Fix test.dart problem when matching client status files when run from a subdirectory.

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 223 matching lines @@
       start = filename.lastIndexOf(pathSeparator);
       int middle = filename.lastIndexOf('_');
       testName = filename.substring(start + 1, middle) + pathSeparator +
           filename.substring(middle + 1, filename.length - 5);
     } else {
       // This case is hit by the dartc client compilation
       // tests. These tests are pretty broken compared to the
       // rest. They use the .dart suffix in the status files. They
       // find tests in weird ways (testing that they contain "#").
       // They need to be redone.
-      start = filename.indexOf(directoryPath);
-      testName = filename.substring(start + directoryPath.length + 1,
+      // directoryPath may start with '../'.
+      String sanitizedDirectoryPath = (directoryPath.startsWith('../')) ?
+          directoryPath.substring(3) : directoryPath;
+      start = filename.indexOf(sanitizedDirectoryPath);
+      testName = filename.substring(start + sanitizedDirectoryPath.length + 1,
                                     filename.length);
       if (configuration['component'] != 'dartc') {
         if (testName.endsWith('.dart')) {
           testName = testName.substring(0, testName.length - 5);
         }
       }
     }
     Set<String> expectations = testExpectations.expectations(testName);
     if (configuration['report']) {
       // Tests with multiple VMOptions are counted more than once.
       for (var dummy in optionsFromFile["vmOptions"]) {
         SummaryReport.add(expectations);
       }
     }
     if (expectations.contains(SKIP)) return;
 
     switch (configuration['component']) {
       case 'dartium':
       case 'chromium':
       case 'frogium':
-          enqueueBrowserTest(filename, testName,optionsFromFile,
+          enqueueBrowserTest(filename, testName, optionsFromFile,
                              expectations, isNegative);
         break;
       default:
         // Only dartc supports fatal type errors. Enable fatal type
         // errors with a flag and treat tests that have fatal type
         // errors as negative.
         var enableFatalTypeErrors =
             (info.hasFatalTypeErrors && configuration['component'] == 'dartc');
         var argumentLists = argumentListsFromFile(filename,
                                                   optionsFromFile,
@@ skipping 191 matching lines @@
   {
     String testUniqueName =
         testPath.substring(dartDir.length + 1, testPath.length - 5);
     testUniqueName = testUniqueName.replaceAll('/', '_');
     // Create '[build dir]/generated_tests/$component/$testUniqueName',
       // including any intermediate directories that don't exist.
     var generatedTestPath = ['generated_tests',
                              configuration['component'],
                              testUniqueName];
 
-    Directory tempDir;
-    String tempDirPath =
-        new File(TestUtils.buildDir(configuration)).fullPathSync();
+    String tempDirPath = TestUtils.buildDir(configuration);
+    Directory tempDir = new Directory(tempDirPath);
+    if (!tempDir.existsSync()) {
+      throw new Exception('Build directory $tempDirPath does not exist.');
+    }
+    tempDirPath = new File(tempDirPath).fullPathSync();
+
     for (String subdirectory in generatedTestPath) {
       tempDirPath = '$tempDirPath/$subdirectory';
       tempDir = new Directory(tempDirPath);
       if (!tempDir.existsSync()) {
         tempDir.createSync();
       }
     }
     return tempDir;
   }
 
@@ skipping 478 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);
   }
 }