diff --git a/codegen/tests/compile-fail/typed-uri-bad-type.rs b/codegen/tests/compile-fail/typed-uri-bad-type.rs
new file mode 100644
index 00000000..98c3f139
--- /dev/null
+++ b/codegen/tests/compile-fail/typed-uri-bad-type.rs
@@ -0,0 +1,35 @@
+#![feature(plugin, decl_macro)]
+#![plugin(rocket_codegen)]
+#![allow(dead_code, unused_variables)]
+
+extern crate rocket;
+
+use rocket::http::RawStr;
+use rocket::request::FromParam;
+
+struct S;
+
+impl<'a> FromParam<'a> for S {
+    type Error = ();
+    fn from_param(param: &'a RawStr) -> Result<Self, Self::Error> { Ok(S) }
+}
+
+#[post("/<id>")]
+fn simple(id: i32) -> &'static str { "" }
+
+#[post("/<id>/<name>")]
+    //~^ ERROR the trait bound `S: std::fmt::Display` is not satisfied
+fn not_uri_display(id: i32, name: S) -> &'static str { "" }
+
+#[post("/<id>/<name>")]
+fn not_uri_display_but_unused(id: i32, name: S) -> &'static str { "" }
+
+fn main() {
+    uri!(simple: id = "hi");
+        //~^ ERROR the trait bound `i32: std::convert::From<&str>` is not satisfied
+    uri!(simple: "hello");
+        //~^ ERROR the trait bound `i32: std::convert::From<&str>` is not satisfied
+    uri!(simple: id = 239239i64);
+        //~^ ERROR the trait bound `i32: std::convert::From<i64>` is not satisfied
+    uri!(not_uri_display: 10, S);
+}
diff --git a/codegen/tests/compile-fail/typed-uris-bad-params.rs b/codegen/tests/compile-fail/typed-uris-bad-params.rs
new file mode 100644
index 00000000..fd040e18
--- /dev/null
+++ b/codegen/tests/compile-fail/typed-uris-bad-params.rs
@@ -0,0 +1,30 @@
+#![feature(plugin, decl_macro, custom_derive)]
+#![plugin(rocket_codegen)]
+#![allow(dead_code, unused_variables)]
+
+extern crate rocket;
+
+use std::fmt;
+
+use rocket::http::Cookies;
+
+#[post("/<id>")]
+fn simple(id: i32) -> &'static str { "" }
+
+#[post("/<id>")]
+fn guard_1(cookies: Cookies, id: i32) -> &'static str { "" }
+
+fn main() {
+    uri!(simple); //~ ERROR expects 1 parameter but 0 were supplied
+    uri!(simple: 1, 23); //~ ERROR expects 1 parameter but 2 were supplied
+    uri!(simple: "Hello", 23, ); //~ ERROR expects 1 parameter but 2 were supplied
+    uri!(guard_1: "hi", 100); //~ ERROR expects 1 parameter but 2 were supplied
+
+    uri!(simple: id = 100, name = "hi"); //~ ERROR invalid parameters
+    uri!(simple: id = 100, id = 100); //~ ERROR invalid parameters
+    uri!(simple: name = 100, id = 100); //~ ERROR invalid parameters
+    uri!(simple: id = 100, id = 100, ); //~ ERROR invalid parameters
+    uri!(simple: name = "hi"); //~ ERROR invalid parameters
+    uri!(guard_1: cookies = "hi", id = 100); //~ ERROR invalid parameters
+    uri!(guard_1: id = 100, cookies = "hi"); //~ ERROR invalid parameters
+}
diff --git a/codegen/tests/compile-fail/typed-uris-invalid-syntax.rs b/codegen/tests/compile-fail/typed-uris-invalid-syntax.rs
new file mode 100644
index 00000000..124c3b45
--- /dev/null
+++ b/codegen/tests/compile-fail/typed-uris-invalid-syntax.rs
@@ -0,0 +1,20 @@
+#![feature(plugin, decl_macro, custom_derive)]
+#![plugin(rocket_codegen)]
+#![allow(dead_code, unused_variables)]
+
+extern crate rocket;
+
+#[post("/<id>/<name>")]
+fn simple(id: i32, name: String) -> &'static str { "" }
+
+fn main() {
+    uri!(simple: id = 100, "Hello"); //~ ERROR cannot be mixed
+    uri!(simple: "Hello", id = 100); //~ ERROR cannot be mixed
+    uri!(simple,); //~ ERROR expected one of `::`, `:`, or `<eof>`
+    uri!(simple:); //~ ERROR expected argument list
+    uri!("mount"); //~ ERROR expected `,`, found `<eof>`
+    uri!("mount",); //~ ERROR expected identifier
+    uri!(); //~ ERROR cannot be empty
+    uri!(simple: id = ); //~ ERROR expected argument list
+        //~^ ERROR expected expression
+}