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-rwxr-xr-xactiverecord/test/associations_test.rb32
1 files changed, 32 insertions, 0 deletions
diff --git a/activerecord/test/associations_test.rb b/activerecord/test/associations_test.rb
index c6cf7807fa..f687d3781e 100755
--- a/activerecord/test/associations_test.rb
+++ b/activerecord/test/associations_test.rb
@@ -829,6 +829,38 @@ class BelongsToAssociationsTest < Test::Unit::TestCase
assert_equal 0, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply deleted"
end
+ def test_belongs_to_counter_with_reassigning
+ t1 = Topic.create("title" => "t1")
+ t2 = Topic.create("title" => "t2")
+ r1 = Reply.new("title" => "r1", "content" => "r1")
+ r1.topic = t1
+
+ assert r1.save
+ assert_equal 1, Topic.find(t1.id).replies.size
+ assert_equal 0, Topic.find(t2.id).replies.size
+
+ r1.topic = Topic.find(t2.id)
+
+ assert r1.save
+ assert_equal 0, Topic.find(t1.id).replies.size
+ assert_equal 1, Topic.find(t2.id).replies.size
+
+ r1.topic = nil
+
+ assert_equal 0, Topic.find(t1.id).replies.size
+ assert_equal 0, Topic.find(t2.id).replies.size
+
+ r1.topic = t1
+
+ assert_equal 1, Topic.find(t1.id).replies.size
+ assert_equal 0, Topic.find(t2.id).replies.size
+
+ r1.destroy
+
+ assert_equal 0, Topic.find(t1.id).replies.size
+ assert_equal 0, Topic.find(t2.id).replies.size
+ end
+
def test_assignment_before_parent_saved
client = Client.find(:first)
apple = Firm.new("name" => "Apple")