When ClassMirrors are created by enumerating members of a LibraryMirror, have the ClassMirror use t…

tests/lib/mirrors/hierarchy_invariants_test.dart

 // Copyright (c) 2013, 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.hierarchy_invariants_test;
 
 import 'dart:mirrors';
 
 import 'package:expect/expect.dart';
 
 isAnonymousMixinApplication(classMirror) {
   return MirrorSystem.getName(classMirror.simpleName).contains(' with ');
 }
 
-check(classMirror) {
-  if (classMirror is TypedefMirror) return;
-
+checkClass(classMirror) {
   Expect.isTrue(classMirror.simpleName is Symbol);
   Expect.notEquals(null, classMirror.owner);
   Expect.isTrue(classMirror.owner is LibraryMirror);
   if (!isAnonymousMixinApplication(classMirror)) {
     Expect.equals(classMirror.originalDeclaration,
                   classMirror.owner.declarations[classMirror.simpleName]);
   } else {
     Expect.isNull(classMirror.owner.declarations[classMirror.simpleName]);
   }
   Expect.isTrue(classMirror.superinterfaces is List);
   if (classMirror.superclass == null) {
     Expect.equals(reflectClass(Object), classMirror);
   } else {
-    check(classMirror.superclass);
+    checkClass(classMirror.superclass);
   }
 }
 
+checkLibrary(libraryMirror) {
+  libraryMirror.declarations.values
+      .where((d) => d is ClassMirror)
+      .forEach(checkClass);
+}
+
 main() {
-  currentMirrorSystem().libraries.values.forEach((libraryMirror) {
-    libraryMirror.declarations.values.forEach((declaration) {
-      if (declaration is ClassMirror) check(declaration);
-    });
-  });
-
-  Expect.throws(() => reflectClass(dynamic),
-                (e) => e is ArgumentError,
-                'dynamic is not a class');
+  currentMirrorSystem().libraries.values.forEach(checkLibrary);
 }