intl/uconv/tests/unit/test_bug399257.js

   1 // Tests encoding of characters below U+0020
   2 const Ci = Components.interfaces;
   3 const Cc = Components.classes;
   4 const inString = "Hello\u000aWorld";
   5 const expectedString = "Hello\nWorld";
   6
   7
   8 function run_test() {
   9     var failures = false;
  10     var ccManager = Cc["@mozilla.org/charset-converter-manager;1"]
  11         .getService(Ci.nsICharsetConverterManager);
  12     var encodingConverter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
  13         .createInstance(Ci.nsIScriptableUnicodeConverter);
  14
  15     var charsetList = ccManager.getDecoderList();
  16     var counter = 0;
  17     while (charsetList.hasMore()) {
  18         ++counter;
  19         var charset = charsetList.getNext();
  20
  21         // exclude known non-ASCII compatible charsets
  22         if (charset.substr(0, "UTF-16".length) == "UTF-16" ||
  23             charset.substr(0, "UTF-32".length) == "UTF-32" ||
  24             charset == "x-imap4-modified-utf7") {
  25             dump("skipping " + counter + " " + charset + "\n");
  26             continue;
  27         }
  28         dump("testing " + counter + " " + charset + "\n");
  29
  30         try {
  31             encodingConverter.charset = charset;
  32         } catch(e) {
  33             dump("Warning: couldn't set encoder charset to " + charset + "\n");
  34             continue;
  35         }
  36         var codepageString = encodingConverter.ConvertFromUnicode(inString) +
  37             encodingConverter.Finish();
  38         if (codepageString != expectedString) {
  39             dump(charset + " encoding failed\n");
  40             for (var i = 0; i < expectedString.length; ++i) {
  41                 if (codepageString.charAt(i) != expectedString.charAt(i)) {
  42                     dump(i.toString(16) + ": 0x" +
  43                          codepageString.charCodeAt(i).toString(16) + " != " +
  44                          expectedString.charCodeAt(i).toString(16) + "\n");
  45                 }
  46             }
  47             failures = true;
  48         }
  49     }
  50     if (failures) {
  51         do_throw("test failed\n");
  52     }
  53 }