Resynthesize invalid constants as unresolved identifiers.

pkg/analyzer/test/src/summary/resynthesize_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 test.src.serialization.elements_test;
 
 import 'dart:convert';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 17 matching lines @@
 import 'summary_common.dart' show canonicalize;
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(ResynthTest);
 }
 
 @reflectiveTest
 class ResynthTest extends ResolverTestCase {
   Set<Source> otherLibrarySources = new Set<Source>();
+  bool constantInitializersAreInvalid = false;
 
   /**
    * Determine the analysis options that should be used for this test.
    */
   AnalysisOptionsImpl get options =>
       new AnalysisOptionsImpl()..enableGenericMethods = true;
 
   void addLibrary(String uri) {
     otherLibrarySources.add(analysisContext2.sourceFactory.forUri(uri));
   }
@@ skipping 691 matching lines @@
     expect(resynthesized.uri, original.uri);
     expect(resynthesized.uriOffset, original.uriOffset, reason: desc);
     expect(resynthesized.uriEnd, original.uriEnd, reason: desc);
   }
 
   void compareVariableElements(VariableElementImpl resynthesized,
       VariableElementImpl original, String desc) {
     compareElements(resynthesized, original, desc);
     compareTypes(resynthesized.type, original.type, desc);
     if (original is ConstVariableElement) {
-      compareConstantAsts(resynthesized.constantInitializer,
-          original.constantInitializer, desc);
+      Expression initializer = resynthesized.constantInitializer;
+      if (constantInitializersAreInvalid) {
+        expect(initializer, new isInstanceOf<SimpleIdentifier>(), reason: desc);
+        SimpleIdentifier identifier = initializer;
+        expect(identifier.staticElement, isNull, reason: desc);
+      } else {
+        compareConstantAsts(initializer, original.constantInitializer, desc);
+      }
     }
   }
 
   /**
    * Serialize the given [library] into a summary.  Then create a
    * [_TestSummaryResynthesizer] which can deserialize it, along with any
    * references it makes to `dart:core`.
    *
    * Errors will lead to a test failure unless [allowErrors] is `true`.
    */
@@ skipping 395 matching lines @@
   }
 
   test_class_type_parameters_f_bound_simple() {
     checkLibrary('class C<T extends U, U> {}');
   }
 
   test_classes() {
     checkLibrary('class C {} class D {}');
   }
 
+  test_const_invalid_field_const() {
+    constantInitializersAreInvalid = true;
+    checkLibrary(
+        r'''
+class C {
+  static const f = 1 + foo();
+}
+int foo() => 42;
+''',
+        allowErrors: true);
+  }
+
+  test_const_invalid_field_final() {
+    constantInitializersAreInvalid = true;
+    checkLibrary(
+        r'''
+class C {
+  final f = 1 + foo();
+}
+int foo() => 42;
+''',
+        allowErrors: true);
+  }
+
+  test_const_invalid_topLevel() {
+    constantInitializersAreInvalid = true;
+    checkLibrary(
+        r'''
+const v = 1 + foo();
+int foo() => 42;
+''',
+        allowErrors: true);
+  }
+
   test_const_invokeConstructor_generic_named() {
     checkLibrary(r'''
 class C<K, V> {
   const C.named(K k, V v);
 }
 const V = const C<int, String>.named(1, '222');
 ''');
   }
 
   test_const_invokeConstructor_generic_named_imported() {
@@ skipping 1661 matching lines @@
       fail('Unexpectedly tried to get unlinked summary for $uri');
     }
     return serializedUnit;
   }
 
   @override
   bool hasLibrarySummary(String uri) {
     return true;
   }
 }