src/v8/test/intl/break-iterator/zh-break.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Segment plain Chinese sentence and check results.

var iterator = new Intl.v8BreakIterator(['zh']);

var textToSegment = '\u56FD\u52A1\u9662\u5173\u4E8E\u300A\u571F\u5730' +
                    '\u623F\u5C4B\u7BA1\u7406\u6761\u4F8B\u300B';
iterator.adoptText(textToSegment);

var slices = [];
var types = [];
var pos = iterator.first();
while (pos !== -1) {
  var nextPos = iterator.next();
  if (nextPos === -1) break;

  slices.push(textToSegment.slice(pos, nextPos));
  types.push(iterator.breakType());

  pos = nextPos;
}

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]);

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]);