From 150f1c8da286b1b29602c579b5d2b78bc7fce52d Mon Sep 17 00:00:00 2001
From: Sean Griffin <sean@thoughtbot.com>
Date: Thu, 12 Jun 2014 18:36:55 -0600
Subject: Add a test to ensure we don't get a performance regression on #hash
---
activerecord/test/cases/base_test.rb | 7 +++++++
1 file changed, 7 insertions(+)
(limited to 'activerecord')
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index dc8f25b0e7..541f74f21e 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1597,4 +1597,11 @@ class BasicsTest < ActiveRecord::TestCase
assert_equal after_handler, new_handler
assert_equal orig_handler, klass.connection_handler
end
+
+ # Note: This is a performance optimization for Array#uniq and Hash#[] with
+ # AR::Base objects. If the future has made this irrelevant, feel free to
+ # delete this.
+ test "records without an id have unique hashes" do
+ assert_not_equal Post.new.hash, Post.new.hash
+ end
end
--
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