vtest "sweep through tight backend workspace conditions"

# XXX almost the same as r01834.vtc - retire?

server s1 -repeat 100 {
	non_fatal
	rxreq
	send "HTTP/1.1 200 OK\r\nTransfer-encoding: chunked\r\n\r\n00000004\r\n1234\r\n00000000\r\n\r\n"
} -start

vinyl v1 -vcl+backend {
	import vtc;
	sub vcl_recv {
		return (pass);
	}
	sub vcl_backend_fetch {
		vtc.workspace_alloc(backend, -4 * (bereq.xid - 1000) / 2);
	}
} -start

client c1 -repeat 100 {
	txreq -url "/"
	# some responses will fail (503), some won't. All we care
	# about here is the fact that we don't panic
	rxresp
} -run
