Issue 23694. Include 'docSummary' and 'docComplete' into CompletionSuggestion.

pkg/analysis_server/test/services/completion/prefixed_element_contributor_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 test.services.completion.invocation;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
@@ skipping 70 matching lines @@
     return computeFull((bool result) {
       assertSuggestInvocationGetter('length', 'int');
     });
   }
 
   @override
   void setUpContributor() {
     contributor = new PrefixedElementContributor();
   }
 
+  test_doc_method() {
+    addTestSource('''
+class C {
+  /// My method.
+  ///
+  /// Longer documentation.
+  void m() {}
+}
+void main() {new C().^}''');
+    return computeFull((bool result) {
+      CompletionSuggestion suggestion = assertSuggestMethod('m', 'C', 'void',
+          docSummaryMatcher: 'My method.',
+          docCompleteMatcher: 'My method.\n\nLonger documentation.');
+      expect(suggestion.requiredParameterCount, 0);
+      expect(suggestion.hasNamedParameters, false);
+    });
+  }
+
   test_enumConst() {
     addTestSource('enum E { one, two } main() {E.^}');
     return computeFull((bool result) {
       assertNotSuggested('E');
       assertSuggestEnumConst('one');
       assertSuggestEnumConst('two');
       assertNotSuggested('index');
       assertSuggestField('values', 'List<E>');
     });
   }
@@ skipping 565 matching lines @@
       assertNotSuggested('ms2');
       assertSuggestInvocationMethod('m', 'C2', null,
           relevance: DART_RELEVANCE_HIGH);
       assertNotSuggested('fi3');
       assertNotSuggested('fs3');
       assertNotSuggested('mi3');
       assertNotSuggested('ms3');
     });
   }
 }