load.c: resolve_feature_path

* load.c (rb_resolve_feature_path): search the path for already
  loaded feature.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66661 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 20 insertions, 0 deletions

diff --git a/test/ruby/test_require.rb b/test/ruby/test_require.rb
index af8e6e30fa..a83509421d 100644
--- a/test/ruby/test_require.rb
+++ b/test/ruby/test_require.rb
@@ -897,4 +897,24 @@ class TestRequire < Test::Unit::TestCase
       assert_operator(result, :end_with?, "/real/a.rb")
     }
   end
+
+  if defined?(RubyVM.resolve_feature_path)
+    def test_resolve_feature_path
+      paths, loaded = $:.dup, $".dup
+      Dir.mktmpdir do |tmp|
+        Tempfile.create(%w[feature .rb], tmp) do |file|
+          file.close
+          path = File.realpath(file.path)
+          dir, base = File.split(path)
+          $:.unshift(dir)
+          assert_equal([:rb, path], RubyVM.resolve_feature_path(base))
+          $".push(path)
+          assert_equal([:rb, path], RubyVM.resolve_feature_path(base))
+        end
+      end
+    ensure
+      $:.replace(paths)
+      $".replace(loaded)
+    end
+  end
 end