1 files changed, 52 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/bind_parameter_test.rb b/activerecord/test/cases/adapters/mysql2/bind_parameter_test.rb
new file mode 100644
index 0000000000..825bddfb73
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/bind_parameter_test.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "models/topic"
+
+module ActiveRecord
+  module ConnectionAdapters
+    class Mysql2Adapter
+      class BindParameterTest < ActiveRecord::Mysql2TestCase
+        fixtures :topics
+
+        def test_update_question_marks
+          str       = "foo?bar"
+          x         = Topic.first
+          x.title   = str
+          x.content = str
+          x.save!
+          x.reload
+          assert_equal str, x.title
+          assert_equal str, x.content
+        end
+
+        def test_create_question_marks
+          str = "foo?bar"
+          x   = Topic.create!(title: str, content: str)
+          x.reload
+          assert_equal str, x.title
+          assert_equal str, x.content
+        end
+
+        def test_update_null_bytes
+          str       = "foo\0bar"
+          x         = Topic.first
+          x.title   = str
+          x.content = str
+          x.save!
+          x.reload
+          assert_equal str, x.title
+          assert_equal str, x.content
+        end
+
+        def test_create_null_bytes
+          str = "foo\0bar"
+          x   = Topic.create!(title: str, content: str)
+          x.reload
+          assert_equal str, x.title
+          assert_equal str, x.content
+        end
+      end
+    end
+  end
+end