[rubygems/rubygems] Fix performance regression in `require`

Our check for `-I` paths should not go through all activated gems.

https://github.com/rubygems/rubygems/commit/00d98eb8a3

1 files changed, 11 insertions, 0 deletions

diff --git a/test/rubygems/test_require.rb b/test/rubygems/test_require.rb
index 1c86a4ed66..c6be26a658 100644
--- a/test/rubygems/test_require.rb
+++ b/test/rubygems/test_require.rb
@@ -382,6 +382,17 @@ class TestGemRequire < Gem::TestCase
     assert_equal 0, times_called
   end
 
+  def test_second_gem_require_does_not_resolve_path_manually_before_going_through_standard_require
+    a1 = util_spec "a", "1", nil, "lib/test_gem_require_a.rb"
+    install_gem a1
+
+    assert_require "test_gem_require_a"
+
+    stub(:gem_original_require, ->(path) { assert_equal "test_gem_require_a", path }) do
+      require "test_gem_require_a"
+    end
+  end
+
   def test_realworld_default_gem
     testing_ruby_repo = !ENV["GEM_COMMAND"].nil?
     skip "this test can't work under ruby-core setup" if testing_ruby_repo || java_platform?