varnishtest "http header collision -/_"

server s1 {
	rxreq
	txresp
} -start

varnish v1 -vcl+backend {
	sub vcl_deliver {
		if (req.http.foo_bar == req.http.foo-bar) {
			set resp.http.foo = "xxx";
		} else {
			set resp.http.foo = "yyy";
		}
	}
} -start

client c1 {
	txreq -hdr "foo_bar: 1" -hdr "foo-bar: 2"
	rxresp
	expect resp.http.foo == yyy
} -run
