From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/stdlib-unit-tests/builtin-clone.rs | 45 ++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 src/test/ui/stdlib-unit-tests/builtin-clone.rs

(limited to 'src/test/ui/stdlib-unit-tests/builtin-clone.rs')

diff --git a/src/test/ui/stdlib-unit-tests/builtin-clone.rs b/src/test/ui/stdlib-unit-tests/builtin-clone.rs
new file mode 100644
index 000000000..0874d5bc3
--- /dev/null
+++ b/src/test/ui/stdlib-unit-tests/builtin-clone.rs
@@ -0,0 +1,45 @@
+// run-pass
+// Test that `Clone` is correctly implemented for builtin types.
+// Also test that cloning an array or a tuple is done right, i.e.
+// each component is cloned.
+
+fn test_clone<T: Clone>(arg: T) {
+    let _ = arg.clone();
+}
+
+fn foo() { }
+
+#[derive(Debug, PartialEq, Eq)]
+struct S(i32);
+
+impl Clone for S {
+    fn clone(&self) -> Self {
+        S(self.0 + 1)
+    }
+}
+
+fn main() {
+    test_clone(foo);
+    test_clone([1; 56]);
+    test_clone((1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1));
+
+    let a = [S(0), S(1), S(2)];
+    let b = [S(1), S(2), S(3)];
+    assert_eq!(b, a.clone());
+
+    let a = (
+        (S(1), S(0)),
+        (
+            (S(0), S(0), S(1)),
+            S(0)
+        )
+    );
+    let b = (
+        (S(2), S(1)),
+        (
+            (S(1), S(1), S(2)),
+            S(1)
+        )
+    );
+    assert_eq!(b, a.clone());
+}
-- 
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