smalloc: add asserts

nodejs · Mar 3, 2015 · 1b3d362 · 1b3d362
1 parent 3acee6e
commit 1b3d362
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/src/smalloc.cc b/src/smalloc.cc
@@ -166,9 +166,15 @@ size_t ExternalArraySize(enum ExternalArrayType type) {
 void CopyOnto(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
 
+  ASSERT(args[0]->IsObject());
+  ASSERT(args[2]->IsObject());
+
   Local<Object> source = args[0].As<Object>();
   Local<Object> dest = args[2].As<Object>();
 
+  ASSERT(source->HasIndexedPropertiesInExternalArrayData());
+  ASSERT(dest->HasIndexedPropertiesInExternalArrayData());
+
   size_t source_start = args[1]->Uint32Value();
   size_t dest_start = args[3]->Uint32Value();
   size_t copy_length = args[4]->Uint32Value();
@@ -270,8 +276,12 @@ void SliceOnto(const FunctionCallbackInfo<Value>& args) {
 void Alloc(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
 
+  ASSERT(args[0]->IsObject());
+
   Local<Object> obj = args[0].As<Object>();
 
+  ASSERT(!obj->HasIndexedPropertiesInExternalArrayData());
+
   size_t length = args[1]->Uint32Value();
   enum ExternalArrayType array_type;
 
@@ -410,6 +420,7 @@ void Alloc(Environment* env,
 
 void HasExternalData(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
+  ASSERT(args[0]->IsObject());
   args.GetReturnValue().Set(HasExternalData(env, args[0].As<Object>()));
 }