Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/transformer/loads_different_configurations_from_the_same_isolate_test.dart

Index: sdk/lib/_internal/pub_generated/test/transformer/loads_different_configurations_from_the_same_isolate_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/transformer/loads_different_configurations_from_the_same_isolate_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/loads_different_configurations_from_the_same_isolate_test.dart
index bb6443053b69d6272f870adadfc0b85a40e76cc4..fc285095723399a27058420cd3444c1a8feed6a0 100644
--- a/sdk/lib/_internal/pub_generated/test/transformer/loads_different_configurations_from_the_same_isolate_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/loads_different_configurations_from_the_same_isolate_test.dart
@@ -1,11 +1,34 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS d.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 pub_tests;
+
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import '../serve/utils.dart';
+
 main() {
   initConfig();
   withBarbackVersions("any", () {
     integration("loads different configurations from the same isolate", () {
+      // If different configurations are loaded from different isolates, a
+      // transformer can end up being loaded twice. It's even possible for the
+      // second load to use code that's transformed by the first, which is
+      // really bad. This tests sets up such a scenario.
+      //
+      // The foo package has two self-transformers: foo/first and foo/second,
+      // loaded in that order. This means that *no instances of foo/first*
+      // should ever have their code transformed by foo/second.
+      //
+      // The myapp package also has a reference to foo/first. This reference has
+      // a different configuration than foo's, which means that if it's loaded
+      // in a separate isolate, it will be loaded after all of foo's
+      // transformers have run. This means that foo/first.dart will have been
+      // transformed by foo/first and foo/second, causing it to have different
+      // code than the previous instance. This tests asserts that that doesn't
+      // happen.
+
       d.dir("foo", [d.pubspec({
           "name": "foo",
           "version": "1.0.0",
@@ -20,6 +43,7 @@ main() {
                 [
                     d.file("first.dart", dartTransformer('foo/first')),
                     d.file("second.dart", dartTransformer('foo/second'))])]).create();
+
       d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "transformers": [{
@@ -38,19 +62,28 @@ main() {
             }
           }
         }),
-            d.dir(
-                "web",
-                [
-                    d.file("first.dart", 'const TOKEN = "myapp/first";'),
-                    d.file("second.dart", 'const TOKEN = "myapp/second";')])]).create();
+            d.dir("web", [// This is transformed by foo/first. It's used to see which
+          // transformers ran on foo/first.
+          d.file("first.dart", 'const TOKEN = "myapp/first";'),
+              // This is transformed by foo/second. It's used to see which
+          // transformers ran on foo/second.
+          d.file("second.dart", 'const TOKEN = "myapp/second";')])]).create();
+
       createLockFile('myapp', sandbox: ['foo'], pkg: ['barback']);
+
       pubServe();
+
+      // The version of foo/first used on myapp should have myapp's
+      // configuration and shouldn't be transformed by foo/second.
       requestShouldSucceed(
           "first.dart",
           'const TOKEN = "(myapp/first, foo/first in myapp)";');
+
+      // foo/second should be transformed by only foo/first.
       requestShouldSucceed(
           "second.dart",
           'const TOKEN = "(myapp/second, (foo/second, foo/first in foo))";');
+
       endPubServe();
     });
   });