Use compiletest

Cargo.toml

@@ -8,3 +8,7 @@ authors = ["Manish Goregaokar <manishsmail@gmail.com>"]
 name = "clippy"
 crate_type = ["dylib"]
 
+
+
+[dev-dependencies.compiletest]
+git = "https://github.com/laumann/compiletest-rs.git"

examples/match_if_let.rs

@@ -1,21 +0,0 @@
-#![feature(plugin)]
-
-#![plugin(clippy)]
-
-fn main(){
-    let x = Some(1u);
-    match x {
-        Some(y) => println!("{:?}", y),
-        _ => ()
-    }
-    // Not linted
-    match x {
-        Some(y) => println!("{:?}", y),
-        None => ()
-    }
-    let z = (1u,1u);
-    match z {
-        (2...3, 7...9) => println!("{:?}", z),
-        _ => {}
-    }
-}

tests/compile-fail/box_vec.rs

@@ -1,8 +1,9 @@
 #![feature(plugin)]
 
 #![plugin(clippy)]
+#![deny(clippy)]
 
-pub fn test(foo: Box<Vec<bool>>) {
+pub fn test(foo: Box<Vec<bool>>) { //~ ERROR You seem to be trying to use Box<Vec<T>>
     println!("{:?}", foo.get(0))
 }
 

tests/compile-fail/dlist.rs

@@ -1,11 +1,12 @@
-#![feature(plugin)]
+#![feature(plugin, collections)]
 
 #![plugin(clippy)]
+#![deny(clippy)]
 
 extern crate collections;
 use collections::linked_list::LinkedList;
 
-pub fn test(foo: LinkedList<uint>) {
+pub fn test(foo: LinkedList<u8>) {  //~ ERROR I see you're using a LinkedList!
     println!("{:?}", foo)
 }
 

tests/compile-fail/match_if_let.rs

@@ -0,0 +1,24 @@
+#![feature(plugin)]
+
+#![plugin(clippy)]
+#![deny(clippy)]
+
+fn main(){
+    let x = Some(1u8);
+    match x {  //~ ERROR You seem to be trying to use match
+               //~^ NOTE Try if let Some(y) = x { ... }
+        Some(y) => println!("{:?}", y),
+        _ => ()
+    }
+    // Not linted
+    match x {
+        Some(y) => println!("{:?}", y),
+        None => ()
+    }
+    let z = (1u8,1u8);
+    match z { //~ ERROR You seem to be trying to use match
+              //~^ NOTE Try if let (2...3, 7...9) = z { ... }
+        (2...3, 7...9) => println!("{:?}", z),
+        _ => {}
+    }
+}

tests/compile-fail/toplevel_ref_arg.rs

@@ -1,8 +1,10 @@
 #![feature(plugin)]
 
 #![plugin(clippy)]
+#![deny(clippy)]
+#![allow(unused)]
 
-fn the_answer(ref mut x: u8) {
+fn the_answer(ref mut x: u8) {  //~ ERROR `ref` directly on a function argument is ignored
   *x = 42;
 }
 

tests/compile-test.rs

@@ -0,0 +1,23 @@
+extern crate compiletest;
+
+use std::env;
+use std::process::Command;
+use std::path::PathBuf;
+
+fn run_mode(mode: &'static str) {
+
+    let mut config = compiletest::default_config();
+    let cfg_mode = mode.parse().ok().expect("Invalid mode");
+    config.target_rustcflags = Some("-L target/debug/".to_string());
+
+    config.mode = cfg_mode;
+    config.src_base = PathBuf::from(format!("tests/{}", mode));
+
+    compiletest::run_tests(&config);
+}
+
+#[test]
+fn compile_test() {
+    run_mode("compile-fail");
+    // run_mode("run-pass");
+}