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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"
);
}
}
}
Assert.equal(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"
);
}
}
}
Assert.equal(outText, expectedText);
}
function testDecodeAliases(aliases, inString, expectedString) {
var converter = CreateScriptableConverter();
for (var i = 0; i < aliases.length; ++i) {
checkDecode(converter, aliases[i], inString, expectedString);
}
}
function testEncodeAliases(aliases, inString, expectedString) {
var converter = CreateScriptableConverter();
for (var i = 0; i < aliases.length; ++i) {
checkEncode(converter, aliases[i], inString, expectedString);
}
}
function testDecodeAliasesInternal(aliases, inString, expectedString) {
var converter = CreateScriptableConverter();
converter.isInternal = true;
for (var i = 0; i < aliases.length; ++i) {
checkDecode(converter, aliases[i], inString, expectedString);
}
}
function testEncodeAliasesInternal(aliases, inString, expectedString) {
var converter = CreateScriptableConverter();
converter.isInternal = true;
for (var i = 0; i < aliases.length; ++i) {
checkEncode(converter, aliases[i], inString, expectedString);
}
}