improve keyword suggestions

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/protocol.dart';
 import 'package:analysis_server/src/services/completion/completion_manager.dart';
@@ skipping 43 matching lines @@
         source,
         context.computeLibraryElement(source));
   }
 
   @override
   void setUp() {
     super.setUp();
     index = createLocalMemoryIndex();
     searchEngine = new SearchEngineImpl(index);
     source = addSource('/does/not/exist.dart', '');
-    manager = new DartCompletionManager(context, searchEngine, source, 17);
+    manager = new DartCompletionManager(context, searchEngine, source, 0);
     suggestion1 = new CompletionSuggestion(
         CompletionSuggestionKind.CLASS,
         CompletionRelevance.DEFAULT,
         "suggestion1",
         1,
         1,
         false,
         false);
     suggestion2 = new CompletionSuggestion(
         CompletionSuggestionKind.CLASS,
         CompletionRelevance.DEFAULT,
         "suggestion2",
         2,
         2,
         false,
         false);
   }
 
   test_compute_fastAndFull() {
     computer1 = new MockCompletionComputer(suggestion1, null);
     computer2 = new MockCompletionComputer(null, suggestion2);
     manager.computers = [computer1, computer2];
     int count = 0;
     bool done = false;
     manager.results().listen((CompletionResult r) {
       switch (++count) {
         case 1:
-          computer1.assertCalls(context, source, 17, searchEngine);
-          computer2.assertCalls(context, source, 17, searchEngine);
+          computer1.assertCalls(context, source, 0, searchEngine);
+          computer2.assertCalls(context, source, 0, searchEngine);
           expect(r.last, isFalse);
           expect(r.suggestions, hasLength(1));
           expect(r.suggestions, contains(suggestion1));
           resolveLibrary();
           break;
         case 2:
           computer1.assertFull(0);
           computer2.assertFull(1);
           expect(r.last, isTrue);
           expect(r.suggestions, hasLength(2));
@@ skipping 14 matching lines @@
 
   test_compute_fastOnly() {
     computer1 = new MockCompletionComputer(suggestion1, null);
     computer2 = new MockCompletionComputer(suggestion2, null);
     manager.computers = [computer1, computer2];
     int count = 0;
     bool done = false;
     manager.results().listen((CompletionResult r) {
       switch (++count) {
         case 1:
-          computer1.assertCalls(context, source, 17, searchEngine);
-          computer2.assertCalls(context, source, 17, searchEngine);
+          computer1.assertCalls(context, source, 0, searchEngine);
+          computer2.assertCalls(context, source, 0, searchEngine);
           expect(r.last, isTrue);
           expect(r.suggestions, hasLength(2));
           expect(r.suggestions, contains(suggestion1));
           expect(r.suggestions, contains(suggestion2));
           break;
         default:
           fail('unexpected');
       }
     }, onDone: () {
       done = true;
@@ skipping 42 matching lines @@
   @override
   Future<bool> computeFull(DartCompletionRequest request) {
     this.request = request;
     fullCount++;
     if (fullSuggestion != null) {
       request.suggestions.add(fullSuggestion);
     }
     return new Future.value(fullSuggestion != null);
   }
 }