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/tools/clippy/tests/ui/string_add.rs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/tools/clippy/tests/ui/string_add.rs

(limited to 'src/tools/clippy/tests/ui/string_add.rs')

diff --git a/src/tools/clippy/tests/ui/string_add.rs b/src/tools/clippy/tests/ui/string_add.rs
new file mode 100644
index 000000000..30fd17c59
--- /dev/null
+++ b/src/tools/clippy/tests/ui/string_add.rs
@@ -0,0 +1,26 @@
+// aux-build:macro_rules.rs
+
+#[macro_use]
+extern crate macro_rules;
+
+#[warn(clippy::string_add)]
+#[allow(clippy::string_add_assign, unused)]
+fn main() {
+    // ignores assignment distinction
+    let mut x = "".to_owned();
+
+    for _ in 1..3 {
+        x = x + ".";
+    }
+
+    let y = "".to_owned();
+    let z = y + "...";
+
+    assert_eq!(&x, &z);
+
+    let mut x = 1;
+    x = x + 1;
+    assert_eq!(2, x);
+
+    string_add!();
+}
-- 
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