Add Ruby module type

Author: soutaro

core/ruby.rbs

@@ -0,0 +1,53 @@
+# <!-- rdoc-file=version.c -->
+# The [Ruby](rdoc-ref:Ruby) module that contains portable information among
+# implementations.
+#
+# The constants defined here are aliased in the toplevel with `RUBY_` prefix.
+#
+module Ruby
+  # <!-- rdoc-file=version.c -->
+  # The copyright string for ruby
+  #
+  COPYRIGHT: ::String
+
+  # <!-- rdoc-file=version.c -->
+  # The full ruby version string, like `ruby -v` prints
+  #
+  DESCRIPTION: ::String
+
+  # <!-- rdoc-file=version.c -->
+  # The engine or interpreter this ruby uses.
+  #
+  ENGINE: ::String
+
+  # <!-- rdoc-file=version.c -->
+  # The version of the engine or interpreter this ruby uses.
+  #
+  ENGINE_VERSION: ::String
+
+  # <!-- rdoc-file=version.c -->
+  # The patchlevel for this ruby.  If this is a development build of ruby the
+  # patchlevel will be -1
+  #
+  PATCHLEVEL: ::Integer
+
+  # <!-- rdoc-file=version.c -->
+  # The platform for this ruby
+  #
+  PLATFORM: ::String
+
+  # <!-- rdoc-file=version.c -->
+  # The date this ruby was released
+  #
+  RELEASE_DATE: ::String
+
+  # <!-- rdoc-file=version.c -->
+  # The GIT commit hash for this ruby.
+  #
+  REVISION: ::String
+
+  # <!-- rdoc-file=version.c -->
+  # The running version of ruby
+  #
+  VERSION: ::String
+end

test/stdlib/Ruby_test.rb

@@ -0,0 +1,20 @@
+require_relative "test_helper"
+require "resolv"
+
+class RubyTest < Test::Unit::TestCase
+  include TestHelper
+
+  testing "::Ruby"
+
+  def test_constants
+    assert_const_type '::String', 'Ruby::COPYRIGHT'
+    assert_const_type '::String', 'Ruby::DESCRIPTION'
+    assert_const_type '::String', 'Ruby::ENGINE'
+    assert_const_type '::String', 'Ruby::ENGINE_VERSION'
+    assert_const_type '::Integer', 'Ruby::PATCHLEVEL'
+    assert_const_type '::String', 'Ruby::PLATFORM'
+    assert_const_type '::String', 'Ruby::RELEASE_DATE'
+    assert_const_type '::String', 'Ruby::REVISION'
+    assert_const_type '::String', 'Ruby::VERSION'
+  end
+end