Fixed utf8 encoding/decoding issues in the testing scripts

tools/testing/dart/test_progress.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test_progress;
 
 import "dart:io";
+import "http_server.dart" as http_server;
+import "status_file_parser.dart";
 import "test_runner.dart";
 import "test_suite.dart";
-import "status_file_parser.dart";
-import "http_server.dart" as http_server;
+import "utils.dart";
 
 class ProgressIndicator {
   ProgressIndicator(this._startTime, this._printTiming)
       : _tests = [], _failureSummary = [];
 
   factory ProgressIndicator.fromName(String name,
                                      Date startTime,
                                      bool printTiming) {
     switch (name) {
       case 'compact':
@@ skipping 159 matching lines @@
         prefix = '   ';
       }
     }
     if (!test.lastCommandOutput.stdout.isEmpty) {
       output.add('');
       output.add('stdout:');
       if (test.lastCommandOutput.command.isPixelTest) {
         output.add('DRT pixel test failed! stdout is not printed because it '
                    'contains binary data!');
       } else {
-        output.add(new String.fromCharCodes(test.lastCommandOutput.stdout));
+        output.add(decodeUtf8(test.lastCommandOutput.stdout));
       }
     }
     if (!test.lastCommandOutput.stderr.isEmpty) {
       output.add('');
       output.add('stderr:');
-      output.add(new String.fromCharCodes(test.lastCommandOutput.stderr));
+      output.add(decodeUtf8(test.lastCommandOutput.stderr));
     }
     if (test is BrowserTestCase) {
       // Additional command for rerunning the steps locally after the fact.
       output.add('To retest, run: '
           '${TestUtils.dartTestExecutable.toNativePath()} '
           '${TestUtils.dartDir().toNativePath()}/tools/testing/dart/'
           'http_server.dart -m ${test.configuration["mode"]} '
           '-a ${test.configuration["arch"]} '
           '-p ${http_server.TestingServerRunner.serverList[0].port} '
           '-c ${http_server.TestingServerRunner.serverList[1].port}');
@@ skipping 121 matching lines @@
       : super(startTime, printTiming);
 
   static int BOLD = 1;
   static int GREEN = 32;
   static int RED = 31;
   static int NONE = 0;
 
   addColorWrapped(List<int> codes, String string, int color) {
     codes.add(27);
     codes.addAll('[${color}m'.charCodes);
-    codes.addAll(string.charCodes);
+    codes.addAll(encodeUtf8(string));
     codes.add(27);
     codes.addAll('[0m'.charCodes);
   }
 
   void _printProgress() {
     var percent = ((_completedTests() / _foundTests) * 100).toInt().toString();
     var progressPadded = _pad(_allTestsKnown ? percent : '--', 3);
     var passedPadded = _pad(_passedTests.toString(), 5);
     var failedPadded = _pad(_failedTests.toString(), 5);
     Duration d = (new Date.now()).difference(_startTime);
     var progressLine = [];
     progressLine.addAll('\r[${_timeString(d)} | $progressPadded% | '.charCodes);
     addColorWrapped(progressLine, '+$passedPadded ', GREEN);
     progressLine.addAll('| '.charCodes);
     var failedColor = (_failedTests != 0) ? RED : NONE;
     addColorWrapped(progressLine, '-$failedPadded', failedColor);
     progressLine.addAll(']'.charCodes);
     stdout.write(progressLine);
   }
 
   String _header(String header) {
     var result = [];
     addColorWrapped(result, header, BOLD);
-    return new String.fromCharCodes(result);
+    return decodeUtf8(result);
   }
 }
 
 
 class LineProgressIndicator extends ProgressIndicator {
   LineProgressIndicator(Date startTime, bool printTiming)
       : super(startTime, printTiming);
 
   void _printStartProgress(TestCase test) {
   }
@@ skipping 115 matching lines @@
       print('');
       print('$config:');
       statuses.sort((a, b) => a.compareTo(b));
       for (String status in statuses) {
         print('  $status');
       }
     });
     _printStatus();
   }
 }