* lib/rubygems: Update to RubyGems 2.5.0+ HEAD(fdab4c4).

  this version includes #1396, #1397, #1398, #1399
* test/rubygems: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52880 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

4 files changed, 17 insertions, 2 deletions

diff --git a/test/rubygems/specifications/foo-0.0.1-x86-mswin32.gemspec b/test/rubygems/specifications/foo-0.0.1-x86-mswin32.gemspec
new file mode 100644
index 0000000000..7fbc56429f
--- /dev/null
+++ b/test/rubygems/specifications/foo-0.0.1-x86-mswin32.gemspec
diff --git a/test/rubygems/test_gem_resolver.rb b/test/rubygems/test_gem_resolver.rb
index c4b5251c82..a944a69d9a 100644
--- a/test/rubygems/test_gem_resolver.rb
+++ b/test/rubygems/test_gem_resolver.rb
@@ -516,7 +516,7 @@ class TestGemResolver < Gem::TestCase
 
     dependency = e.conflict.dependency
 
-    assert_equal 'a', dependency.name
+    assert_includes %w(a b), dependency.name
     assert_equal req('>= 0'), dependency.requirement
 
     activated = e.conflict.activated
diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index 1ca2046195..6c7ee6054a 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -2678,6 +2678,21 @@ duplicate dependency on c (>= 1.2.3, development), (~> 1.2) use:
     end
   end
 
+  def test_validate_prerelease_dependencies_with_prerelease_version
+    util_setup_validate
+
+    Dir.chdir @tempdir do
+      @a1.version = '1.0.0.beta.1'
+      @a1.add_runtime_dependency 'b', '~> 1.2.0.beta.1'
+
+      use_ui @ui do
+        @a1.validate
+      end
+
+      assert_equal '', @ui.error, 'warning'
+    end
+  end
+
   def test_validate_description
     util_setup_validate
 
diff --git a/test/rubygems/test_gem_stub_specification.rb b/test/rubygems/test_gem_stub_specification.rb
index 5488adc348..786a308556 100644
--- a/test/rubygems/test_gem_stub_specification.rb
+++ b/test/rubygems/test_gem_stub_specification.rb
@@ -3,7 +3,7 @@ require "rubygems/stub_specification"
 
 class TestStubSpecification < Gem::TestCase
   SPECIFICATIONS = File.expand_path(File.join("..", "specifications"), __FILE__)
-  FOO = File.join SPECIFICATIONS, "foo-0.0.1.gemspec"
+  FOO = File.join SPECIFICATIONS, "foo-0.0.1-x86-mswin32.gemspec"
   BAR = File.join SPECIFICATIONS, "bar-0.0.2.gemspec"
 
   def setup