PATCH: exercise more VCL expressions

[Federico G. Schwindt]

 bin/varnishtest/tests/v00020.vtc |  110 +++++++++++++++++++++++++++++++++++++-
 1 files changed, 109 insertions(+), 1 deletions(-)

diff --git a/bin/varnishtest/tests/v00020.vtc b/bin/varnishtest/tests/v00020.vtc
index 1e36b43..62a7cbc 100644
--- a/bin/varnishtest/tests/v00020.vtc
+++ b/bin/varnishtest/tests/v00020.vtc
@@ -26,7 +26,7 @@ varnish v1 -vcl {
 varnish v1 -badvcl {
 	sub vcl_recv {
 		if (!req.restarts != req.url) {
-			set req.http.foo = "foo" + 3;
+			set req.http.foo = "foo";
 		}
 
 	}
@@ -79,3 +79,111 @@ varnish v1 -badvcl {
 		}
 	}
 }
+
+varnish v1 -vcl {
+	backend b { .host = "127.0.0.1"; }
+	sub vcl_recv {
+		set req.http.foo = "foo" + "bar";
+		set req.http.foo = "foo" + 1;
+		set req.http.foo = "foo" + now;
+
+		set req.http.foo = now + 1s;
+		set req.http.foo = now - 1s;
+		set req.http.foo = now - now;
+
+		set req.http.foo = 1 + 1;
+		set req.http.foo = 1 - 1;
+
+		set req.ttl = 1s;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = "foo" - "bar";
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = now + "foo";
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = now + now;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = now + 1;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = 1 + "foo";
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = 1 + now;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = 1 + 1s;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = 1s;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = 1s + 1;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = 1s + now;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = 1s + "foo";
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.http.foo = "foo" + 1s;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.ttl = 1s + 1;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.ttl = 1s + now;
+	}
+}
+
+varnish v1 -badvcl {
+	sub vcl_recv {
+		set req.ttl = 1s + "foo";
+	}
+}