Fix for 1302

Source/AtomicJS/Javascript/JSAtomic.cpp

@@ -220,18 +220,20 @@ static int js_atomic_script(duk_context* ctx)
 
 static int js_atomic_ScriptEvent(duk_context* ctx)
 {
-    duk_push_current_function(ctx);
-    if (duk_get_top(ctx) == 2)
+    if (duk_get_top(ctx) != 2 || !duk_is_string(ctx, 0) || !duk_is_function(ctx, 1))
     {
-        String eventType = duk_get_string(ctx, 0);
-
-        duk_push_object(ctx);
-        duk_push_string(ctx, eventType.CString());
-        duk_put_prop_string(ctx, -2, "_eventType");
-        duk_dup(ctx, 1);
-        duk_put_prop_string(ctx, -2, "_callback");
+        duk_push_string(ctx, "Atomic.ScriptEvent(eventType:string, callback:function); - passed invalid parameters");
+        duk_throw(ctx);
+        return 0;
     }
 
+    String eventType = duk_get_string(ctx, 0);
+    duk_push_object(ctx);
+    duk_push_string(ctx, eventType.CString());
+    duk_put_prop_string(ctx, -2, "_eventType");
+    duk_dup(ctx, 1);
+    duk_put_prop_string(ctx, -2, "_callback");
+
     return 1;
 }
 
@@ -453,7 +455,7 @@ void jsapi_init_atomic(JSVM* vm)
     duk_push_c_function(ctx, js_atomic_destroy, 1);
     duk_put_prop_string(ctx, -2, "destroy");
 
-    duk_push_c_function(ctx, js_atomic_ScriptEvent, 1);
+    duk_push_c_function(ctx, js_atomic_ScriptEvent, 2);
     duk_put_prop_string(ctx, -2, "ScriptEvent");