Tests for matching constructors.

pkg/analyzer/lib/src/generated/incremental_resolver.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.
 
 library engine.incremental_resolver;
 
 import 'dart:collection';
 
 import 'ast.dart';
 import 'element.dart';
@@ skipping 126 matching lines @@
   }
 
   @override
   visitCompilationUnit(CompilationUnit node) {
     _processElement(_enclosingUnit);
     super.visitCompilationUnit(node);
   }
 
   @override
   visitConstructorDeclaration(ConstructorDeclaration node) {
+    _hasConstructor = true;
     ExecutableElement outerExecutable = _enclosingExecutable;
     try {
       SimpleIdentifier constructorName = node.name;
       if (constructorName == null) {
         _enclosingExecutable = _enclosingClass.unnamedConstructor;
       } else {
         _enclosingExecutable =
             _enclosingClass.getNamedConstructor(constructorName.name);
       }
       _processElement(_enclosingExecutable);
@@ skipping 874 matching lines @@
   visitElement(Element element) {
     _addElement(element);
     super.visitElement(element);
   }
 
   @override
   visitPropertyAccessorElement(PropertyAccessorElement element) {
     if (!element.isSynthetic) {
       _addElement(element);
     }
-    // Don't visit children (such as a synthetic setter parameter).
+    // Don't visit children (such as synthetic setter parameters).
   }
 
   @override
   visitPropertyInducingElement(PropertyInducingElement element) {
-    // TODO(scheglov) should we remove synthetic variable initializer?
-//    _addElement(element);
-//    element.getter.accept(this);
-//    element.setter.accept(this);
-//    _addElement(element.getter);
-//    _addElement(element.setter);
-  }
-
-  @override
-  visitTopLevelVariableElement(TopLevelVariableElement element) {
     if (!element.isSynthetic) {
       _addElement(element);
     }
+    // Don't visit children (such as property accessors).
   }
 
   void _addElement(Element element) {
     if (element != null) {
       matcher._allElements.add(element);
       matcher._unmatchedElements.add(element);
     }
   }
 }