* lib/rubygems.rb, lib/rubygems/*, test/rubygems/*: Update rubygems-2.5.2.

  It supports to enable frozen string literal and add `--norc` option for
  disable to `.gemrc` configuration.
  See 2.5.2 release notes for other fixes and enhancements.
  https://github.com/rubygems/rubygems/blob/a8aa3bac723f045c52471c7b9328310a048561e0/History.txt#L3

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 13 insertions, 1 deletions

diff --git a/test/rubygems/test_gem_install_update_options.rb b/test/rubygems/test_gem_install_update_options.rb
index d81fa86e9c..e25259f4d1 100644
--- a/test/rubygems/test_gem_install_update_options.rb
+++ b/test/rubygems/test_gem_install_update_options.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rubygems/installer_test_case'
 require 'rubygems/install_update_options'
 require 'rubygems/command'
@@ -28,6 +28,7 @@ class TestGemInstallUpdateOptions < Gem::InstallerTestCase
       -i /install_to
       -w
       --vendor
+      --post-install-message
     ]
 
     args.concat %w[-P HighSecurity] if defined?(OpenSSL::SSL)
@@ -182,4 +183,15 @@ class TestGemInstallUpdateOptions < Gem::InstallerTestCase
     RbConfig::CONFIG['vendordir'] = orig_vendordir
   end
 
+  def test_post_install_message_no
+    @cmd.handle_options %w[--no-post-install-message]
+
+    assert_equal false, @cmd.options[:post_install_message]
+  end
+
+  def test_post_install_message
+    @cmd.handle_options %w[--post-install-message]
+
+    assert_equal true, @cmd.options[:post_install_message]
+  end
 end