Add fetch_nand.

cc #13226 (the tracking issue)

2 files changed, 15 insertions, 0 deletions

diff --git a/src/libcore/tests/atomic.rs b/src/libcore/tests/atomic.rs
index 9babe24a985..f634fabe503 100644
--- a/src/libcore/tests/atomic.rs
+++ b/src/libcore/tests/atomic.rs
@@ -49,6 +49,13 @@ fn uint_and() {
 }
 
 #[test]
+fn uint_nand() {
+    let x = AtomicUsize::new(0xf731);
+    assert_eq!(x.fetch_nand(0x137f, SeqCst), 0xf731);
+    assert_eq!(x.load(SeqCst), !(0xf731 & 0x137f));
+}
+
+#[test]
 fn uint_or() {
     let x = AtomicUsize::new(0xf731);
     assert_eq!(x.fetch_or(0x137f, SeqCst), 0xf731);
@@ -70,6 +77,13 @@ fn int_and() {
 }
 
 #[test]
+fn int_nand() {
+    let x = AtomicIsize::new(0xf731);
+    assert_eq!(x.fetch_nand(0x137f, SeqCst), 0xf731);
+    assert_eq!(x.load(SeqCst), !(0xf731 & 0x137f));
+}
+
+#[test]
 fn int_or() {
     let x = AtomicIsize::new(0xf731);
     assert_eq!(x.fetch_or(0x137f, SeqCst), 0xf731);
diff --git a/src/libcore/tests/lib.rs b/src/libcore/tests/lib.rs
index 1c32452f846..9e90313bc0e 100644
--- a/src/libcore/tests/lib.rs
+++ b/src/libcore/tests/lib.rs
@@ -42,6 +42,7 @@
 #![feature(try_from)]
 #![feature(try_trait)]
 #![feature(exact_chunks)]
+#![feature(atomic_nand)]
 
 extern crate core;
 extern crate test;