Allow braille translation result to be larger than twice the size of the input.

chrome/test/data/chromeos/liblouis_nacl/test.js

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var pass = chrome.test.callbackPass;
 
 var TABLE_NAME = 'en-us-comp8.ctb';
 var TEXT = 'hello';
 // Translation of the above string as a hexadecimal sequence of cells.
 var CELLS = '1311070715';
@@ skipping 24 matching lines @@
     pendingCallback(reply);
   }, false /* useCapture */);
   document.body.appendChild(embed);
 }
 
 
 function rpc(command, args, callback) {
   var messageId = '' + nextMessageId++;
   args['command'] = command;
   args['message_id'] = messageId;
-  var json = JSON.stringify(args)
+  var json = JSON.stringify(args);
   console.log('Message to liblouis: ' + json);
   naclEmbed.postMessage(json);
   pendingCallback = callback;
   pendingMessageId = messageId;
 }
 
 
 function expectSuccessReply(callback) {
   return function(reply) {
     chrome.test.assertEq(pendingMessageId, reply['in_reply_to']);
@@ skipping 13 matching lines @@
        pass(expectSuccessReply()));
   },
 
   function testTranslateString() {
     rpc('Translate', { 'table_name': TABLE_NAME, 'text': TEXT},
         pass(expectSuccessReply(function(reply) {
           chrome.test.assertEq(CELLS, reply['cells']);
         })));
   },
 
+  // Regression test for the case where the translated result is more than
+  // the double size of the input.  In this particular case, a single capital
+  // letter 'T' should be translated to 3 cells in US English grade 2
+  // braille (dots 56, 6, 2345).
+  function testTranslateGrade2SingleCapital() {
+    rpc('Translate', { 'table_name': 'en-us-g2.ctb', 'text': 'T'},
+        pass(expectSuccessReply(function(reply) {
+          chrome.test.assertEq('30201e', reply['cells']);
+        })));
+  },
+
   function testBackTranslateString() {
     rpc('BackTranslate', { 'table_name': TABLE_NAME, 'cells': CELLS},
         pass(expectSuccessReply(function(reply) {
           chrome.test.assertEq(TEXT, reply['text']);
         })));
   },
 ])});