* 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, 16 insertions, 10 deletions

diff --git a/test/rubygems/test_gem_package.rb b/test/rubygems/test_gem_package.rb
index 7848bc2428..2f8747bc97 100644
--- a/test/rubygems/test_gem_package.rb
+++ b/test/rubygems/test_gem_package.rb
@@ -1,5 +1,5 @@
 # coding: UTF-8
-# frozen_string_literal: false
+# frozen_string_literal: true
 
 require 'rubygems/package/tar_test_case'
 require 'rubygems/simple_gem'
@@ -428,19 +428,25 @@ class TestGemPackage < Gem::Package::TarTestCase
                  "#{@destination} is not allowed", e.message)
   end
 
-  def test_extract_tar_gz_symlink_absolute
+  def test_extract_tar_gz_symlink_relative_path
+    skip 'symlink not supported' if Gem.win_platform?
+
     package = Gem::Package.new @gem
 
     tgz_io = util_tar_gz do |tar|
-      tar.add_symlink 'code.rb', '/absolute.rb', 0644
+      tar.add_file    'relative.rb', 0644 do |io| io.write 'hi' end
+      tar.mkdir       'lib',         0755
+      tar.add_symlink 'lib/foo.rb', '../relative.rb', 0644
     end
 
-    e = assert_raises Gem::Package::PathError do
-      package.extract_tar_gz tgz_io, @destination
-    end
+    package.extract_tar_gz tgz_io, @destination
 
-    assert_equal("installing into parent path /absolute.rb of " +
-                 "#{@destination} is not allowed", e.message)
+    extracted = File.join @destination, 'lib/foo.rb'
+    assert_path_exists extracted
+    assert_equal '../relative.rb',
+                 File.readlink(extracted)
+    assert_equal 'hi',
+                 File.read(extracted)
   end
 
   def test_extract_tar_gz_directory
@@ -490,7 +496,7 @@ class TestGemPackage < Gem::Package::TarTestCase
   def test_install_location
     package = Gem::Package.new @gem
 
-    file = 'file.rb'
+    file = 'file.rb'.dup
     file.taint
 
     destination = package.install_location file, @destination
@@ -530,7 +536,7 @@ class TestGemPackage < Gem::Package::TarTestCase
     skip 'no File.realpath on 1.8' if RUBY_VERSION < '1.9'
     package = Gem::Package.new @gem
 
-    file = 'foo//file.rb'
+    file = 'foo//file.rb'.dup
     file.taint
 
     destination = @destination.sub '/', '//'