Import intl test suite from v8-i18n project

test/intl/date-format/protected-icu-internals.js

Index: test/intl/date-format/protected-icu-internals.js
diff --git a/src/extensions/i18n/i18n-extension.h b/test/intl/date-format/protected-icu-internals.js
similarity index 72%
copy from src/extensions/i18n/i18n-extension.h
copy to test/intl/date-format/protected-icu-internals.js
index 050c336a67a21fd6cb32892e14215cac11971111..43848ab6caa95ccd35b35d2523fedf32f6f21a79 100644
--- a/src/extensions/i18n/i18n-extension.h
+++ b/test/intl/date-format/protected-icu-internals.js
@@ -26,26 +26,25 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // limitations under the License.
 
-#ifndef V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
-#define V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
+// Internal object we got from native code should not be writable,
+// configurable or enumerable. One can still change its public properties, but
+// we don't use them to do actual work.
 
-#include "v8.h"
+var format = new Intl.DateTimeFormat([]);
 
-namespace v8_i18n {
+// Direct write should fail.
+format.formatter = {'zzz':'some random object'};
 
-class Extension : public v8::Extension {
- public:
-  Extension();
+assertFalse(format.formatter.hasOwnProperty('zzz'));
 
-  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
-      v8::Handle<v8::String> name);
+// Try redefining the property.
+var didThrow = false;
+try {
+  Object.defineProperty(format, 'formatter', {value: undefined});
+} catch(e) {
+  didThrow = true;
+}
+assertTrue(didThrow);
 
-  static void Register();
-
- private:
-  static Extension* extension_;
-};
-
-}  // namespace v8_i18n
-
-#endif  // V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
+// Try deleting the property.
+assertFalse(delete format.formatter);