A bit of coverage testing

src/Makefile.am

@@ -28,7 +28,8 @@ AM_VTC_LOG_FLAGS = \
 
 TESTS = \
 	vtc/vmod_zipflow.vtc \
-	vtc/empty.vtc
+	vtc/empty.vtc \
+	vtc/coverage.vtc
 
 # Documentation
 

src/vtc/coverage.vtc

+varnishtest "vmod-zipflow error handling & corner cases"
+
+server s1 {
+	rxreq
+	txresp -bodylen 10240
+} -start
+
+varnish v1 -vcl+backend {
+	import zipflow;
+	import std;
+
+	sub vcl_deliver {
+		zipflow.set_level(0);
+		set resp.filters += " zipflow";
+	}
+} -start
+
+client c1 {
+	txreq
+	rxresphdrs
+	expect resp.status == 200
+	rxchunk
+} -start
+
+client c2 {
+	txreq
+	rxresphdrs
+	expect resp.status == 200
+	rxchunk
+	rxchunk
+} -start
+
+client c3 {
+	txreq
+	rxresphdrs
+	expect resp.status == 200
+	rxchunk
+	rxchunk
+	rxchunk
+} -start
+
+client c4 {
+	txreq
+	rxresphdrs
+	expect resp.status == 200
+	rxchunk
+	rxchunk
+	rxchunk
+	rxchunk
+} -start
+
+client c5 {
+	txreq
+	rxresphdrs
+	expect resp.status == 200
+	rxchunk
+	rxchunk
+	rxchunk
+	rxchunk
+	rxchunk
+} -start
+
+client c1 -wait
+client c2 -wait
+client c3 -wait
+client c4 -wait
+client c5 -wait
\ No newline at end of file