Add cross-origin test with credentials.

tools/test.dart

 #!/usr/bin/env 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.
 
 /**
  * This file is the entrypoint of the dart test suite.  This suite is used
  * to test:
  *
  *     1. the dart vm
@@ skipping 63 matching lines @@
 
   // Extract global options from first configuration.
   var firstConf = configurations[0];
   Map<String, RegExp> selectors = firstConf['selectors'];
   var maxProcesses = firstConf['tasks'];
   var progressIndicator = firstConf['progress'];
   BuildbotProgressIndicator.stepName = firstConf['step_name'];
   var verbose = firstConf['verbose'];
   var printTiming = firstConf['time'];
   var listTests = firstConf['list'];
-  
+
   if (!firstConf['append_flaky_log'])  {
     var file = new File(TestUtils.flakyFileName());
     if (file.existsSync()) {
       file.deleteSync();
     }
   }
 
   // Print the configurations being run by this execution of
   // test.dart. However, don't do it if the silent progress indicator
   // is used. This is only needed because of the junit tests.
@@ skipping 29 matching lines @@
 
     for (final testSuiteDir in TEST_SUITE_DIRECTORIES) {
       final name = testSuiteDir.filename;
       if (selectors.containsKey(name)) {
         queue.addTestSuite(
             new StandardTestSuite.forDirectory(conf, testSuiteDir));
       }
     }
   }
 
-  // Start global http server that serves the entire dart repo.
-  // The http server is available on localhost:9876 for any
+  // Start global http servers that serve the entire dart repo.
+  // The http server is available on localhost:9876 and localhost:5432 for any
   // test that needs to load resources from the repo over http.
+  List serverList = [];
   if (!listTests) {
     // Only start the server if we are running browser tests.
     var runningBrowserTests = configurations.some((config) {
       return TestUtils.isBrowserRuntime(config['runtime']);
     });
-    if (runningBrowserTests) startHttpServer('127.0.0.1', 9876);
+    if (runningBrowserTests) {
+      serverList.add(
+          startHttpServer('127.0.0.1', SERVER_PORT_ONE, SERVER_PORT_TWO));

[Mads Ager (google), 2013/01/02 10:09:50]

Instead of passing in two ports here, we could return two ports. If you call
listen on HttpServer without a port argument, it will use any available port.
That port can the be retrieved from the HttpServer instance and be returned
here. Those two port numbers can then be used in the URL for the test so that
the tests themselves are independent of the actual port numbers. That would
avoid issues when the hard-coded port numbers are already in use (either because
of other test scripts running or because those ports are used for other things).

[Emily Fortuna, 2013/01/04 00:51:03]

Done.

+      // We start two servers so that we can test cross-domain tests.
+      serverList.add(
+          startHttpServer('127.0.0.1', SERVER_PORT_TWO, SERVER_PORT_ONE));
+    }
   }
 
   // Start process queue.
   new ProcessQueue(maxProcesses,
                    progressIndicator,
                    startTime,
                    printTiming,
                    enqueueConfiguration,
-                   () => terminateHttpServer(),
+                   () => terminateHttpServers(serverList),
                    verbose,
                    listTests);
 }