Update compilation tests to account for the new `mut` changes

tests/compilation.rs

+//! Compilation tests: they only test if the compilation fails, not the
+//! macro output
+
+use log;
+use micro_timer::timed;
+
+#[test]
+fn check_name_conflict() {
+    #[timed]
+    fn thing(_value: usize) -> usize {
+        let timer = 10;
+        timer
+    }
+
+    assert_eq!(thing(1), 10 as usize);
+}
+
+#[test]
+fn test_mut() {
+    #[timed]
+    fn thing(mut value: usize) {
+        value = 5;
+    }
+
+    thing(1);
+}
+
+#[test]
+fn test_ref_mut() {
+    #[timed]
+    fn thing(value: &mut String) {
+        value.push('a');
+    }
+
+    let mut a = String::new();
+    thing(&mut a);
+    assert_eq!("a", a);
+}
+
+#[test]
+fn test_fn_mut() {
+    #[timed]
+    fn thing(value: &mut String) {
+        value.push('a');
+    }
+
+    let mut a = String::new();
+    thing(&mut a);
+    assert_eq!("a", a);
+}
+
+#[test]
+fn test_mut_struct() {
+    #[timed]
+    fn thing(value: Thing) -> &mut String {
+        value.value
+    }
+
+    let mut s = String::new();
+    struct Thing<'a> {
+        value: &'a mut String,
+    }
+
+    thing(Thing { value: &mut s });
+}
+
+#[test]
+fn test_mut_pointer() {
+    #[timed]
+    fn thing(value: *mut u8) {
+        unsafe { *value != 0u8 };
+    }
+
+    let mut s = String::new();
+    thing(s.as_mut_ptr());
+}

tests/tests.rs

-use log;
-use micro_timer::timed;
-use std::time::Duration;
-
-#[test]
-fn check() {
-    #[timed]
-    fn thing(_value: usize) -> usize {
-        let timer = 10;
-        std::thread::sleep(Duration::from_millis(10));
-        timer
-    }
-
-    assert_eq!(thing(1), 10 as usize);
-}