add test r01144.vtc -- differs from the Varnish version, because

names of dynamic backends may begin with a digit (unlike static
backend declarations)

src/tests/r01144.vtc

+varnishtest "very long backend names"
+
+server s1 -repeat 2 {
+	rxreq
+	txresp
+} -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="fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210",
+		    host="${s1_addr}", port="${s1_port}")) {
+			return(fail);
+		}
+	}
+
+	sub vcl_backend_fetch {
+		set bereq.backend = backend_dyn.by_name("fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210");
+	}
+} -start
+
+client c1 {
+	txreq
+	rxresp
+	expect resp.status == 200
+} -run
+
+varnish v1 -expect MAIN.n_backend == 2
+varnish v1 -expect VBE.vcl1.fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.bereq_hdrbytes > 0
+varnish v1 -expect VBE.vcl1.fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.bereq_bodybytes == 0
+varnish v1 -expect VBE.vcl1.fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.beresp_hdrbytes == 38
+varnish v1 -expect VBE.vcl1.fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.beresp_bodybytes == 0
+varnish v1 -expect VBE.vcl1.fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.happy == 0
+varnish v1 -expect VBE.vcl1.fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.req == 1
+varnish v1 -expect VBE.vcl1.fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.conn > 0
+
+# Unlike static backend declarations, dynamic backends may have names that
+# begin with '0'
+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="0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210",
+		    host="${s1_addr}", port="${s1_port}")) {
+			return(fail);
+		}
+	}
+
+	sub vcl_recv {
+		return(pass);
+	}
+
+	sub vcl_backend_fetch {
+		set bereq.backend = backend_dyn.by_name("0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210");
+	}
+}
+
+client c1 -run
+
+varnish v1 -expect MAIN.n_backend == 4
+varnish v1 -expect VBE.vcl2.0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.bereq_hdrbytes > 0
+varnish v1 -expect VBE.vcl2.0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.bereq_bodybytes == 0
+varnish v1 -expect VBE.vcl2.0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.beresp_hdrbytes == 38
+varnish v1 -expect VBE.vcl2.0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.beresp_bodybytes == 0
+varnish v1 -expect VBE.vcl2.0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.happy == 0
+varnish v1 -expect VBE.vcl2.0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.req == 1
+varnish v1 -expect VBE.vcl2.0fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210.conn > 0
+