michael@0: /* Test case for bug 563618
michael@0:  *
michael@0:  * Uses nsIConverterInputStream to decode invalid EUC-JP text
michael@0:  *
michael@0:  */
michael@0: 
michael@0: const test = [
michael@0: // 0: 0x8e followed by hi byte, not valid JIS X 0201
michael@0: 	      ["abcdefghijklmnopqrstuvwxyz12test00%8e%80foobar",
michael@0: //    expected: one replacement character, invalid byte eaten
michael@0:                "abcdefghijklmnopqrstuvwxyz12test00\uFFFDfoobar"],
michael@0: // 1: 0x8e followed by ASCII
michael@0: 	      ["abcdefghijklmnopqrstuvwxyz12test01%8efoobar",
michael@0: //    expected: one replacement character, invalid byte not eaten
michael@0:                "abcdefghijklmnopqrstuvwxyz12test01\uFFFDfoobar"],
michael@0: // 2: JIS X 0208 lead byte followed by invalid hi byte
michael@0:               ["abcdefghijklmnopqrstuvwxyz12test02%bf%80foobar",
michael@0: //    expected: one replacement character, invalid byte eaten
michael@0: 	       "abcdefghijklmnopqrstuvwxyz12test02\uFFFDfoobar"],
michael@0: // 3: JIS X 0208 lead byte followed by ASCII
michael@0:               ["abcdefghijklmnopqrstuvwxyz12test03%bffoobar",
michael@0: //    expected: one replacement character, invalid byte not eaten
michael@0: 	       "abcdefghijklmnopqrstuvwxyz12test03\uFFFDfoobar"]];
michael@0: 
michael@0: const IOService = Components.Constructor("@mozilla.org/network/io-service;1",
michael@0:                                          "nsIIOService");
michael@0: const ConverterInputStream =
michael@0:       Components.Constructor("@mozilla.org/intl/converter-input-stream;1",
michael@0:                              "nsIConverterInputStream",
michael@0:                              "init");
michael@0: const ios = new IOService();
michael@0: 
michael@0: function testCase(testText, expectedText, bufferLength, charset)
michael@0: {
michael@0:   var dataURI = "data:text/plain;charset=" + charset + "," + testText;
michael@0: 
michael@0:   var channel = ios.newChannel(dataURI, "", null);
michael@0:   var testInputStream = channel.open();
michael@0:   var testConverter = new ConverterInputStream(testInputStream,
michael@0:                                                charset,
michael@0:                                                bufferLength,
michael@0:                                                0xFFFD);
michael@0: 
michael@0:   if (!(testConverter instanceof
michael@0:         Components.interfaces.nsIUnicharLineInputStream))
michael@0:     throw "not line input stream";
michael@0: 
michael@0:   var outStr = "";
michael@0:   var more;
michael@0:   do {
michael@0:     // read the line and check for eof
michael@0:     var line = {};
michael@0:     more = testConverter.readLine(line);
michael@0:     outStr += line.value;
michael@0:   } while (more);
michael@0: 
michael@0:   if (outStr != expectedText) {
michael@0:     dump("Failed with bufferLength = " + bufferLength + "\n");
michael@0:     if (outStr.length == expectedText.length) {
michael@0:       for (i = 0; i < outStr.length; ++i) {
michael@0: 	if (outStr.charCodeAt(i) != expectedText.charCodeAt(i)) {
michael@0: 	  dump(i + ": " + outStr.charCodeAt(i).toString(16) + " != " + expectedText.charCodeAt(i).toString(16) + "\n");
michael@0: 	}
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // escape the strings before comparing for better readability
michael@0:   do_check_eq(escape(outStr), escape(expectedText));
michael@0: }
michael@0: 
michael@0: function run_test()
michael@0: {
michael@0:   for (var i = 0; i < test.length; ++i) {
michael@0:     for (var bufferLength = 32; bufferLength < 40; ++ bufferLength) {
michael@0:       testCase(test[i][0], test[i][1], bufferLength, "EUC-JP");
michael@0:     }
michael@0:   }
michael@0: }