0001-Module-class_variable_set-now-raises-a-TypeError-whe.patch

From f3a7b40a3e53bde9dd917971fd1e81f922d93b7a Mon Sep 17 00:00:00 2001
From: Jose Narvaez <[email protected]>
Date: Wed, 21 Jul 2010 18:46:07 -0430
Subject: [PATCH] Module#class_variable_set now raises a TypeError when self is frozen

---
 vm/builtin/module.cpp |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/vm/builtin/module.cpp b/vm/builtin/module.cpp
index 6aa8630..3d5c7ae 100644
--- a/vm/builtin/module.cpp
+++ b/vm/builtin/module.cpp
@@ -263,6 +263,13 @@ namespace rubinius {
   Object* Module::cvar_set(STATE, Symbol* name, Object* value) {
     if(!name->is_cvar_p(state)->true_p()) return Primitives::failure();
 
+	if(Object::frozen_p(state)->true_p()) {
+		RubyException::raise(
+	        Exception::make_exception(state,
+	          as<Class>(G(object)->get_const(state, "TypeError")),
+	          "unable to modify frozen object"));
+	}
+
     Module* mod = this;
     Module* mod_to_query;
 
-- 
1.7.0.3