cover set objects in tests adapted from Varnish regression tests

src/tests/r00896.vtc

@@ -12,12 +12,19 @@ varnish v1 -vcl+backend {
 
 	sub vcl_init {
 	    new longregex = re2.regex("^(abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij)");
+
+	    new longset = re2.set();
+	    longset.add("^(abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij)");
+	    longset.compile();
 	}
 
 	sub vcl_recv {
 	    if (longregex.match(req.http.host)) {
 		return(synth(500, "not ok"));
             }
+	    if (longset.match(req.http.host)) {
+		return(synth(500, "not ok"));
+            }
 	    if (re2.match("^(abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij|abcdefghij)",
 	                  req.http.host)) {
 		return(synth(500, "not ok"));

src/tests/r00913.vtc

@@ -13,6 +13,14 @@ varnish v1 -vcl+backend {
 	sub vcl_init {
 	        new end = re2.regex("$");
 		new empty = re2.regex("");
+
+	        new endset = re2.set();
+	        endset.add("$");
+	        endset.compile();
+
+		new emptyset = re2.set();
+		emptyset.add("");
+		emptyset.compile();
 	}
 
 	sub vcl_backend_response {
@@ -22,6 +30,12 @@ varnish v1 -vcl+backend {
 		if (empty.match(beresp.http.foo)) {
 			set beresp.http.bar = "YYY";
 		}
+		if (endset.match(beresp.http.bar)) {
+			set beresp.http.foos = "XXX";
+		}
+		if (emptyset.match(beresp.http.foo)) {
+			set beresp.http.bars = "YYY";
+		}
 		if (re2.match("$", beresp.http.bar)) {
 			set beresp.http.foof = "XXX";
 		}
@@ -37,6 +51,8 @@ client c1 {
 	expect resp.status == 200
 	expect resp.http.foo == "XXX"
 	expect resp.http.bar == "YYY"
+	expect resp.http.foos == "XXX"
+	expect resp.http.bars == "YYY"
 	expect resp.http.foof == "XXX"
 	expect resp.http.barf == "YYY"
 } -run