only send final completion notification

pkg/analysis_server/test/services/completion/completion_computer_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.suggestion;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/protocol.dart';
@@ skipping 76 matching lines @@
     int count = 0;
     bool done = false;
     AnalysisServer server = new AnalysisServerMock(searchEngine: searchEngine);
     CompletionRequest completionRequest =
         new CompletionRequestImpl(server, context, source, 0);
     manager.results(completionRequest).listen((CompletionResult r) {
       bool isLast = r is CompletionResultImpl ? r.isLast : true;
       switch (++count) {
         case 1:
           contributor1.assertCalls(context, source, 0, searchEngine);
+          expect(contributor1.fastCount, equals(1));
+          expect(contributor1.fullCount, equals(0));
           contributor2.assertCalls(context, source, 0, searchEngine);
-          expect(isLast, isFalse);
-          expect(r.suggestions, hasLength(1));
-          expect(r.suggestions, contains(suggestion1));
-          resolveLibrary();
-          break;
-        case 2:
-          contributor1.assertFull(0);
-          contributor2.assertFull(1);
+          expect(contributor2.fastCount, equals(1));
+          expect(contributor2.fullCount, equals(1));
           expect(isLast, isTrue);
           expect(r.suggestions, hasLength(2));
           expect(r.suggestions, contains(suggestion1));
           expect(r.suggestions, contains(suggestion2));
+          resolveLibrary();
           break;
         default:
           fail('unexpected');
       }
     }, onDone: () {
       done = true;
-      expect(count, equals(2));
+      // There is only one notification
+      expect(count, equals(1));
     });
     return pumpEventQueue().then((_) {
       expect(done, isTrue);
     });
   }
 
   test_compute_fastOnly() {
     contributor1 = new MockCompletionContributor(suggestion1, null);
     contributor2 = new MockCompletionContributor(suggestion2, null);
     manager.contributors = [contributor1, contributor2];
     int count = 0;
     bool done = false;
     AnalysisServer server = new AnalysisServerMock(searchEngine: searchEngine);
     CompletionRequest completionRequest =
         new CompletionRequestImpl(server, context, source, 0);
     manager.results(completionRequest).listen((CompletionResult r) {
       bool isLast = r is CompletionResultImpl ? r.isLast : true;
       switch (++count) {
         case 1:
           contributor1.assertCalls(context, source, 0, searchEngine);
+          expect(contributor1.fastCount, equals(1));
+          expect(contributor1.fullCount, equals(0));
           contributor2.assertCalls(context, source, 0, searchEngine);
+          expect(contributor2.fastCount, equals(1));
+          expect(contributor2.fullCount, equals(0));
           expect(isLast, isTrue);
           expect(r.suggestions, hasLength(2));
           expect(r.suggestions, contains(suggestion1));
           expect(r.suggestions, contains(suggestion2));
           break;
         default:
           fail('unexpected');
       }
     }, onDone: () {
       done = true;
@@ skipping 15 matching lines @@
 
 class MockCompletionContributor extends DartCompletionContributor {
   final CompletionSuggestion fastSuggestion;
   final CompletionSuggestion fullSuggestion;
   int fastCount = 0;
   int fullCount = 0;
   DartCompletionRequest request;
 
   MockCompletionContributor(this.fastSuggestion, this.fullSuggestion);
 
-  assertCalls(AnalysisContext context, Source source, int offset,
-      SearchEngine searchEngine) {
+  assertCalls(AnalysisContext context, Source source, int offset, SearchEngine searchEngine) {
     expect(request.context, equals(context));
     expect(request.source, equals(source));
     expect(request.offset, equals(offset));
     expect(request.searchEngine, equals(searchEngine));
-    expect(this.fastCount, equals(1));
-    expect(this.fullCount, equals(0));
   }
 
   assertFull(int fullCount) {
     expect(this.fastCount, equals(1));
     expect(this.fullCount, equals(fullCount));
   }
 
   @override
   bool computeFast(DartCompletionRequest request) {
     this.request = request;
     fastCount++;
     if (fastSuggestion != null) {
       request.addSuggestion(fastSuggestion);
     }
     return fastSuggestion != null;
   }
 
   @override
   Future<bool> computeFull(DartCompletionRequest request) {
     this.request = request;
     fullCount++;
     if (fullSuggestion != null) {
       request.addSuggestion(fullSuggestion);
     }
     return new Future.value(fullSuggestion != null);
   }
 }