Import intl test suite from v8-i18n project

test/intl/break-iterator/en-break.js

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-#ifndef V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
-#define V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
+// Segment plain English sentence and check results.
 
-#include "v8.h"
+var iterator = new Intl.v8BreakIterator(['en']);
 
-namespace v8_i18n {
+var textToSegment = 'Jack and Jill, went over hill, and got lost. Alert!';
+iterator.adoptText(textToSegment);
 
-class Extension : public v8::Extension {
- public:
-  Extension();
+var slices = [];
+var types = [];
+var pos = iterator.first();
+while (pos !== -1) {
+  var nextPos = iterator.next();
+  if (nextPos === -1) break;
 
-  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
-      v8::Handle<v8::String> name);
+  slices.push(textToSegment.slice(pos, nextPos));
+  types.push(iterator.breakType());
 
-  static void Register();
+  pos = nextPos;
+}
 
- private:
-  static Extension* extension_;
-};
+assertEquals('Jack', slices[0]);
+assertEquals(' ', slices[1]);
+assertEquals('and', slices[2]);
+assertEquals(' ', slices[3]);
+assertEquals('Jill', slices[4]);
+assertEquals(',', slices[5]);
+assertEquals('!', slices[slices.length - 1]);
 
-}  // namespace v8_i18n
-
-#endif  // V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
+assertEquals('letter', types[0]);
+assertEquals('none', types[1]);
+assertEquals('letter', types[2]);
+assertEquals('none', types[3]);
+assertEquals('letter', types[4]);
+assertEquals('none', types[types.length - 1]);