From 58b7da46d2051ba27846f2eaedda9a899696bdea Mon Sep 17 00:00:00 2001
From: nwin <nwin@users.noreply.github.com>
Date: Sat, 4 Feb 2017 10:42:12 +0100
Subject: [PATCH] Added tests.

---
 traits/src/ops/wrapping.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/traits/src/ops/wrapping.rs b/traits/src/ops/wrapping.rs
index 699405d..40b266d 100644
--- a/traits/src/ops/wrapping.rs
+++ b/traits/src/ops/wrapping.rs
@@ -75,3 +75,14 @@ wrapping_impl!(WrappingMul, wrapping_mul, i16);
 wrapping_impl!(WrappingMul, wrapping_mul, i32);
 wrapping_impl!(WrappingMul, wrapping_mul, i64);
 wrapping_impl!(WrappingMul, wrapping_mul, isize);
+
+
+#[test]
+fn test_wrapping_traits() {
+    fn wrapping_add<T: WrappingAdd>(a: T, b: T) -> T { a.wrapping_add(&b) }
+    fn wrapping_sub<T: WrappingSub>(a: T, b: T) -> T { a.wrapping_sub(&b) }
+    fn wrapping_mul<T: WrappingMul>(a: T, b: T) -> T { a.wrapping_mul(&b) }
+    assert_eq!(wrapping_add(255, 1), 0u8);
+    assert_eq!(wrapping_sub(0, 1), 255u8);
+    assert_eq!(wrapping_mul(255, 2), 254u8);
+}