Fix for top level variable documention ranges.

pkg/analyzer/test/generated/all_the_rest_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.
 
 library engine.all_the_rest_test;
 
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/src/generated/ast.dart' hide ConstantEvaluator;
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/element.dart';
@@ skipping 6655 matching lines @@
     expect(variable.initializer, isNotNull);
     expect(variable.name, variableName);
     expect(variable.hasImplicitType, isTrue);
     expect(variable.isConst, isTrue);
     expect(variable.isFinal, isFalse);
     expect(variable.isSynthetic, isFalse);
     expect(variable.getter, isNotNull);
     expect(variable.setter, isNull);
   }
 
+  void test_visitVariableDeclaration_top_docRange() {
+    // final a, b;
+    ElementHolder holder = new ElementHolder();
+    ElementBuilder builder = new ElementBuilder(holder);
+    VariableDeclaration variableDeclaration1 =
+        AstFactory.variableDeclaration('a');
+    VariableDeclaration variableDeclaration2 =
+        AstFactory.variableDeclaration('b');
+    TopLevelVariableDeclaration topLevelVariableDeclaration = AstFactory
+        .topLevelVariableDeclaration(
+            Keyword.FINAL, null, [variableDeclaration1, variableDeclaration2]);
+    topLevelVariableDeclaration.documentationComment = AstFactory
+        .documentationComment(
+            [TokenFactory.tokenFromString('/// aaa')..offset = 50], []);
+
+    topLevelVariableDeclaration.accept(builder);
+    List<TopLevelVariableElement> variables = holder.topLevelVariables;
+    expect(variables, hasLength(2));
+
+    TopLevelVariableElement variable1 = variables[0];
+    expect(variable1, isNotNull);
+    _assertHasDocRange(variable1, 50, 7);
+
+    TopLevelVariableElement variable2 = variables[1];
+    expect(variable2, isNotNull);
+    _assertHasDocRange(variable2, 50, 7);
+  }
+
   void test_visitVariableDeclaration_top_final() {
     // final v;
     ElementHolder holder = new ElementHolder();
     ElementBuilder builder = new ElementBuilder(holder);
     String variableName = "v";
     VariableDeclaration variableDeclaration =
         AstFactory.variableDeclaration2(variableName, null);
     AstFactory.variableDeclarationList2(Keyword.FINAL, [variableDeclaration]);
     variableDeclaration.accept(builder);
     List<TopLevelVariableElement> variables = holder.topLevelVariables;
@@ skipping 2677 matching lines @@
     if (_expectedExternalScriptName == null) {
       expect(scriptSource, isNull, reason: "script $scriptIndex");
     } else {
       expect(scriptSource, isNotNull, reason: "script $scriptIndex");
       String actualExternalScriptName = scriptSource.shortName;
       expect(actualExternalScriptName, _expectedExternalScriptName,
           reason: "script $scriptIndex");
     }
   }
 }