From 2d790edac596da5da361475c949aec3e4ffedbb1 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sun, 20 Nov 2022 16:55:58 +0900
Subject: [PATCH] integration: Add http3 test which verifies chunked encoding
 ends prematurely

---
 integration-tests/nghttpx_http3_test.go | 32 +++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/integration-tests/nghttpx_http3_test.go b/integration-tests/nghttpx_http3_test.go
index 11b36c6c..ee4a8ebf 100644
--- a/integration-tests/nghttpx_http3_test.go
+++ b/integration-tests/nghttpx_http3_test.go
@@ -356,3 +356,35 @@ func TestH3ResponseBeforeRequestEnd(t *testing.T) {
 		t.Errorf("res.status: %v; want %v", got, want)
 	}
 }
+
+// TestH3H1ChunkedEndsPrematurely tests that a stream is reset if the
+// backend chunked encoded response ends prematurely.
+func TestH3H1ChunkedEndsPrematurely(t *testing.T) {
+	opts := options{
+		handler: func(w http.ResponseWriter, r *http.Request) {
+			hj, ok := w.(http.Hijacker)
+			if !ok {
+				http.Error(w, "Could not hijack the connection", http.StatusInternalServerError)
+				return
+			}
+			conn, bufrw, err := hj.Hijack()
+			if err != nil {
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+			defer conn.Close()
+			bufrw.WriteString("HTTP/1.1 200\r\nTransfer-Encoding: chunked\r\n\r\n")
+			bufrw.Flush()
+		},
+		quic: true,
+	}
+	st := newServerTester(t, opts)
+	defer st.Close()
+
+	_, err := st.http3(requestParam{
+		name: "TestH3H1ChunkedEndsPrematurely",
+	})
+	if err == nil {
+		t.Fatal("st.http3() should fail")
+	}
+}