support part file completions

pkg/analysis_server/test/domain_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.domain.completion;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/channel/channel.dart';
@@ skipping 345 matching lines @@
     ''');
     return getSuggestions().then((_) {
       expect(replacementOffset, equals(completionOffset));
       expect(replacementLength, equals(0));
       assertHasResult(CompletionSuggestionKind.INVOCATION, 'Object');
       assertHasResult(CompletionSuggestionKind.INVOCATION, 'HtmlElement');
       assertNoResult('test');
     });
   }
 
+  test_partFile() {
+    addFile('/project/bin/testA.dart', '''
+      library libA;
+      part "$testFile";
+      import 'dart:html';
+      class A { }
+    ''');
+    addTestFile('''
+      part of libA;
+      main() {^}''');
+    return getSuggestions().then((_) {
+      expect(replacementOffset, equals(completionOffset));
+      expect(replacementLength, equals(0));
+      assertHasResult(CompletionSuggestionKind.INVOCATION, 'Object');
+      assertHasResult(CompletionSuggestionKind.INVOCATION, 'HtmlElement');
+      assertHasResult(CompletionSuggestionKind.INVOCATION, 'A');
+      assertNoResult('test');
+    });
+  }
+
+  test_partFile2() {
+    addFile('/testA.dart', '''
+      part of libA;
+      class A { }''');
+    addTestFile('''
+      library libA;
+      part "/testA.dart";
+      import 'dart:html';
+      main() {^}
+    ''');
+    return getSuggestions().then((_) {
+      expect(replacementOffset, equals(completionOffset));
+      expect(replacementLength, equals(0));
+      assertHasResult(CompletionSuggestionKind.INVOCATION, 'Object');
+      assertHasResult(CompletionSuggestionKind.INVOCATION, 'HtmlElement');
+      assertHasResult(CompletionSuggestionKind.INVOCATION, 'A');
+      assertNoResult('test');
+    });
+  }
+
   test_imports_prefixed() {
     addTestFile('''
       import 'dart:html' as foo;
       main() {^}
     ''');
     return getSuggestions().then((_) {
       expect(replacementOffset, equals(completionOffset));
       expect(replacementLength, equals(0));
       assertHasResult(CompletionSuggestionKind.INVOCATION, 'Object');
       assertHasResult(CompletionSuggestionKind.INVOCATION, 'foo');
       assertNoResult('HtmlElement');
       assertNoResult('test');
     });
   }
 
   test_invocation() {
     addTestFile('class A {b() {}} main() {A a; a.^}');
     return getSuggestions().then((_) {
       expect(replacementOffset, equals(completionOffset));
       expect(replacementLength, equals(0));
       assertHasResult(CompletionSuggestionKind.INVOCATION, 'b');
     });
   }
 
+  test_invocation_withTrailingStmt() {
+    addTestFile('class A {b() {}} main() {A a; a.^ int x = 7;}');
+    return getSuggestions().then((_) {
+      expect(replacementOffset, equals(completionOffset));
+      expect(replacementLength, equals(0));
+      assertHasResult(CompletionSuggestionKind.INVOCATION, 'b');
+    });
+  }
+
   test_keyword() {
     addTestFile('library A; cl^');
     return getSuggestions().then((_) {
       expect(replacementOffset, equals(completionOffset - 2));
       expect(replacementLength, equals(2));
       assertHasResult(
           CompletionSuggestionKind.KEYWORD,
           'import',
           CompletionRelevance.HIGH);
       assertHasResult(
@@ skipping 176 matching lines @@
 
   void contextsChangedRaw(ContextsChangedEvent newEvent) {
     super.contextsChanged(newEvent);
   }
 
   CompletionManager createCompletionManager(AnalysisContext context,
       Source source, SearchEngine searchEngine) {
     return new MockCompletionManager(mockContext, source, searchEngine);
   }
 }