invariant cleanup

tests/compiler/dart2js/exit_code_test.dart

 // Copyright (c) 2013, 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.
 
 // Test the exit code of dart2js in case of exceptions, errors, warnings, etc.
 
 import 'dart:async';
 import 'dart:io' show Platform;
 
 import 'package:async_helper/async_helper.dart';
@@ skipping 69 matching lines @@
     return super.processLoadedLibraries(loadedLibraries);
   }
 
   test(String marker) {
     if (marker == testMarker) {
       switch (testType) {
         case 'assert':
           onTest(testMarker, testType);
           assert(false);
           break;
-        case 'invariant':
+        case 'failedAt':
           onTest(testMarker, testType);
-          invariant(NO_LOCATION_SPANNABLE, false, message: marker);
+          failedAt(NO_LOCATION_SPANNABLE, marker);
           break;
         case 'warning':
           onTest(testMarker, testType);
           reporter.reportWarningMessage(
               NO_LOCATION_SPANNABLE, MessageKind.GENERIC, {'text': marker});
           break;
         case 'error':
           onTest(testMarker, testType);
           reporter.reportErrorMessage(
               NO_LOCATION_SPANNABLE, MessageKind.GENERIC, {'text': marker});
@@ skipping 160 matching lines @@
   assert((isCheckedMode = true));
 
   entry.enableWriteString = false;
 
   Map _expectedExitCode({bool beforeRun: false, bool fatalWarnings: false}) {
     if (beforeRun) {
       return {
         '': 0,
         'NoSuchMethodError': 253,
         'assert': isCheckedMode ? 253 : 0,
-        'invariant': 253
+        'failedAt': 253
       };
     }
 
     // duringRun:
     return {
       '': 0,
       'NoSuchMethodError': 253,
       'assert': isCheckedMode ? 253 : 0,
-      'invariant': 253,
+      'failedAt': 253,
       'warning': fatalWarnings ? 1 : 0,
       'error': 1,
       'internalError': 253,
     };
   }
 
   const beforeRun = false;
   const duringRun = true;
   final tests = {
     'Compiler': beforeRun,
@@ skipping 15 matching lines @@
 
       expected =
           _expectedExitCode(beforeRun: tests[marker], fatalWarnings: true);
       totalExpectedErrors += expected.length;
       await testExitCodes(marker, expected, ['--fatal-warnings']);
     }
 
     Expect.equals(totalExpectedErrors, checkedResults);
   });
 }