Support --special-command test option. As a special case support --valgrind option.

tools/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 69 matching lines @@
       if (configuration["report"]) {
           SummaryReport.add(expectations);
       }
 
       if (expectations.contains(SKIP)) return;
 
       // The cc test runner takes options after the name of the test
       // to run.
       var args = [testName];
       args.addAll(TestUtils.standardOptions(configuration));
-      var timeout = configuration['timeout'];
 
       doTest(new TestCase(testName,
                           runnerPath,
                           args,
-                          timeout,
+                          configuration,
                           completeHandler,
                           expectations));
 
       receiveTestName.receive(testNameHandler);
     }
   }
 
   void forEachTest(Function onTest, [Function onDone]) {
     doTest = onTest;
     doDone = (ignore) => (onDone != null) ? onDone() : null;
@@ skipping 64 matching lines @@
     directoryPath = getDirname(directoryPath);
     Directory dir = new Directory(directoryPath);
     dir.errorHandler = (s) {
       throw s;
     };
     dir.fileHandler = processFile;
     dir.doneHandler = directoryListingDone;
     dir.list(recursive: listRecursively());
   }
 
-  Function makeTestCaseCreator(Map optionsFromFile, int timeout) {
+  Function makeTestCaseCreator(Map optionsFromFile, Map configuration) {
     return (String filename,
             bool isNegative,
             [bool isNegativeIfChecked = false,
              bool enableFatalTypeErrors = false]) {
       // Look up expectations in status files using a modified file path.
       String pathSeparator = new Platform().pathSeparator();
       String testName;
       int start = filename.lastIndexOf('src' + pathSeparator);
       if (start != -1) {
         testName = filename.substring(start + 4, filename.length - 5);
@@ skipping 23 matching lines @@
 
       isNegative = isNegative ||
           (configuration['checked'] && isNegativeIfChecked);
       var argumentLists = argumentListsFromFile(filename,
                                                 optionsFromFile,
                                                 enableFatalTypeErrors);
       for (var args in argumentLists) {
         doTest(new TestCase(testName,
                             shellPath(),
                             args,
-                            timeout,
+                            configuration,
                             completeHandler,
                             expectations,
                             isNegative));
       }
     };
   }
 
   void processFile(String filename) {
     if (!isTestFile(filename)) return;
 
     // Only run the tests that match the pattern.
     RegExp pattern = configuration['selectors'][suiteName];
     if (!pattern.hasMatch(filename)) return;
 
     var optionsFromFile = optionsFromFile(filename);
-    var timeout = configuration['timeout'];
-    Function createTestCase = makeTestCaseCreator(optionsFromFile, timeout);
+    Function createTestCase =
+        makeTestCaseCreator(optionsFromFile, configuration);
 
     if (optionsFromFile['isMultitest']) {
       bool supportsFatalTypeErrors = (configuration['component'] == 'dartc');
       testGeneratorStarted();
       DoMultitest(filename,
                   TestUtils.buildDir(configuration),
                   directoryPath,
                   supportsFatalTypeErrors,
                   createTestCase,
                   testGeneratorDone);
@@ skipping 291 matching lines @@
  * $noCrash tests are expected to be flaky but not crash
  * $pass tests are expected to pass
  * $failOk tests are expected to fail that we won't fix
  * $fail tests are expected to fail that we should fix
  * $crash tests are expected to crash that we should fix
  * $timeout tests are allowed to timeout\
 """;
     print(report);
   }
 }