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-rw-r--r--tests/ui/ptr_ops/ptr-swap-basic.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/ptr_ops/ptr-swap-basic.rs b/tests/ui/ptr_ops/ptr-swap-basic.rs
new file mode 100644
index 00000000000..ce230feeb32
--- /dev/null
+++ b/tests/ui/ptr_ops/ptr-swap-basic.rs
@@ -0,0 +1,14 @@
+//! Check the basic functionality of `std::mem::swap` to ensure it correctly
+//! exchanges the values of two mutable variables.
+
+//@ run-pass
+
+use std::mem::swap;
+
+pub fn main() {
+    let mut x = 3;
+    let mut y = 7;
+    swap(&mut x, &mut y);
+    assert_eq!(x, 7);
+    assert_eq!(y, 3);
+}