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path: root/intl/uconv/tests/unit/CharsetConversionTests.js
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var Ci = Components.interfaces;
var Cc = Components.classes;
var CC = Components.Constructor;

function CreateScriptableConverter()
{
  var ScriptableUnicodeConverter = 
    CC("@mozilla.org/intl/scriptableunicodeconverter",
       "nsIScriptableUnicodeConverter");

  return new ScriptableUnicodeConverter();
}

function checkDecode(converter, charset, inText, expectedText)
{
  try {
    converter.charset = charset;
  } catch(e) {
    converter.charset = "iso-8859-1";
  }

  dump("testing decoding from " + charset + " to Unicode.\n");
  try {
    var outText = converter.ConvertToUnicode(inText);
  } catch(e) {
    outText = "\ufffd";
  }

  if (outText != expectedText) {
      for (var i = 0; i < inText.length; ++i) {
          var inn = inText[i];
          var out = outText[i];
          var expected = expectedText[i];
          if (out != expected) {
              dump("Decoding error at position " + i + ": for input " + escape(inn) + " expected " + escape(expected) + " but got " + escape(out) + "\n");
          }
      }
  }
  do_check_eq(outText, expectedText);
}

function checkEncode(converter, charset, inText, expectedText)
{
  try {
    converter.charset = charset;
  } catch(e) {
    converter.charset = "iso-8859-1";
  }

  dump("testing encoding from Unicode to " + charset + "\n");
  var outText = converter.ConvertFromUnicode(inText) + converter.Finish();

  if (outText != expectedText) {
      for (var i = 0; i < inText.length; ++i) {
          var inn = inText[i];
          var out = outText[i];
          var expected = expectedText[i];
          if (out != expected) {
              dump("Encoding error at position " + i + ": for input " + escape(inn) + " expected " + escape(expected) + " but got " + escape(out) + "\n");
          }
      }
  }
  do_check_eq(outText, expectedText);
}

function testDecodeAliases()
{
  var converter = CreateScriptableConverter();
  for (var i = 0; i < aliases.length; ++i) {
    checkDecode(converter, aliases[i], inString, expectedString);
  }
}

function testEncodeAliases()
{
  var converter = CreateScriptableConverter();
  for (var i = 0; i < aliases.length; ++i) {
    checkEncode(converter, aliases[i], inString, expectedString);
  }
}

function testDecodeAliasesInternal()
{
  var converter = CreateScriptableConverter();
  converter.isInternal = true;
  for (var i = 0; i < aliases.length; ++i) {
    checkDecode(converter, aliases[i], inString, expectedString);
  }
}

function testEncodeAliasesInternal()
{
  var converter = CreateScriptableConverter();
  converter.isInternal = true;
  for (var i = 0; i < aliases.length; ++i) {
    checkEncode(converter, aliases[i], inString, expectedString);
  }
}