Serialize and resynthesize variable initializers.

pkg/analyzer/test/src/summary/resynthesize_test.dart

Index: pkg/analyzer/test/src/summary/resynthesize_test.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_test.dart b/pkg/analyzer/test/src/summary/resynthesize_test.dart
index 3f6d6536ee097af4b7f4f35e66965121933a6fac..c1f3cbe7672f0eef18211d6e21a22dd191205793 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_test.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_test.dart
@@ -865,6 +865,11 @@ class ResynthTest extends ResolverTestCase {
       VariableElement resynthesized, VariableElement original, String desc) {
     compareElements(resynthesized, original, desc);
     compareTypes(resynthesized.type, original.type, desc);
+    // TODO(scheglov) VariableMember.initializer is not implemented
+    if (original is! VariableMember) {
+      compareVariableInitializers(
+          resynthesized.initializer, original.initializer, desc);
+    }
     VariableElementImpl originalActual = getActualElement(original, desc);
     if (originalActual is ConstVariableElement) {
       VariableElementImpl resynthesizedActual =
@@ -881,6 +886,18 @@ class ResynthTest extends ResolverTestCase {
     checkPossibleLocalElements(resynthesized, original);
   }
 
+  void compareVariableInitializers(
+      FunctionElement resynthesized, FunctionElement original, String desc) {
+    if (original == null && resynthesized == null) {
+      return;
+    }
+    expect(resynthesized, isNotNull, reason: desc);
+    expect(resynthesized.nameOffset, original.nameOffset, reason: desc);
+    expect(resynthesized.name, original.name, reason: desc);
+    // TODO(scheglov) replace this method with compareFunctionElements()
+    // once we resynthesize initializers return types.
+  }
+
   /**
    * Serialize the given [library] into a summary.  Then create a
    * [_TestSummaryResynthesizer] which can deserialize it, along with any