Update to ruby/spec@4e486fa

1 files changed, 9 insertions, 0 deletions

diff --git a/spec/ruby/core/kernel/shared/require.rb b/spec/ruby/core/kernel/shared/require.rb
index 69977194e9..28fdb5e451 100644
--- a/spec/ruby/core/kernel/shared/require.rb
+++ b/spec/ruby/core/kernel/shared/require.rb
@@ -242,6 +242,15 @@ describe :kernel_require, shared: true do
       @object.require("load_fixture").should be_true
       ScratchPad.recorded.should == [:loaded]
     end
+
+    ruby_bug "#16926", "2.7"..."2.8" do
+      it "does not load a feature twice when $LOAD_PATH has been modified" do
+        $LOAD_PATH.replace [CODE_LOADING_DIR]
+        @object.require("load_fixture").should be_true
+        $LOAD_PATH.replace [File.expand_path("b", CODE_LOADING_DIR), CODE_LOADING_DIR]
+        @object.require("load_fixture").should be_false
+      end
+    end
   end
 
   describe "(file extensions)" do