Fork test scripts to support special runtime checkout.

testing/dart/test_suite.dart

 // Copyright (c) 2011, 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_suite");
 
 #import("status_file_parser.dart");
 #import("test_runner.dart");
 #import("multitest.dart");
 
@@ skipping 245 matching lines @@
 
   List<List<String>> argumentListsFromFile(String filename,
                                            Map optionsFromFile) {
     List args = TestUtils.standardOptions(configuration);
     args.addAll(additionalOptions());
 
     bool isMultitest = optionsFromFile["isMultitest"];
     List<String> dartOptions = optionsFromFile["dartOptions"];
     List<List<String>> vmOptionsList = optionsFromFile["vmOptions"];
     Expect.isTrue(!isMultitest || dartOptions == null);
-    args.addAll(dartOptions == null ? [filename] : dartOptions);
+    if (dartOptions == null) {
+      args.add(filename);
+    } else {
+      var filename = dartOptions[0];
+      // TODO(ager): Get rid of this hack when the runtime checkout goes away.
+      var file = new File(filename);
+      if (!file.existsSync()) {
+        filename = '../$filename';
+        Expect.isTrue(new File(filename).existsSync());
+        dartOptions[0] = filename;
+      }
+      args.addAll(dartOptions);
+    }
 
     var result = new List<List<String>>();
     Expect.isFalse(vmOptionsList.isEmpty(), "empty vmOptionsList");
     for (var vmOptions in vmOptionsList) {
       if (isMultitest) {
         // Make copy of vmOptions, since we will modify it at each iteration.
         vmOptions = new List<String>.from(vmOptions);
       }
       vmOptions.addAll(args);
       result.add(vmOptions);
@@ skipping 109 matching lines @@
       args.add("--enable_leg");
     }
     if (configuration["component"] == "dartc") {
       if (configuration["mode"] == "release") {
         args.add("--optimize");
       }
     }
     return args;
   }
 }