Reify partial metadata.

dart/tests/compiler/dart2js/metadata_test.dart

 // Copyright (c) 2012, 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:uri");
 
 #import('compiler_helper.dart');
 
 #import('../../../lib/compiler/implementation/elements/elements.dart');
 #import('../../../lib/compiler/implementation/leg.dart');
 
 void testClassMetadata() {
   // TODO(ahe): native should be "const", not "final".
   final source = """final native = 'xyz';
                     @native class Foo {}
                     main() {}""";
 
   check(compiler, element) {
-    return; // TODO(ahe): I'm working on the following.
     Expect.isFalse(element.metadata.isEmpty());
     MetadataAnnotation annotation = element.metadata.head;
     Expect.isNotNull(annotation);
     Constant value = annotation.value;
-    print(value);
+    return; // TODO(ahe): I'm working on the following.
+    Expect.isNotNull(value);
   }
 
   compileAndCheck(source, 'Foo', check);
 }
 
+void testTopLevelMethodMetadata() {
+  // TODO(ahe): native should be "const", not "final".
+  final source = """final native = 'xyz';
+                    @native
+                    main() {}""";
+
+  check(compiler, element) {
+    Expect.isFalse(element.metadata.isEmpty());
+    MetadataAnnotation annotation = element.metadata.head;
+    Expect.isNotNull(annotation);
+    Constant value = annotation.value;
+    return; // TODO(ahe): I'm working on the following.
+    Expect.isNotNull(value);
+  }
+
+  compileAndCheck(source, 'main', check);
+}
+
 void main() {
   testClassMetadata();
+  testTopLevelMethodMetadata();
 }