The Tor Browser / file revision

 /* Test case for bug 90411

  *

  * Uses nsIConverterInputStream to decode GB_HK test.

  *

  * Sample text is: 

  * 问他谁是傻瓜了5分钟。但是，他谁不要求仍然是一个傻瓜永远

  * 我听见 我忘记; 我看见 我记住; 我做 我了解。

  */

 const sample = "~{NJK{K-JGI59OAK~}5~{7VVS!%235+JG%23,K{K-2;R*GsHTH;JGR;8vI59OS@T6!%23~} ~{NRL}<{~} ~{NRM|<G~}; ~{NR?4<{~} ~{NR<GW!~}; ~{NRWv~} ~{NRAK=b!%23~}";

 const expected = "\u95EE\u4ED6\u8C01\u662F\u50BB\u74DC\u4E865\u5206\u949F\u3002\u4F46\u662F\uFF0C\u4ED6\u8C01\u4E0D\u8981\u6C42\u4ECD\u7136\u662F\u4E00\u4E2A\u50BB\u74DC\u6C38\u8FDC\u3002 \u6211\u542C\u89C1 \u6211\u5FD8\u8BB0; \u6211\u770B\u89C1 \u6211\u8BB0\u4F4F; \u6211\u505A \u6211\u4E86\u89E3\u3002"; 

 const charset="HZ-GB-2312";

 function testCase(bufferLength)

 {

   var dataURI = "data:text/plain;charset=" + charset + "," + sample;

   var IOService = Components.Constructor("@mozilla.org/network/io-service;1",

 					 "nsIIOService");

   var ConverterInputStream =

       Components.Constructor("@mozilla.org/intl/converter-input-stream;1",

 			     "nsIConverterInputStream",

 			     "init");

   var ios = new IOService();

   var channel = ios.newChannel(dataURI, "", null);

   var testInputStream = channel.open();

   var testConverter = new ConverterInputStream(testInputStream,

 					       charset,

 					       bufferLength,

 					       0xFFFD);

   if (!(testConverter instanceof

 	Components.interfaces.nsIUnicharLineInputStream))

       throw "not line input stream";

   var outStr = "";

   var more;

   do {

       // read the line and check for eof

       var line = {};

       more = testConverter.readLine(line);

       outStr += line.value;

   } while (more);

   if (outStr != expected) {

     dump("Failed with bufferLength = " + bufferLength + "\n");

     if (outStr.length == expected.length) {

       for (i = 0; i < outStr.length; ++i) {

 	if (outStr.charCodeAt(i) != expected.charCodeAt(i)) {

 	  dump(i + ": " + outStr.charCodeAt(i).toString(16) + " != " + expected.charCodeAt(i).toString(16) + "\n");

 	}

       }

     }

   }

   // escape the strings before comparing for better readability

   do_check_eq(escape(outStr), escape(expected));

 }

 function run_test()

 {

   testCase(32);

   testCase(33);

 }