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/map_flatten.rs | 55 ++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 src/tools/clippy/tests/ui/map_flatten.rs

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

diff --git a/src/tools/clippy/tests/ui/map_flatten.rs b/src/tools/clippy/tests/ui/map_flatten.rs
new file mode 100644
index 000000000..7d47ee09d
--- /dev/null
+++ b/src/tools/clippy/tests/ui/map_flatten.rs
@@ -0,0 +1,55 @@
+#![warn(clippy::map_flatten)]
+#![feature(result_flattening)]
+
+// issue #8506, multi-line
+#[rustfmt::skip]
+fn long_span() {
+    let _: Option<i32> = Some(1)
+        .map(|x| {
+            if x <= 5 {
+                Some(x)
+            } else {
+                None
+            }
+        })
+        .flatten();
+
+    let _: Result<i32, i32> = Ok(1)
+        .map(|x| {
+            if x == 1 {
+                Ok(x)
+            } else {
+                Err(0)
+            }
+        })
+        .flatten();
+
+    let result: Result<i32, i32> = Ok(2);
+    fn do_something() { }
+    let _: Result<i32, i32> = result
+        .map(|res| {
+            if res > 0 {
+                do_something();
+                Ok(res)
+            } else {
+                Err(0)
+            }
+        })
+        .flatten();
+        
+    let _: Vec<_> = vec![5_i8; 6]
+        .into_iter()
+        .map(|some_value| {
+            if some_value > 3 {
+                Some(some_value)
+            } else {
+                None
+            }
+        })
+        .flatten()
+        .collect();
+}
+
+fn main() {
+    long_span();
+}
-- 
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