mut_mut_macro is missing plugin(clippy)

[rust.git] / tests / mut_mut_macro.rs

diff --git a/tests/mut_mut_macro.rs b/tests/mut_mut_macro.rs
index bc39278606c71ea2b9490004e15c57716fad8716..a6473b0f909e1261658f1f7a9ec658a666f7126b 100644 (file)
--- a/tests/mut_mut_macro.rs
+++ b/tests/mut_mut_macro.rs
@@ -1,11 +1,31 @@
 #![feature(plugin)]
-#![plugin(clippy, regex_macros)]
+#![plugin(clippy)]
+#![deny(mut_mut, zero_ptr, cmp_nan)]
+#![allow(dead_code)]
 
-extern crate regex;
+#[macro_use]
+extern crate lazy_static;
 
-#[test]
-#[deny(mut_mut)]
-fn test_regex() {
-       let pattern = regex!(r"^(?P<level>[#]+)\s(?P<title>.+)$");
-       assert!(pattern.is_match("# headline"));
+use std::collections::HashMap;
+
+// ensure that we don't suggest `is_nan` and `is_null` inside constants
+// FIXME: once const fn is stable, suggest these functions again in constants
+const BAA: *const i32 = 0 as *const i32;
+static mut BAR: *const i32 = BAA;
+static mut FOO: *const i32 = 0 as *const i32;
+static mut BUH: bool = 42.0 < std::f32::NAN;
+
+#[allow(unused_variables, unused_mut)]
+fn main() {
+    lazy_static! {
+        static ref MUT_MAP : HashMap<usize, &'static str> = {
+            let mut m = HashMap::new();
+            m.insert(0, "zero");
+            m
+        };
+        static ref MUT_COUNT : usize = MUT_MAP.len();
+    }
+    assert_eq!(*MUT_COUNT, 1);
+    // FIXME: don't lint in array length, requires `check_body`
+    //let _ = [""; (42.0 < std::f32::NAN) as usize];
 }