000000..cb74eaad2
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.2.js
@@ -0,0 +1,45 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that locales that are reported by resolvedOptions
+ *     are also reported by supportedLocalesOf.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    var info = getLocaleSupportInfo(Constructor);
+    // this test should work equally for both matching algorithms
+    ["lookup", "best fit"].forEach(function (matcher) {
+        var supportedByConstructor = info.supported.concat(info.byFallback);
+        var supported = Constructor.supportedLocalesOf(supportedByConstructor,
+            {localeMatcher: matcher});
+        // we could check the length first, but it's probably more interesting which locales are missing
+        var i = 0;
+        var limit = Math.min(supportedByConstructor.length, supported.length);
+        while (i < limit && supportedByConstructor[i] === supported[i]) {
+            i++;
+        }
+        if (i < supportedByConstructor.length) {
+            $ERROR("Locale " + supportedByConstructor[i] +
+                " is returned by resolvedOptions but not by supportedLocalesOf.");
+        } else if (i < supported.length) {
+            $ERROR("Locale " + supported[i] +
+                " is returned by supportedLocalesOf but not by resolvedOptions.");
+        }
+    });
+    
+    // this test is only valid for lookup - best fit may find additional locales supported
+    var unsupportedByConstructor = info.unsupported;
+    var supported = Constructor.supportedLocalesOf(unsupportedByConstructor,
+            {localeMatcher: "lookup"});
+    if (supported.length > 0) {
+        $ERROR("Locale " + supported[0] +
+            " is returned by supportedLocalesOf but not by resolvedOptions.");
+    }
+
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.3_5.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.3_5.js
new file mode 100644
index 000000000..8ae8a216b
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.3_5.js
@@ -0,0 +1,22 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that the behavior of a Record is not affected by adversarial
+ *     changes to Object.prototype.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+taintProperties(["locale", "extension", "extensionIndex"]);
+
+testWithIntlConstructors(function (Constructor) {
+    var locale = new Constructor(undefined, {localeMatcher: "lookup"}).resolvedOptions().locale;
+    if (!isCanonicalizedStructurallyValidLanguageTag(locale)) {
+        $ERROR("Constructor returns invalid locale " + locale + ".");
+    }
+
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.5_11_g_ii_2.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.5_11_g_ii_2.js
new file mode 100644
index 000000000..d4213d2da
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.5_11_g_ii_2.js
@@ -0,0 +1,26 @@
+// Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that missing Unicode extension values default to true for
+ *     boolean keys.
+ * @author Norbert Lindenberg
+ */
+
+var extensions = ["-u-co-phonebk-kn", "-u-kn-co-phonebk"];
+extensions.forEach(function (extension) {
+    var defaultLocale = new Intl.Collator().resolvedOptions().locale;
+    var collator = new Intl.Collator([defaultLocale + extension], {usage: "sort"});
+    var locale = collator.resolvedOptions().locale;
+    var numeric = collator.resolvedOptions().numeric;
+    if (numeric !== undefined) {
+        if (numeric !== true) {
+            $ERROR("Default value for \"kn\" should be true, but is " + numeric + ".");
+        }
+        if (locale.indexOf("-kn") !== -1) {
+            $ERROR("\"kn\" is returned in locale, but shouldn't be.");
+        }
+    }
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.5_6.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.5_6.js
new file mode 100644
index 000000000..4bc904ee1
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.5_6.js
@@ -0,0 +1,22 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that the behavior of a Record is not affected by adversarial
+ *     changes to Object.prototype.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+taintProperties(["dataLocale", "nu", "ca", "co", "locale"]);
+
+testWithIntlConstructors(function (Constructor) {
+    var locale = new Constructor(undefined, {localeMatcher: "lookup"}).resolvedOptions().locale;
+    if (!isCanonicalizedStructurallyValidLanguageTag(locale)) {
+        $ERROR("Constructor returns invalid locale " + locale + ".");
+    }
+
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.6_2.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.6_2.js
new file mode 100644
index 000000000..8d4f7efa9
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.6_2.js
@@ -0,0 +1,27 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that the behavior of a List is not affected by adversarial
+ *     changes to Array.prototype.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+taintArray();
+
+testWithIntlConstructors(function (Constructor) {
+    // this test should work equally for both matching algorithms
+    ["lookup", "best fit"].forEach(function (matcher) {
+        var defaultLocale = new Constructor().resolvedOptions().locale;
+        var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale],
+            {localeMatcher: matcher});
+        if (canonicalized.length > 1) {
+            $ERROR("Canonicalization with matcher " + matcher + " didn't remove duplicate language tags from locale list.");
+        }
+    });
+
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4.js
new file mode 100644
index 000000000..7c053a381
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4.js
@@ -0,0 +1,23 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that LookupSupportedLocales returns an empty list when
+ *     given an empty list.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    // this test should work equally for both matching algorithms
+    ["lookup", "best fit"].forEach(function (matcher) {
+        var supported = Constructor.supportedLocalesOf([], {localeMatcher: matcher});
+        if (supported.length !== 0) {
+            $ERROR("SupportedLocales with matcher " + matcher + " returned a non-empty list for an empty list.");
+        }
+    });
+
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4_b.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4_b.js
new file mode 100644
index 000000000..5b9a43157
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4_b.js
@@ -0,0 +1,47 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that Unicode locale extension sequences do not affect
+ *    whether a locale is considered supported, but are reported back.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    // this test should work equally for both matching algorithms
+    ["lookup", "best fit"].forEach(function (matcher) {
+        var info = getLocaleSupportInfo(Constructor);
+        var allLocales = info.supported.concat(info.byFallback, info.unsupported);
+        allLocales.forEach(function (locale) {
+            var validExtension = "-u-co-phonebk-nu-latn";
+            var invalidExtension = "-u-nu-invalid";
+            var supported1 = Constructor.supportedLocalesOf([locale],
+                {localeMatcher: matcher});
+            var supported2 = Constructor.supportedLocalesOf([locale + validExtension],
+                {localeMatcher: matcher});
+            var supported3 = Constructor.supportedLocalesOf([locale + invalidExtension],
+                {localeMatcher: matcher});
+            if (supported1.length === 1) {
+                if (supported2.length !== 1 || supported3.length !== 1) {
+                    $ERROR("Presence of Unicode locale extension sequence affects whether locale " +
+                        locale + " is considered supported with matcher " + matcher + ".");
+                }
+                if (supported2[0] !== locale + validExtension || supported3[0] !== locale + invalidExtension) {
+                    alert(locale + "; " + supported2[0] + "; " + supported3[0]);
+                    $ERROR("Unicode locale extension sequence is not correctly returned for locale " +
+                        locale + " with matcher " + matcher + ".");
+                }
+            } else {
+                if (supported2.length !== 0 || supported3.length !== 0) {
+                    $ERROR("Presence of Unicode locale extension sequence affects whether locale " +
+                        locale + " is considered supported with matcher " + matcher + ".");
+                }
+            }
+        });
+    });
+
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4_c.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4_c.js
new file mode 100644
index 000000000..de68a9b66
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.6_4_c.js
@@ -0,0 +1,32 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that LookupSupportedLocales includes the default locale
+ *     and doesn't include the "no linguistic content" locale.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    // this test should work equally for both matching algorithms
+    ["lookup", "best fit"].forEach(function (matcher) {
+        var defaultLocale = new Constructor().resolvedOptions().locale;
+        var noLinguisticContent = "zxx";
+        var supported = Constructor.supportedLocalesOf([defaultLocale, noLinguisticContent],
+            {localeMatcher: matcher});
+        if (supported.indexOf(defaultLocale) === -1) {
+            $ERROR("SupportedLocales didn't return default locale with matcher " + matcher + ".");
+        }
+        if (supported.indexOf(noLinguisticContent) !== -1) {
+            $ERROR("SupportedLocales returned the \"no linguistic content\" locale with matcher " + matcher + ".");
+        }
+        if (supported.length > 1) {
+            $ERROR("SupportedLocales returned stray locales: " + supported.join(", ") + " with matcher " + matcher + ".");
+        }
+    });
+
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.8_1_c.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.8_1_c.js
new file mode 100644
index 000000000..724db1edd
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.8_1_c.js
@@ -0,0 +1,36 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that the option localeMatcher is processed correctly.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    var defaultLocale = new Constructor().resolvedOptions().locale;
+    
+    var validValues = [undefined, "lookup", "best fit", {toString: function () { return "lookup"; }}];
+    validValues.forEach(function (value) {
+        var supported = Constructor.supportedLocalesOf([defaultLocale], {localeMatcher: value});
+    });
+    
+    var invalidValues = [null, 0, 5, NaN, true, false, "invalid"];
+    invalidValues.forEach(function (value) {
+        var error;
+        try {
+            var supported = Constructor.supportedLocalesOf([defaultLocale], {localeMatcher: value});
+        } catch (e) {
+            error = e;
+        }
+        if (error === undefined) {
+            $ERROR("Invalid localeMatcher value " + value + " was not rejected.");
+        } else if (error.name !== "RangeError") {
+            $ERROR("Invalid localeMatcher value " + value + " was rejected with wrong error " + error.name + ".");
+        }
+    });
+    
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/9.2.8_4.js b/js/src/tests/test262/intl402/ch09/9.2/9.2.8_4.js
new file mode 100644
index 000000000..79c362f62
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/9.2.8_4.js
@@ -0,0 +1,35 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that the array returned by SupportedLocales is extensible,
+ *     but its properties are non-writable/non-configurable.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+function testFrozenProperty(obj, property) {
+    var desc = Object.getOwnPropertyDescriptor(obj, property);
+    if (desc.writable) {
+        $ERROR("Property " + property + " of object returned by SupportedLocales is writable.");
+    }
+    if (desc.configurable) {
+        $ERROR("Property " + property + " of object returned by SupportedLocales is configurable.");
+    }
+}
+
+testWithIntlConstructors(function (Constructor) {
+    var defaultLocale = new Constructor().resolvedOptions().locale;
+    var supported = Constructor.supportedLocalesOf([defaultLocale]);
+    if (!Object.isExtensible(supported)) {
+        $ERROR("Object returned by SupportedLocales is not extensible.");
+    }
+    for (var i = 0; i < supported.length; i++) {
+        testFrozenProperty(supported, i);
+    }
+    testFrozenProperty(supported, "length");
+
+    return true;
+});
+
diff --git a/js/src/tests/test262/intl402/ch09/9.2/browser.js b/js/src/tests/test262/intl402/ch09/9.2/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/browser.js
diff --git a/js/src/tests/test262/intl402/ch09/9.2/shell.js b/js/src/tests/test262/intl402/ch09/9.2/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch09/9.2/shell.js