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

  HEAD(2c6d256). It contains to update vendored Molinillo to 0.5.0.
  https://github.com/rubygems/rubygems/pull/1638

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55441 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 71 insertions, 0 deletions

diff --git a/test/rubygems/test_gem_installer.rb b/test/rubygems/test_gem_installer.rb
index dedb4c99ca..b8bf24e183 100644
--- a/test/rubygems/test_gem_installer.rb
+++ b/test/rubygems/test_gem_installer.rb
@@ -1106,6 +1106,77 @@ gem 'other', version
     assert_path_exists expected_makefile
   end
 
+  def test_install_extension_dir_is_removed_on_reinstall
+    @spec.extensions << "extconf.rb"
+    write_file File.join(@tempdir, "extconf.rb") do |io|
+      io.write <<-RUBY
+        require "mkmf"
+        create_makefile("#{@spec.name}")
+      RUBY
+    end
+
+    @spec.files += %w[extconf.rb]
+
+    path = Gem::Package.build @spec
+
+    # Install a gem with an extension
+    use_ui @ui do
+      installer = Gem::Installer.at path
+      installer.install
+    end
+
+    # pretend that a binary file was created as part of the build
+    should_be_removed = File.join(@spec.extension_dir, "#{@spec.name}.so")
+    write_file should_be_removed do |io|
+      io.write "DELETE ME ON REINSTALL"
+    end
+    assert_path_exists should_be_removed
+
+    # reinstall the gem, this is also the same as pristine
+    use_ui @ui do
+      installer = Gem::Installer.at path
+      installer.install
+    end
+
+    refute_path_exists should_be_removed
+  end
+
+  def test_find_lib_file_after_install
+    @spec.extensions << "extconf.rb"
+    write_file File.join(@tempdir, "extconf.rb") do |io|
+      io.write <<-RUBY
+        require "mkmf"
+        create_makefile("#{@spec.name}")
+      RUBY
+    end
+
+    write_file File.join(@tempdir, "a.c") do |io|
+      io.write <<-C
+      #include <ruby.h>
+      void Init_a() { }
+      C
+    end
+
+    Dir.mkdir File.join(@tempdir, "lib")
+    write_file File.join(@tempdir, 'lib', "b.rb") do |io|
+      io.write "# b.rb"
+    end
+
+    @spec.files += %w[extconf.rb lib/b.rb a.c]
+
+    use_ui @ui do
+      path = Gem::Package.build @spec
+
+      installer = Gem::Installer.at path
+      installer.install
+    end
+
+    expected = File.join @spec.full_require_paths.find { |path|
+      File.exist? File.join path, 'b.rb'
+    }, 'b.rb'
+    assert_equal expected, @spec.matches_for_glob('b.rb').first
+  end
+
   def test_install_extension_and_script
     @spec.extensions << "extconf.rb"
     write_file File.join(@tempdir, "extconf.rb") do |io|