Import Upstream version 2.7.11

test/test_serializer.rb

+# encoding: utf-8
+# frozen_string_literal: true
+require_relative 'helper'
+require 'json'
+
+describe 'Serializer' do
+  it 'default to Marshal' do
+    memcached(29198) do |dc|
+      dc.set 1,2
+      assert_equal Marshal, dc.instance_variable_get('@ring').servers.first.serializer
+    end
+  end
+
+  it 'support a custom serializer' do
+    memcached(29198) do |dc, port|
+      memcache = Dalli::Client.new("127.0.0.1:#{port}", :serializer => JSON)
+      memcache.set 1,2
+      begin
+        assert_equal JSON, memcache.instance_variable_get('@ring').servers.first.serializer
+
+        memcached(21956) do |newdc|
+          assert newdc.set("json_test", {"foo" => "bar"})
+          assert_equal({"foo" => "bar"}, newdc.get("json_test"))
+        end
+      end
+    end
+  end
+end