Test configuration file typing errors

tests/compile-fail/conf_bad_type.rs

@@ -0,0 +1,6 @@
+// error-pattern: error reading Clippy's configuration file: `blacklisted-names` is expected to be a `Vec < String >` but is a `integer`
+
+#![feature(plugin)]
+#![plugin(clippy(conf_file="./tests/compile-fail/conf_bad_type.toml"))]
+
+fn main() {}

tests/compile-fail/conf_bad_type.toml

@@ -0,0 +1 @@
+blacklisted-names = 42