convert object::* to return maybe values

test/cctest/test-api.cc

 // Copyright 2012 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 17901 matching lines @@
 
   Local<Object> instance1;
   Local<Object> instance2;
 
   {
     Context::Scope scope(context3);
     instance1 = func1->NewInstance();
     instance2 = func2->NewInstance();
   }
 
-  CHECK(object1->CreationContext() == context1);
-  CheckContextId(object1, 1);
-  CHECK(func1->CreationContext() == context1);
-  CheckContextId(func1, 1);
-  CHECK(instance1->CreationContext() == context1);
-  CheckContextId(instance1, 1);
-  CHECK(object2->CreationContext() == context2);
-  CheckContextId(object2, 2);
-  CHECK(func2->CreationContext() == context2);
-  CheckContextId(func2, 2);
-  CHECK(instance2->CreationContext() == context2);
-  CheckContextId(instance2, 2);
+  {
+    Handle<Context> other_context = Context::New(isolate);
+    Context::Scope scope(other_context);
+    CHECK(object1->CreationContext() == context1);
+    CheckContextId(object1, 1);
+    CHECK(func1->CreationContext() == context1);
+    CheckContextId(func1, 1);
+    CHECK(instance1->CreationContext() == context1);
+    CheckContextId(instance1, 1);
+    CHECK(object2->CreationContext() == context2);
+    CheckContextId(object2, 2);
+    CHECK(func2->CreationContext() == context2);
+    CheckContextId(func2, 2);
+    CHECK(instance2->CreationContext() == context2);
+    CheckContextId(instance2, 2);
+  }
 
   {
     Context::Scope scope(context1);
     CHECK(object1->CreationContext() == context1);
     CheckContextId(object1, 1);
     CHECK(func1->CreationContext() == context1);
     CheckContextId(func1, 1);
     CHECK(instance1->CreationContext() == context1);
     CheckContextId(instance1, 1);
     CHECK(object2->CreationContext() == context2);
@@ skipping 26 matching lines @@
   HandleScope handle_scope(CcTest::isolate());
   Handle<Context> context = Context::New(CcTest::isolate());
   InstallContextId(context, 1);
 
   Local<Object> function;
   {
     Context::Scope scope(context);
     function = CompileRun("function foo() {}; foo").As<Object>();
   }
 
+  Handle<Context> other_context = Context::New(CcTest::isolate());
+  Context::Scope scope(other_context);
   CHECK(function->CreationContext() == context);
   CheckContextId(function, 1);
 }
 
 
 void HasOwnPropertyIndexedPropertyGetter(
     uint32_t index,
     const v8::PropertyCallbackInfo<v8::Value>& info) {
   if (index == 42) info.GetReturnValue().Set(v8_str("yes"));
 }
@@ skipping 3591 matching lines @@
   }
   {
     v8::TryCatch try_catch;
     uint16_t* data = reinterpret_cast<uint16_t*>(buffer);
     CHECK(v8::String::NewFromTwoByte(isolate, data, v8::String::kNormalString,
                                      length).IsEmpty());
     CHECK(try_catch.HasCaught());
   }
   free(buffer);
 }