import directive suggestion fix

pkg/analysis_server/test/services/completion/completion_test_util.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.util;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol.dart' as protocol show Element,
     ElementKind;
@@ skipping 38 matching lines @@
     int nextOffset = content.indexOf('^', completionOffset + 1);
     expect(nextOffset, equals(-1), reason: 'too many ^');
     content = content.substring(0, completionOffset) +
         content.substring(completionOffset + 1);
     testSource = addSource(testFile, content);
     request =
         new DartCompletionRequest(context, searchEngine, testSource, completionOffset);
   }
 
   void assertNoSuggestions() {
-    expect(request.suggestions, hasLength(0));
+    if (request.suggestions.length > 0) {
+      _failedCompletion('Expected no suggestions', request.suggestions);
+    }
   }
 
   CompletionSuggestion assertNotSuggested(String completion) {
     CompletionSuggestion suggestion = request.suggestions.firstWhere(
         (cs) => cs.completion == completion,
         orElse: () => null);
     if (suggestion != null) {
       _failedCompletion(
           'did not expect completion: $completion\n  $suggestion');
     }
@@ skipping 306 matching lines @@
 
   CompletionSuggestion assertSuggestImportedClass(String name,
       [CompletionRelevance relevance = CompletionRelevance.DEFAULT]) {
     if (computer is ImportedComputer) {
       return assertSuggestClass(name, relevance);
     } else {
       return assertNotSuggested(name);
     }
   }
 
+  CompletionSuggestion assertSuggestImportedFunction(String name,
+      String returnType, [bool isDeprecated = false, CompletionRelevance relevance =
+      CompletionRelevance.DEFAULT]) {
+    if (computer is ImportedComputer) {
+      return assertSuggestFunction(name, returnType, isDeprecated, relevance);
+    } else {
+      return assertNotSuggested(name);
+    }
+  }
+
   CompletionSuggestion assertSuggestImportedTopLevelVar(String name,
       String returnType, [CompletionRelevance relevance =
       CompletionRelevance.DEFAULT]) {
     if (computer is ImportedComputer) {
       return assertSuggestTopLevelVar(name, returnType, relevance);
     } else {
       return assertNotSuggested(name);
     }
-  }
-
-  CompletionSuggestion assertSuggestImportedFunction(String name,
-      String returnType, [bool isDeprecated = false, CompletionRelevance relevance =
-      CompletionRelevance.DEFAULT]) {
-    if (computer is ImportedComputer) {
-      return assertSuggestFunction(name, returnType, isDeprecated, relevance);
-    } else {
-      return assertNotSuggested(name);
-    }
   }
 
   CompletionSuggestion assertSuggestInvocationClass(String name,
       [CompletionRelevance relevance = CompletionRelevance.DEFAULT]) {
     if (computer is InvocationComputer) {
       return assertSuggestClass(name, relevance);
     } else {
       return assertNotSuggested(name);
     }
   }
@@ skipping 267 matching lines @@
     return computeFull(true).then((_) {
       assertSuggestNamedConstructor('c', 'X');
       assertSuggestNamedConstructor('_d', 'X');
       assertNotSuggested('F1');
       assertNotSuggested('T1');
       assertNotSuggested('z');
       assertNotSuggested('m');
     });
   }
 
+  test_ImportDirective_dart() {
+    // SimpleStringLiteral  ImportDirective
+    addTestSource('''
+      import "dart^";
+      main() {}''');
+    computeFast();
+    return computeFull(true).then((_) {
+      assertNoSuggestions();
+    });
+  }
+
   test_InstanceCreationExpression_imported() {
     // SimpleIdentifier  TypeName  ConstructorName  InstanceCreationExpression
     addSource('/testA.dart', '''
       int T1;
       F1() { }
       class A {int x;}''');
     addTestSource('''
       import "/testA.dart";
       int T2;
       F2() { }
@@ skipping 258 matching lines @@
     addTestSource('''
       import "/testB.dart";
       class Y {Y.c(); Y._d(); z() {}}
       main() {var ^}''');
     computeFast();
     return computeFull(true).then((_) {
       assertNoSuggestions();
     });
   }
 }