1 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/connection_test.rb b/activerecord/test/cases/adapters/postgresql/connection_test.rb
index d26cda46fa..7d179944d4 100644
--- a/activerecord/test/cases/adapters/postgresql/connection_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/connection_test.rb
@@ -8,6 +8,8 @@ module ActiveRecord
     class NonExistentTable < ActiveRecord::Base
     end
 
+    fixtures :comments
+
     def setup
       super
       @subscriber = SQLSubscriber.new
@@ -20,6 +22,14 @@ module ActiveRecord
       super
     end
 
+    def test_truncate
+      count = ActiveRecord::Base.connection.execute("select count(*) from comments").first['count'].to_i
+      assert_operator count, :>, 0
+      ActiveRecord::Base.connection.truncate("comments")
+      count = ActiveRecord::Base.connection.execute("select count(*) from comments").first['count'].to_i
+      assert_equal 0, count
+    end
+
     def test_encoding
       assert_not_nil @connection.encoding
     end