Add tests for evalutating against activation records.

runtime/observatory/tests/service/test_helper.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.
 // VMOptions=--compile-all --error_on_bad_type --error_on_bad_override --checked
 
 library test_helper;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
@@ skipping 50 matching lines @@
           first = false;
           print('** Signaled to run test queries on $portNumber');
         }
         print(line);
       });
       process.stderr.transform(UTF8.decoder)
                     .transform(new LineSplitter()).listen((line) {
         print(line);
       });
       process.exitCode.then((exitCode) {
+        final success = 0;
+        final killed = -15;

[rmacnak, 2015/04/10 22:36:44]

This might be different on Windows...

[rmacnak, 2015/04/16 20:47:35]

Of course we can keep track of whether we killed the testee. Do that instead.

+        if (exitCode != success && exitCode != killed) {
+          throw "Testee exited with $exitCode";
+        }
         print("** Process exited");
       });
       return completer.future;
     });
   }
 
   void requestExit() {
     print('** Killing script');
     process.kill();
   }
@@ skipping 98 matching lines @@
             })).then((_) => process.requestExit());
       }, onError: (e, st) {
         if (!_isWebSocketDisconnect(e)) {
           print('Unexpected exception in service tests: $e $st');
           throw e;
         }
       });
     });
   }
 }