1 files changed, 46 insertions, 0 deletions
diff --git a/activerecord/test/cases/binary_test.rb b/activerecord/test/cases/binary_test.rb
new file mode 100644
index 0000000000..d5376ece69
--- /dev/null
+++ b/activerecord/test/cases/binary_test.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+
+# Without using prepared statements, it makes no sense to test
+# BLOB data with DB2, because the length of a statement
+# is limited to 32KB.
+unless current_adapter?(:DB2Adapter)
+  require "models/binary"
+
+  class BinaryTest < ActiveRecord::TestCase
+    FIXTURES = %w(flowers.jpg example.log test.txt)
+
+    def test_mixed_encoding
+      str = "\x80".dup
+      str.force_encoding("ASCII-8BIT")
+
+      binary = Binary.new name: "いただきます！", data: str
+      binary.save!
+      binary.reload
+      assert_equal str, binary.data
+
+      name = binary.name
+
+      assert_equal "いただきます！", name
+    end
+
+    def test_load_save
+      Binary.delete_all
+
+      FIXTURES.each do |filename|
+        data = File.read(ASSETS_ROOT + "/#{filename}")
+        data.force_encoding("ASCII-8BIT")
+        data.freeze
+
+        bin = Binary.new(data: data)
+        assert_equal data, bin.data, "Newly assigned data differs from original"
+
+        bin.save!
+        assert_equal data, bin.data, "Data differs from original after save"
+
+        assert_equal data, bin.reload.data, "Reloaded data differs from original"
+      end
+    end
+  end
+end