suggest re-exported elements of imported libraries

pkg/analysis_server/test/services/completion/imported_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.toplevel;
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/services/completion/imported_computer.dart';
 import 'package:unittest/unittest.dart';
 
@@ skipping 32 matching lines @@
       import "/testCD.dart" hide D;
       import "/testEEF.dart" show EE;
       import "/testG.dart" as g;
       class X {foo(){^}}''');
     // pass true for full analysis to pick up unimported source
     return computeFull(true).then((_) {
       assertSuggestClass('A');
       assertNotSuggested('x');
       assertNotSuggested('_B');
       assertSuggestClass('C');
-      assertNotSuggested('D');
+      // hidden element suggested as low relevance
+      assertSuggestClass('D', CompletionRelevance.LOW);
       assertSuggestClass('EE');
-      assertNotSuggested('F');
+      // hidden element suggested as low relevance
+      assertSuggestClass('F', CompletionRelevance.LOW);
       assertSuggestLibraryPrefix('g');
       assertNotSuggested('G');
       assertSuggestClass('H', CompletionRelevance.LOW);
       // Should not suggest compilation unit elements
       // which are returned by the LocalComputer
       assertNotSuggested('X');
       assertSuggestClass('Object');
       // TODO (danrubel) suggest HtmlElement as low relevance
       assertNotSuggested('HtmlElement');
     });
   }
 
+  test_PrefixedIdentifier() {
+    // SimpleIdentifier  PrefixedIdentifier  ExpressionStatement
+    addTestSource('''
+      class A {var b; X _c;}
+      class X{}
+      main() {A a; a.^}''');
+    return computeFull(true).then((_) {
+      // PrefixedIdentifier is handled by InvocationComputer
+      assertNotSuggested('b');
+      assertNotSuggested('_c');
+      assertNotSuggested('Object');
+    });
+  }
+
   test_Block_function() {
     addSource('/testA.dart', '''
-      export "dart:math" hide sin;
+      export "dart:math" hide max;
       @deprecated A() {int x;}
       _B() {}''');
     addTestSource('''
       import "/testA.dart";
       class X {foo(){^}}''');
     return computeFull().then((_) {
       assertSuggestFunction('A', null, true);
       assertNotSuggested('x');
       assertNotSuggested('_B');
-      // TODO (danrubel) should suggest exported elements from imported lib
-      //assertSuggestFunction('cos', 'num', false);
-      assertNotSuggested('cos');
-      assertNotSuggested('sin');
+      assertSuggestFunction('min', 'num', false);
+      assertSuggestFunction('max', 'num', false, CompletionRelevance.LOW);
       // Should not suggest compilation unit elements
       // which are returned by the LocalComputer
       assertNotSuggested('X');
     });
   }
 
   test_Block_topLevelVar() {
     // Block  BlockFunctionBody  MethodDeclaration
     addSource('/testA.dart', '''
       String T1;
       var _T2;''');
     addSource('/testB.dart', /* not imported */ '''
       int T3;
       var _T4;''');
     addTestSource('''
       import "/testA.dart";
       class C {foo(){^}}''');
     // pass true for full analysis to pick up unimported source
     return computeFull(true).then((_) {
-      assertSuggestTopLevelVar('T1', 'String');
+      assertSuggestTopLevelVarGetterSetter('T1', 'String');
       assertNotSuggested('_T2');
       assertSuggestTopLevelVar('T3', 'int', CompletionRelevance.LOW);
       assertNotSuggested('_T4');
     });
   }
 
   test_ExpressionStatement_class() {
     // SimpleIdentifier  ExpressionStatement  Block
     addSource('/testA.dart', '''
       class A {int x;}
@@ skipping 172 matching lines @@
     return computeFull().then((_) {
       assertSuggestClass('A');
       assertNotSuggested('x');
       assertNotSuggested('_B');
       // Should not suggest compilation unit elements
       // which are returned by the LocalComputer
       assertNotSuggested('C');
     });
   }
 }