Add metadata for type parameters (TypeVariableMirror).

tests/lib/mirrors/typevariable_mirror_metadata_test.dart

Index: tests/lib/mirrors/typevariable_mirror_metadata_test.dart
diff --git a/tests/lib/mirrors/typevariable_mirror_metadata_test.dart b/tests/lib/mirrors/typevariable_mirror_metadata_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..77f226b02bf6fcdb2577f4e8fe255501bf635426
--- /dev/null
+++ b/tests/lib/mirrors/typevariable_mirror_metadata_test.dart
@@ -0,0 +1,48 @@
+// 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.typevariable_metadata_test;
+
+import "dart:mirrors";
+
+import "metadata_test.dart";
+
+const m1 = 'm1';
+const m2 = const Symbol('m2');
+const m3 = 3;
+
+class A <S, @m1 @m2 T> {
+  // TODO(13327): Remove this once the name collision is prohibited by the
+  // compiler/runtime.
+  @m3
+  T() => null;
+}
+
+class B <@m3 T> {
+  // TODO(13327): Remove this once the name collision is prohibited by the
+  // compiler/runtime.
+  @m1
+  @m2
+  var T;
+}
+
+typedef bool Predicate<@m1 @m2 G>(G a);
+
+main() {
+  ClassMirror cm;
+  cm = reflectClass(A);
+  checkMetadata(cm.typeVariables[const Symbol('S')], []);
+  checkMetadata(cm.typeVariables[const Symbol('T')], [m1, m2]);
+  // Check for conflicts.
+  checkMetadata(cm.methods[const Symbol('T')], [m3]);
+
+  cm = reflectClass(B);
+  checkMetadata(cm.typeVariables[const Symbol('T')], [m3]);
+  // Check for conflicts.
+  checkMetadata(cm.members[const Symbol('T')], [m1, m2]);
+
+  TypedefMirror tm = reflectClass(Predicate);
+  FunctionTypeMirror ftm = tm.referent;
+  checkMetadata(ftm.typeVariables[const Symbol('G')], [m1, m2]);
+}