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-rw-r--r--test/spec_directory.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/spec_directory.rb b/test/spec_directory.rb
index 6ba0d406..42bdea9f 100644
--- a/test/spec_directory.rb
+++ b/test/spec_directory.rb
@@ -63,6 +63,13 @@ describe Rack::Directory do
     assert_match(res, /passed!/)
   end
 
+  it "serve uri with URL encoded null byte (%00) in filenames" do
+    res = Rack::MockRequest.new(Rack::Lint.new(app))
+      .get("/cgi/test%00")
+
+    res.must_be :bad_request?
+  end
+
   it "not allow directory traversal" do
     res = Rack::MockRequest.new(Rack::Lint.new(app)).
       get("/cgi/../test")