Ensure that a complete library element has constants evaluated (issue 24890)

pkg/analyzer/test/src/task/dart_test.dart

 // Copyright (c) 2015, 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 analyzer.test.src.task.dart_test;
 
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/element.dart';
@@ skipping 44 matching lines @@
   runReflectiveTests(InferInstanceMembersInUnitTaskTest);
   runReflectiveTests(InferStaticVariableTypesInUnitTaskTest);
   runReflectiveTests(InferStaticVariableTypeTaskTest);
   runReflectiveTests(LibraryErrorsReadyTaskTest);
   runReflectiveTests(LibraryUnitErrorsTaskTest);
   runReflectiveTests(ParseDartTaskTest);
   runReflectiveTests(PartiallyResolveUnitReferencesTaskTest);
   runReflectiveTests(PropagateVariableTypesInUnitTaskTest);
   runReflectiveTests(PropagateVariableTypeTaskTest);
   runReflectiveTests(ResolveInstanceFieldsInUnitTaskTest);
+  runReflectiveTests(ResolveLibraryTaskTest);
   runReflectiveTests(ResolveLibraryTypeNamesTaskTest);
   runReflectiveTests(ResolveUnitTaskTest);
   runReflectiveTests(ResolveUnitTypeNamesTaskTest);
   runReflectiveTests(ResolveVariableReferencesTaskTest);
   runReflectiveTests(ScanDartTaskTest);
   runReflectiveTests(StrongModeInferenceTest);
   runReflectiveTests(StrongModeVerifyUnitTaskTest);
   runReflectiveTests(VerifyUnitTaskTest);
 }
 
@@ skipping 42 matching lines @@
     new isInstanceOf<LibraryErrorsReadyTask>();
 isInstanceOf isLibraryUnitErrorsTask =
     new isInstanceOf<LibraryUnitErrorsTask>();
 isInstanceOf isParseDartTask = new isInstanceOf<ParseDartTask>();
 isInstanceOf isPartiallyResolveUnitReferencesTask =
     new isInstanceOf<PartiallyResolveUnitReferencesTask>();
 isInstanceOf isPropagateVariableTypesInUnitTask =
     new isInstanceOf<PropagateVariableTypesInUnitTask>();
 isInstanceOf isPropagateVariableTypeTask =
     new isInstanceOf<PropagateVariableTypeTask>();
+isInstanceOf isResolveLibraryTask = new isInstanceOf<ResolveLibraryTask>();
 isInstanceOf isResolveLibraryTypeNamesTask =
     new isInstanceOf<ResolveLibraryTypeNamesTask>();
 isInstanceOf isResolveUnitTask = new isInstanceOf<ResolveUnitTask>();
 isInstanceOf isResolveUnitTypeNamesTask =
     new isInstanceOf<ResolveUnitTypeNamesTask>();
 isInstanceOf isResolveVariableReferencesTask =
     new isInstanceOf<ResolveVariableReferencesTask>();
 isInstanceOf isScanDartTask = new isInstanceOf<ScanDartTask>();
 isInstanceOf isStrongModeVerifyUnitTask =
     new isInstanceOf<StrongModeVerifyUnitTask>();
@@ skipping 3398 matching lines @@
     assertVariableDeclarationTypes(
         AstFinder.getFieldInClass(unit0, "A", "a2"), dynamicType, dynamicType);
 
     // B.b2 should now be fully resolved and inferred.
     assertVariableDeclarationTypes(
         AstFinder.getFieldInClass(unit0, "B", "b2"), intType, intType);
   }
 }
 
 @reflectiveTest
+class ResolveLibraryTaskTest extends _AbstractDartTaskTest {
+  test_perform() {
+    Source sourceLib = newSource(
+        '/my_lib.dart',
+        '''
+library my_lib;
+const a = new A();
+class A {
+  const A();
+}
+@a
+class C {}
+''');
+    computeResult(sourceLib, LIBRARY_ELEMENT, matcher: isResolveLibraryTask);
+    // validate
+    LibraryElement library = outputs[LIBRARY_ELEMENT];
+    ClassElement classC = library.getType('C');
+    List<ElementAnnotation> metadata = classC.metadata;
+    expect(metadata, hasLength(1));
+    ElementAnnotation annotation = metadata[0];
+    expect(annotation, isNotNull);
+    expect((annotation as ElementAnnotationImpl).evaluationResult, isNotNull);
+  }
+}
+
+@reflectiveTest
 class ResolveLibraryTypeNamesTaskTest extends _AbstractDartTaskTest {
   test_perform() {
     Source sourceLib = newSource(
         '/my_lib.dart',
         '''
 library my_lib;
 part 'my_part.dart';
 class A {}
 class B extends A {}
 ''');
@@ skipping 1069 matching lines @@
   /**
    * Fill [errorListener] with [result] errors in the current [task].
    */
   void _fillErrorListener(ResultDescriptor<List<AnalysisError>> result) {
     List<AnalysisError> errors = task.outputs[result];
     expect(errors, isNotNull, reason: result.name);
     errorListener = new GatheringErrorListener();
     errorListener.addAll(errors);
   }
 }