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-rw-r--r--test/spec_file.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/test/spec_file.rb b/test/spec_file.rb
index 353dcdfe..3106e629 100644
--- a/test/spec_file.rb
+++ b/test/spec_file.rb
@@ -68,6 +68,11 @@ describe Rack::File do
     assert_match(res, /ruby/)
   end
 
+  it "serve uri with URL encoded null byte (%00) in filenames" do
+    res = Rack::MockRequest.new(file(DOCROOT)).get("/cgi/test%00")
+    res.must_be :bad_request?
+  end
+
   it "allow safe directory traversal" do
     req = Rack::MockRequest.new(file(DOCROOT))