- Return exit code 253 in case of API errors during loading. This

tools/testing/dart/test_runner.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.
 
 /**
  * Classes and methods for executing tests.
  *
  * This module includes:
  * - Managing parallel execution of tests, including timeout checks.
  * - Evaluating the output of each test as pass/fail/crash/timeout.
@@ skipping 925 matching lines @@
     diagnostics = [];
   }
 
   Expectation result(TestCase testCase) {
     if (hasCrashed) return Expectation.CRASH;
     if (hasTimedOut) return Expectation.TIMEOUT;
     return hasFailed(testCase) ? Expectation.FAIL : Expectation.PASS;
   }
 
   bool get hasCrashed {
-    // The Java dartc runner and dart2js exits with code 253 in case
-    // of unhandled exceptions.
+    // dart2js exits with code 253 in case of unhandled exceptions.
+    // The dart binary exits with code 253 in case of an API error such
+    // as an invalid snapshot file.

[ricow1, 2015/02/05 14:00:42]

dart2js exits with code 253 in case of a compiler failure.
The dart binary ....
Both are considered crashes.

[Ivan Posva, 2015/02/05 14:26:24]

Done.

     if (exitCode == 253) return true;
     if (io.Platform.operatingSystem == 'windows') {
       // The VM uses std::abort to terminate on asserts.
       // std::abort terminates with exit code 3 on Windows.
       if (exitCode == 3 || exitCode == CRASHING_BROWSER_EXITCODE) {
         return !timedOut;
       }
       // If a program receives an uncaught system exception, the program
       // terminates with the exception code as exit code.
       // The 0x3FFFFF00 mask here tries to determine if an exception indicates
@@ skipping 1995 matching lines @@
     }
   }
 
   void eventAllTestsDone() {
     for (var listener in _eventListener) {
       listener.allDone();
     }
     _allDone();
   }
 }