Add test for already fixed bug (issue 25730)

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/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/ast/visitor.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 1127 matching lines @@
     Annotation annotation = findClassAnnotation(unit, 'C');
     // Now compute the dependencies for the annotation, and check that it is
     // the set [x, constructorForD].
     // TODO(paulberry): test librarySource != source
     computeResult(annotation.elementAnnotation, CONSTANT_DEPENDENCIES,
         matcher: isComputeConstantDependenciesTask);
     expect(
         outputs[CONSTANT_DEPENDENCIES].toSet(), [x, constructorForD].toSet());
   }
 
+  test_annotation_with_nonConstArg() {
+    Source source = newSource(
+        '/test.dart',
+        '''
+class A {
+  const A(x);
+}
+class C {
+  @A(const [(_) => null])
+  String s;
+}
+''');
+    // First compute the resolved unit for the source.
+    LibrarySpecificUnit librarySpecificUnit =
+        new LibrarySpecificUnit(source, source);
+    computeResult(librarySpecificUnit, RESOLVED_UNIT1);
+    CompilationUnit unit = outputs[RESOLVED_UNIT1];
+    // Find the annotation on the field.
+    ClassDeclaration classC = unit.declarations[1];
+    Annotation annotation = classC.members[0].metadata[0];
+    // Now compute the dependencies for the annotation, and check that it is
+    // the set [x, constructorForD].

[scheglov, 2016/02/18 19:29:13]

I don't understand this comment.

[Brian Wilkerson, 2016/02/18 19:36:38]

Sorry, copy-paste error.

+    computeResult(annotation.elementAnnotation, CONSTANT_DEPENDENCIES,
+        matcher: isComputeConstantDependenciesTask);
+    expect(outputs[CONSTANT_DEPENDENCIES], hasLength(1));
+  }
+
   test_annotation_without_args() {
     Source source = newSource(
         '/test.dart',
         '''
 const x = 1;
 @x class C {}
 ''');
     // First compute the resolved unit for the source.
     LibrarySpecificUnit librarySpecificUnit =
         new LibrarySpecificUnit(source, source);
@@ skipping 3803 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);
   }
 }