Add summary support for ConstructorElement.nameEnd and .periodOffset.

pkg/analyzer/test/src/summary/summary_common.dart

 // Copyright (c) 2015, 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 analyzer.test.src.summary.summary_common;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/dart/scanner/reader.dart';
@@ skipping 2985 matching lines @@
   }
 
   test_constructor() {
     String text = 'class C { C(); }';
     UnlinkedExecutable executable =
         findExecutable('', executables: serializeClassText(text).executables);
     expect(executable.kind, UnlinkedExecutableKind.constructor);
     expect(executable.returnType, isNull);
     expect(executable.isExternal, isFalse);
     expect(executable.nameOffset, text.indexOf('C();'));
+    expect(executable.periodOffset, 0);
+    expect(executable.nameEnd, 0);
     expect(executable.isRedirectedConstructor, isFalse);
     expect(executable.redirectedConstructor, isNull);
     expect(executable.redirectedConstructorName, isEmpty);
     expect(executable.visibleOffset, 0);
     expect(executable.visibleLength, 0);
   }
 
   test_constructor_anonymous() {
     UnlinkedExecutable executable = findExecutable('',
         executables: serializeClassText('class C { C(); }').executables);
@@ skipping 381 matching lines @@
     _assertUnlinkedConst(param.defaultValue,
         operators: [UnlinkedConstOperation.pushInt], ints: [42]);
   }
 
   test_constructor_named() {
     String text = 'class C { C.foo(); }';
     UnlinkedExecutable executable = findExecutable('foo',
         executables: serializeClassText(text).executables);
     expect(executable.name, 'foo');
     expect(executable.nameOffset, text.indexOf('foo'));
+    expect(executable.periodOffset, text.indexOf('.foo'));
+    expect(executable.nameEnd, text.indexOf('()'));
   }
 
   test_constructor_non_const() {
     UnlinkedExecutable executable = findExecutable('',
         executables: serializeClassText('class C { C(); }').executables);
     expect(executable.isConst, isFalse);
   }
 
   test_constructor_non_factory() {
     UnlinkedExecutable executable = findExecutable('',
@@ skipping 3883 matching lines @@
 class _PrefixExpectation {
   final ReferenceKind kind;
   final String name;
   final String absoluteUri;
   final String relativeUri;
   final int numTypeParameters;
 
   _PrefixExpectation(this.kind, this.name,
       {this.absoluteUri, this.relativeUri, this.numTypeParameters: 0});
 }