1 files changed, 14 insertions, 0 deletions
diff --git a/test/spec_files.rb b/test/spec_files.rb
index f74e5195..b65a7cfd 100644
--- a/test/spec_files.rb
+++ b/test/spec_files.rb
@@ -192,6 +192,20 @@ describe Rack::Files do
     res.body.must_equal "IS FILE! ***"
   end
 
+  it "handle case where file is truncated during request" do
+    env = Rack::MockRequest.env_for("/cgi/test")
+    env["HTTP_RANGE"] = "bytes=0-3300"
+    files = Class.new(Rack::Files) do
+      def filesize(_); 10000 end
+    end.new(DOCROOT)
+
+    res = Rack::MockResponse.new(*files.call(env))
+
+    res.status.must_equal 206
+    res["content-length"].must_equal "209"
+    res["content-range"].must_equal "bytes 0-3300/10000"
+  end
+
   it "return correct multiple byte ranges in body" do
     env = Rack::MockRequest.env_for("/cgi/test")
     env["HTTP_RANGE"] = "bytes=22-33, 60-80"