vtest "IMS + Vary panic"

server s1 {
	rxreq
	txresp -hdr "Vary: Accept-Encoding" -hdr "Last-Modified: Wed, 10 May 2006 07:22:58 GMT" -body "IMS"
	rxreq
	txresp -status 304 -body ""
} -start

vinyl v1 -vcl+backend {
	sub vcl_backend_response {
		set beresp.ttl = 2s;
		set beresp.grace = 1m;
		set beresp.keep = 1m;
		return(deliver);
	}
} -start

client c1 {
	txreq
	rxresp
	expect resp.status == 200
delay 3
	txreq
	rxresp
	expect resp.status == 200
delay 1
	txreq
	rxresp
	expect resp.status == 200
} -run
