1 files changed, 40 insertions, 0 deletions
diff --git a/library/std/src/thread/local/dynamic_tests.rs b/library/std/src/thread/local/dynamic_tests.rs
new file mode 100644
index 000000000..dd1800416
--- /dev/null
+++ b/library/std/src/thread/local/dynamic_tests.rs
@@ -0,0 +1,40 @@
+use crate::cell::RefCell;
+use crate::collections::HashMap;
+use crate::thread_local;
+
+#[test]
+fn smoke() {
+    fn square(i: i32) -> i32 {
+        i * i
+    }
+    thread_local!(static FOO: i32 = square(3));
+
+    FOO.with(|f| {
+        assert_eq!(*f, 9);
+    });
+}
+
+#[test]
+fn hashmap() {
+    fn map() -> RefCell<HashMap<i32, i32>> {
+        let mut m = HashMap::new();
+        m.insert(1, 2);
+        RefCell::new(m)
+    }
+    thread_local!(static FOO: RefCell<HashMap<i32, i32>> = map());
+
+    FOO.with(|map| {
+        assert_eq!(map.borrow()[&1], 2);
+    });
+}
+
+#[test]
+fn refcell_vec() {
+    thread_local!(static FOO: RefCell<Vec<u32>> = RefCell::new(vec![1, 2, 3]));
+
+    FOO.with(|vec| {
+        assert_eq!(vec.borrow().len(), 3);
+        vec.borrow_mut().push(4);
+        assert_eq!(vec.borrow()[3], 4);
+    });
+}