Allow completions to wait for analysis without requiring a busy wait loop.

pkg/analysis_server/test/completion_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.completion.support;
 
 import 'dart:collection';
 
 import 'completion_test_support.dart';
 
@@ skipping 27 matching lines @@
 class A {!1int x; !2mth() {!3int y = this.!5x!6;}}class B{}''',
         <String>["1+A", "2+B", "3+x", "3-y", "5+mth", "6+x"],
         failingTests: '3');
 
     CompletionTestCase.buildTests('testCommentSnippets005', '''
 class Date { static Date JUN, JUL;}class X { m() { return Da!1te.JU!2L; }}''',
         <String>["1+Date", "2+JUN", "2+JUL"]);
 
     CompletionTestCase.buildTests('testCommentSnippets007', '''
 class C {mth(Map x, !1) {}mtf(!2, Map x) {}m() {for (in!3t i=0; i<5; i++); A!4 x;}}class int{}class Arrays{}class bool{}''',
-        <String>["1+bool", "2+bool", "3+int", "4+Arrays"], failingTests: '3');
+        <String>["1+bool", "2+bool", "3+int", "4+Arrays"],
+        failingTests: '3');
 
     CompletionTestCase.buildTests('testCommentSnippets008', '''
 class Date{}final num M = Dat!1''', <String>["1+Date"]);
 
     // space, char, eol are important
     CompletionTestCase.buildTests('testCommentSnippets009', '''
 class Map{}class Maps{}class x extends!5 !2M!3 !4implements!6 !1\n{}''',
         <String>[
             "1+Map",
             "2+Maps",
@@ skipping 34 matching lines @@
 
     CompletionTestCase.buildTests('testCommentSnippets017', '''
 class F {var x = !1false;}''', <String>["1+true"], failingTests: '1');
 
     CompletionTestCase.buildTests('testCommentSnippets018', '''
 class Map{}class Arrays{}class C{ m(!1){} n(!2 x, q)''',
         <String>["1+Map", "1-void", "1-null", "2+Arrays", "2-void", "2-null"],
         failingTests: '1');
 
     CompletionTestCase.buildTests('testCommentSnippets019', '''
-class A{m(){Object x;x.!1/**/clear()''',
-        <String>["1+toString"]);
+class A{m(){Object x;x.!1/**/clear()''', <String>["1+toString"]);
 
     CompletionTestCase.buildTests('testCommentSnippets020', '''
 classMap{}class tst {var newt;void newf(){}test() {var newz;new!1/**/;}}''',
         <String>["1+newt", "1+newf", "1+newz", "1-Map"],
         failingTests: '1');
 
     CompletionTestCase.buildTests('testCommentSnippets021', '''
 class Map{}class tst {var newt;void newf(){}test() {var newz;new !1/**/;}}''',
         <String>["1+Map", "1-newt"],
         failingTests: '1');
@@ skipping 2010 matching lines @@
             "1+library",
             "2+import",
             "3+export",
             "4+part",
             "5+as",
             "6+hide",
             "7+show",
             "8-null"],
         failingTests: '1234567');
 
-    // The following test is disabled because it prevents the Dart VM from
-    // exiting, for some unknown reason.  TODO(paulberry): fix this.
-//    // keywords
-//    CompletionTestCase.buildTests(
-//        'test018',
-//        '''!1part !2of foo;''',
-//        <String>["1+part", "2+of"],
-//        failingTests: '12');
+    // keywords
+    CompletionTestCase.buildTests(
+        'test018',
+        '''!1part !2of foo;''',
+        <String>["1+part", "2+of"],
+        failingTests: '12');
 
     CompletionTestCase.buildTests('test019', '''
 var truefalse = 0;
 var falsetrue = 1;
 main() {
   var foo = true!1
 }''', <String>["1+true", "1+truefalse", "1-falsetrue"], failingTests: '1');
 
     CompletionTestCase.buildTests(
         'test020',
@@ skipping 250 matching lines @@
         'test_classMembers_inGetter',
         '''class A { var fff; get z {ff!1}}''',
         <String>["1+fff"]);
 
     CompletionTestCase.buildTests(
         'testSingle',
         '''class A {int x; !2mth() {int y = this.x;}}class B{}''',
         <String>["2+B"]);
   }
 }