Compute frontend/backend specific constants.

tests/language/const_evaluation_test.dart

+// Copyright (c) 2014, 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.
+
+// Check that compile-time evaluation of constants is consistent with runtime
+// evaluation.
+
+import 'dart:mirrors';
+
+import 'package:expect/expect.dart';
+
+const top_const = identical(-0.0, 0);
+final top_final = identical(-0.0, 0);
+var top_var = identical(-0.0, 0);
+
+@top_const
+class C {
+  static const static_const = identical(-0.0, 0);
+  static final static_final = identical(-0.0, 0);
+  static var static_var = identical(-0.0, 0);
+
+  final instance_final = identical(-0.0, 0);
+  var instance_var = identical(-0.0, 0);
+
+  void test() {
+    const local_const = identical(-0.0, 0);
+    final local_final = identical(-0.0, 0);
+    var local_var = identical(-0.0, 0);
+
+    Expect.equals(identical(-0.0, 0), top_const);
+    Expect.equals(top_const, top_final);
+    Expect.equals(top_final, top_var);
+    Expect.equals(top_var, static_const);
+    Expect.equals(static_const, static_final);
+    Expect.equals(static_final, static_var);
+    Expect.equals(static_var, instance_final);
+    Expect.equals(instance_final, instance_var);
+    Expect.equals(instance_var, local_const);
+    Expect.equals(local_const, local_final);
+    Expect.equals(local_final, local_var);
+    var metadata = reflectClass(C).metadata[0].reflectee; /// 01: ok
+    Expect.equals(top_const, metadata);                   /// 01: continued
+    Expect.equals(local_var, metadata);                   /// 01: continued
+  }
+}
+
+void main() {
+  new C().test();
+}