Only add files that are match an analyzed files glob.

pkg/analysis_server/test/single_context_manager_test.dart

 // Copyright (c) 2016, 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.analysis_server.src.single_context_manager;
 
 import 'dart:core' hide Resource;
 
 import 'package:analysis_server/src/single_context_manager.dart';
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 229 matching lines @@
     // exclude "bbb/"
     manager.setRoots(<String>[project], <String>[folderB], <String, String>{});
     callbacks.assertContextPaths([project]);
     callbacks.assertContextFiles(project, [fileA]);
     // stop excluding "bbb/"
     manager.setRoots(<String>[project], <String>[], <String, String>{});
     callbacks.assertContextPaths([project]);
     callbacks.assertContextFiles(project, [fileA, fileB]);
   }
 
+  void test_setRoots_ignoreGlobs() {
+    String file1 = '$projPath/file.dart';
+    String file2 = '$projPath/file.foo';
+    // create files
+    resourceProvider.newFile(file1, '');
+    resourceProvider.newFile(file2, '');
+    // set roots
+    manager.setRoots(<String>[projPath], <String>[], <String, String>{});
+    callbacks.assertContextPaths([projPath]);
+    callbacks.assertContextFiles(projPath, [file1]);
+  }
+
   void test_setRoots_pathContainsDotFile() {
     // If the path to a file (relative to the context root) contains a folder
     // whose name begins with '.', then the file is ignored.
     String project = '/project';
     String fileA = '$project/foo.dart';
     String fileB = '$project/.pub/bar.dart';
     resourceProvider.newFile(fileA, '');
     resourceProvider.newFile(fileB, '');
     manager.setRoots(<String>[project], <String>[], <String, String>{});
     callbacks.assertContextPaths([project]);
@@ skipping 40 matching lines @@
         String relPath = resourceProvider.pathContext.joinAll(relSegments);
         Resource file = rootFolder.getChild(relPath);
         if (file is File && file.exists) {
           return file.createSource(uri);
         }
       }
     }
     return null;
   }
 }