Resolve initializers in constructors.

frog/tests/leg/src/mock_compiler.dart

 // Copyright (c) 2011, 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('mock_compiler');
 
 #import("../../../leg/leg.dart");
 #import("../../../leg/elements/elements.dart");
 #import("../../../leg/tree/tree.dart");
 #import("../../../leg/util/util.dart");
 #import("parser_helper.dart");
 
 class WarningMessage {
   Node node;
   Message message;
   WarningMessage(this.node, this.message);
+
+  toString() => message.toString();
 }
 
 final String DEFAULT_CORELIB = @'''
   lt() {} add(var a, var b) {} sub() {} mul() {} div() {} tdiv() {} mod() {}
   neg() {} shl() {} shr() {} eq() {} le() {} gt() {} ge() {}
   or() {} and() {} not() {} print(var obj) {}
   guard$num(x) { return true; }
   class int {}
   class double {}
   class bool {}
@@ skipping 61 matching lines @@
          link = link.tail) {
       universe.define(link.head);
     }
   }
 
   resolve(ClassElement element) {
     return resolver.resolveType(element);
   }
 }
 
+void compareWarningKinds(String text, expectedWarnings, foundWarnings) {
+  var fail = (message) => Expect.fail('$text: $message');
+  Iterator<MessageKind> expected = expectedWarnings.iterator();
+  Iterator<WarningMessage> found = foundWarnings.iterator();
+  while (expected.hasNext() && found.hasNext()) {
+    Expect.equals(expected.next(), found.next().message.kind);
+  }
+  if (expected.hasNext()) {
+    do {
+      print('Expected warning "${expected.next()}" did not occur');
+    } while (expected.hasNext());
+    fail('Too few warnings');
+  }
+  if (found.hasNext()) {
+    do {
+      print('Additional warning "${found.next()}"');
+    } while (found.hasNext());
+    fail('Too many warnings');
+  }
+}