1 files changed, 19 insertions, 0 deletions
diff --git a/test/uri/test_common.rb b/test/uri/test_common.rb
index 1afa35f93d..311adc0049 100644
--- a/test/uri/test_common.rb
+++ b/test/uri/test_common.rb
@@ -33,6 +33,25 @@ class TestCommon < Test::Unit::TestCase
     end
   end
 
+  def test_ractor
+    return unless defined?(Ractor)
+    r = Ractor.new { URI.parse("https://ruby-lang.org/").inspect }
+    assert_equal(URI.parse("https://ruby-lang.org/").inspect, r.take)
+  end
+
+  def test_register_scheme
+    assert_equal(["FILE", "FTP", "HTTP", "HTTPS", "LDAP", "LDAPS", "MAILTO", "WS"].sort, URI.scheme_list.keys.sort)
+
+    begin
+      URI::Generic.const_set :FOOBAR, Class.new(URI::Generic)
+      URI.refresh_scheme_list
+      assert_equal(["FILE", "FTP", "HTTP", "HTTPS", "LDAP", "LDAPS", "MAILTO", "WS", "FOOBAR"].sort, URI.scheme_list.keys.sort)
+    ensure
+      URI::Generic.send(:remove_const, :FOOBAR)
+      URI.refresh_scheme_list
+    end
+  end
+
   def test_regexp
     EnvUtil.suppress_warning do
       assert_instance_of Regexp, URI.regexp