Restore invariant (next of first deallocated must point to the head) before c...

test/cctest/test-api.cc

 // Copyright 2007-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6208 matching lines @@
   {
     v8::HandleScope scope;
     handle1 = v8::Persistent<v8::Object>::New(v8::Object::New());
     handle2 = v8::Persistent<v8::Object>::New(v8::Object::New());
   }
   handle1.MakeWeak(NULL, DisposeAndForceGcCallback);
   to_be_disposed = handle2;
   i::Heap::CollectAllGarbage(false);
 }
 
+void DisposingCallback(v8::Persistent<v8::Value> handle, void*) {
+  handle.Dispose();
+}
+
+void HandleCreatingCallback(v8::Persistent<v8::Value> handle, void*) {
+  v8::HandleScope scope;
+  v8::Persistent<v8::Object>::New(v8::Object::New());
+}
+
+
+THREADED_TEST(NoGlobalHandlesOrphaningDueToWeakCallback) {
+  LocalContext context;
+
+  v8::Persistent<v8::Object> handle1, handle2, handle3;
+  {
+    v8::HandleScope scope;
+    handle3 = v8::Persistent<v8::Object>::New(v8::Object::New());
+    handle2 = v8::Persistent<v8::Object>::New(v8::Object::New());
+    handle1 = v8::Persistent<v8::Object>::New(v8::Object::New());
+  }
+  handle2.MakeWeak(NULL, DisposingCallback);
+  handle3.MakeWeak(NULL, HandleCreatingCallback);
+  i::Heap::CollectAllGarbage(false);
+}
+
 
 THREADED_TEST(CheckForCrossContextObjectLiterals) {
   v8::V8::Initialize();
 
   const int nof = 2;
   const char* sources[nof] = {
     "try { [ 2, 3, 4 ].forEach(5); } catch(e) { e.toString(); }",
     "Object()"
   };
 
@@ skipping 2129 matching lines @@
       "      i++;"
       "      return s(o);"
       "    }"
       "  }"
       "};"
       "s(o);");
   CHECK(try_catch.HasCaught());
   v8::String::Utf8Value value(try_catch.Exception());
   CHECK_EQ(0, strcmp(*value, "Hey!"));
 }