From 0bb5726aa35019683456f6a60694303f79872b05 Mon Sep 17 00:00:00 2001
From: Vasiliy Ermolovich <younash@gmail.com>
Date: Thu, 13 Sep 2012 23:07:31 +0300
Subject: [PATCH] raise ArgumentError when has_one association was provided

---
 lib/simple_form/form_builder.rb       | 2 +-
 test/form_builder/association_test.rb | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/simple_form/form_builder.rb b/lib/simple_form/form_builder.rb
index 91abc1d2..6ed2b4ca 100644
--- a/lib/simple_form/form_builder.rb
+++ b/lib/simple_form/form_builder.rb
@@ -183,7 +183,7 @@ module SimpleForm
         when :belongs_to
           (reflection.respond_to?(:options) && reflection.options[:foreign_key]) || :"#{reflection.name}_id"
         when :has_one
-          raise ":has_one associations are not supported by f.association"
+          raise ArgumentError, ":has_one associations are not supported by f.association"
         else
           if options[:as] == :select
             html_options = options[:input_html] ||= {}
diff --git a/test/form_builder/association_test.rb b/test/form_builder/association_test.rb
index 95bbd300..3d11107a 100644
--- a/test/form_builder/association_test.rb
+++ b/test/form_builder/association_test.rb
@@ -120,7 +120,7 @@ class AssociationTest < ActionView::TestCase
 
   # ASSOCIATIONS - has_*
   test 'builder does not allow has_one associations' do
-    assert_raise RuntimeError do
+    assert_raise ArgumentError do
       with_association_for @user, :first_company, :as => :radio_buttons
     end
   end