add tests for character encodings with the set object interface

src/tests/encoding.vtc

@@ -3,6 +3,9 @@
 varnishtest "latin1 and utf8 encoding"
 
 # Tests from re2 testing/re2_test.cc
+
+# regex object and match function
+
 varnish v1 -vcl {
 	import re2 from "${vmod_topbuild}/src/.libs/libvmod_re2.so";
 	backend b { .host = "${bad_ip}"; }
@@ -116,3 +119,73 @@ client c1 {
 	expect resp.http.patternbytesf == <undef>
 	expect resp.http.patterncharsf == "match"
 } -run
+
+# set object
+
+varnish v1 -vcl {
+	import re2 from "${vmod_topbuild}/src/.libs/libvmod_re2.so";
+	backend b { .host = "${bad_ip}"; }
+
+	sub vcl_init {
+	       new ninebytes = re2.set();
+	       ninebytes.add("^.........$");
+	       ninebytes.compile();
+
+	       new threechars = re2.set(utf8=true);
+	       threechars.add("^...$");
+	       threechars.compile();
+
+	       new bytes = re2.set();
+	       bytes.add({"^日扼語$"});
+	       bytes.compile();
+
+	       new chars = re2.set(utf8=true);
+	       chars.add({"^日扼語$"});
+	       chars.compile();
+
+	       new patternbytes = re2.set();
+	       patternbytes.add({"^.扼.$"});
+	       patternbytes.compile();
+
+	       new patternchars = re2.set(utf8=true);
+	       patternchars.add({"^.扼.$"});
+	       patternchars.compile();
+	}
+
+	sub vcl_recv {
+		return(synth(200));
+	}
+
+	sub vcl_synth {
+		if (ninebytes.match({"日扼語"})) {
+			set resp.http.ninebytes = "match";
+		}
+		if (threechars.match({"日扼語"})) {
+			set resp.http.threechars = "match";
+		}
+		if (bytes.match({"日扼語"})) {
+			set resp.http.bytes = "match";
+		}
+		if (chars.match({"日扼語"})) {
+			set resp.http.chars = "match";
+		}
+		if (patternbytes.match({"日扼語"})) {
+			set resp.http.patternbytes = "match";
+		}
+		if (patternchars.match({"日扼語"})) {
+			set resp.http.patternchars = "match";
+		}
+	}
+
+}
+
+client c1 {
+	txreq
+	rxresp
+	expect resp.http.ninebytes == "match"
+	expect resp.http.threechars == "match"
+	expect resp.http.bytes == "match"
+	expect resp.http.chars == "match"
+	expect resp.http.patternbytes == <undef>
+	expect resp.http.patternchars == "match"
+} -run