add test r00942.vtc

src/tests/r00942.vtc

+varnishtest "#942 junk after gzip from backend"
+
+server s1 {
+	rxreq
+	txresp -nolen \
+		-hdr "Content-Encoding: gzip" \
+		-hdr "Connection: close" \
+		-hdr "Transfer-Encoding: Chunked"
+	send "14\r\n"
+		# An empty gzip file:
+		sendhex "1f8b"
+		sendhex "08"
+		sendhex "00"
+		sendhex "00000000"
+		sendhex "00"
+		sendhex "03"
+		sendhex "0300"
+		sendhex "00000000"
+		sendhex "00000000"
+	send "\r\n"
+	chunked "FOOBAR"
+	non-fatal
+	chunkedlen 0
+} -start
+
+varnish v1 -vcl {
+	import backend_dyn from "${vmod_topbuild}/src/.libs/libvmod_backend_dyn.so";
+
+	backend dummy { .host = "${bad_ip}"; }
+
+	sub vcl_init {
+		if (!backend_dyn.create(name="be", host="${s1_addr}",
+		   		        	   port="${s1_port}")) {
+			return(fail);
+		}
+	}
+
+	sub vcl_recv {
+		set req.backend_hint = backend_dyn.by_name("be");
+	}
+	
+	sub vcl_backend_response {
+		set beresp.do_stream = false;
+		if (bereq.http.foo == "foo") {
+			set beresp.do_gunzip = true;
+		}
+	}
+}
+
+varnish v1 -cliok "param.set debug +syncvsl"
+varnish v1 -start
+
+client c1 {
+	txreq -url /1
+	rxresp
+	expect resp.status == 503
+} -run
+
+server s1 -wait {
+	fatal
+	rxreq
+	txresp -nolen \
+		-hdr "Content-Encoding: gzip" \
+		-hdr "Connection: close" \
+		-hdr "Transfer-Encoding: Chunked"
+	send "14\r\n"
+		# An empty gzip file:
+		sendhex "1f8b"
+		sendhex "08"
+		sendhex "00"
+		sendhex "00000000"
+		sendhex "00"
+		sendhex "03"
+		sendhex "0300"
+		sendhex "00000000"
+		sendhex "00000000"
+	send "\r\n"
+	chunked "FOOBAR"
+	non-fatal
+	chunkedlen 0
+} -start
+
+
+client c1 {
+	txreq -url /2 -hdr "Foo: foo"
+	rxresp
+	expect resp.status == 503
+} -run
+