Import intl test suite from v8-i18n project

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

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 // limitations under the License.
 
-#ifndef V8_EXTENSIONS_I18N_SRC_LOCALE_H_
-#define V8_EXTENSIONS_I18N_SRC_LOCALE_H_
+// Segment plain Chinese sentence and check results.
 
-#include "unicode/uversion.h"
-#include "v8.h"
+var iterator = new Intl.v8BreakIterator(['zh']);
 
-namespace v8_i18n {
+var textToSegment = '\u56FD\u52A1\u9662\u5173\u4E8E\u300A\u571F\u5730' +
+                    '\u623F\u5C4B\u7BA1\u7406\u6761\u4F8B\u300B';
+iterator.adoptText(textToSegment);
 
-// Canonicalizes the BCP47 language tag using BCP47 rules.
-// Returns 'invalid-tag' in case input was not well formed.
-void JSCanonicalizeLanguageTag(const v8::FunctionCallbackInfo<v8::Value>& args);
+var slices = [];
+var types = [];
+var pos = iterator.first();
+while (pos !== -1) {
+  var nextPos = iterator.next();
+  if (nextPos === -1) break;
 
-// Returns a list of available locales for collator, date or number formatter.
-void JSAvailableLocalesOf(const v8::FunctionCallbackInfo<v8::Value>& args);
+  slices.push(textToSegment.slice(pos, nextPos));
+  types.push(iterator.breakType());
 
-// Returns default ICU locale.
-void JSGetDefaultICULocale(const v8::FunctionCallbackInfo<v8::Value>& args);
+  pos = nextPos;
+}
 
-// Returns an array of objects, that have maximized and base names of inputs.
-// Unicode extensions are dropped from both.
-// Input: ['zh-TW-u-nu-thai', 'sr']
-// Output: [{maximized: 'zh-Hant-TW', base: 'zh-TW'},
-//          {maximized: 'sr-Cyrl-RS', base: 'sr'}]
-void JSGetLanguageTagVariants(const v8::FunctionCallbackInfo<v8::Value>& args);
+assertEquals('\u56FD\u52A1\u9662', slices[0]);
+assertEquals('\u5173\u4E8E', slices[1]);
+assertEquals('\u300A', slices[2]);
+assertEquals('\u571F\u5730', slices[3]);
+assertEquals('\u623F\u5C4B', slices[4]);
+assertEquals('\u7BA1\u7406', slices[5]);
+assertEquals('\u6761\u4F8B', slices[6]);
+assertEquals('\u300B', slices[7]);
 
-}  // namespace v8_i18n
-
-#endif  // V8_EXTENSIONS_I18N_LOCALE_H_
+assertEquals('ideo', types[0]);
+assertEquals('ideo', types[1]);
+assertEquals('none', types[2]);
+assertEquals('ideo', types[3]);
+assertEquals('ideo', types[4]);
+assertEquals('none', types[types.length - 1]);