Handle switch continue

tests/compiler/dart2js/equivalence/id_equivalence_helper.dart

 // Copyright (c) 2017, 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.
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:compiler/src/common.dart';
 import 'package:compiler/src/common_elements.dart';
 import 'package:compiler/src/compiler.dart';
@@ skipping 154 matching lines @@
   }
 }
 
 /// Check code for all test files int [data] using [computeFromAst] and
 /// [computeFromKernel] from the respective front ends. If [skipForKernel]
 /// contains the name of the test file it isn't tested for kernel.
 Future checkTests(Directory dataDir, ComputeMemberDataFunction computeFromAst,
     ComputeMemberDataFunction computeFromKernel,
     {List<String> skipForKernel: const <String>[],
     List<String> options: const <String>[],
-    bool verbose: false}) async {
+    List<String> args: const <String>[]}) async {
+  args = args.toList();
+  bool verbose = args.remove('-v');
   await for (FileSystemEntity entity in dataDir.list()) {
+    String name = entity.uri.pathSegments.last;
+    if (args.isNotEmpty && !args.contains(name)) continue;
     print('----------------------------------------------------------------');
     print('Checking ${entity.uri}');
     print('----------------------------------------------------------------');
     String annotatedCode = await new File.fromUri(entity.uri).readAsString();
     print('--from ast------------------------------------------------------');
     await checkCode(annotatedCode, computeFromAst, compileFromSource,
         options: options, verbose: verbose);
-    if (skipForKernel.contains(entity.uri.pathSegments.last)) {
+    if (skipForKernel.contains(name)) {
       print('--skipped for kernel------------------------------------------');
       continue;
     }
     print('--from kernel---------------------------------------------------');
     await checkCode(annotatedCode, computeFromKernel, compileFromDill,
         options: options, verbose: verbose);
   }
 }
 
 /// Compiles the [annotatedCode] with the provided [options] and calls
@@ skipping 83 matching lines @@
       id = new NodeId(annotation.offset);
       expected = text;
     } else {
       id = new ElementId(text.substring(0, colonPos));
       expected = text.substring(colonPos + 1);
     }
     map[id] = expected;
   }
   return map;
 }