check for construct calls to avoid assertion failures

kkaefer · kkaefer · commit bd9432026aff · 2011-12-08T18:29:16.000+01:00
fixes kkaefer#2
diff --git a/06_objects/modulename.cpp b/06_objects/modulename.cpp
@@ -34,6 +34,12 @@ MyObject::MyObject(int val)
 Handle<Value> MyObject::New(const Arguments& args) {
     HandleScope scope;
 
+    if (!args.IsConstructCall()) {
+        return ThrowException(Exception::TypeError(
+            String::New("Use the new operator to create instances of this object."))
+        );
+    }
+
     if (args.Length() < 1) {
         return ThrowException(Exception::TypeError(
             String::New("First argument must be a number")));
