From dc0db358abe19481e475e10c32149b53370f1a1c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 30 May 2024 05:57:31 +0200
Subject: Merging upstream version 1.72.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../ui-toml/excessive_nesting/excessive_nesting.rs | 197 +++++++++++++++++++++
 1 file changed, 197 insertions(+)
 create mode 100644 src/tools/clippy/tests/ui-toml/excessive_nesting/excessive_nesting.rs

(limited to 'src/tools/clippy/tests/ui-toml/excessive_nesting/excessive_nesting.rs')

diff --git a/src/tools/clippy/tests/ui-toml/excessive_nesting/excessive_nesting.rs b/src/tools/clippy/tests/ui-toml/excessive_nesting/excessive_nesting.rs
new file mode 100644
index 000000000..c28220b97
--- /dev/null
+++ b/src/tools/clippy/tests/ui-toml/excessive_nesting/excessive_nesting.rs
@@ -0,0 +1,197 @@
+//@aux-build:proc_macros.rs:proc-macro
+#![rustfmt::skip]
+#![feature(custom_inner_attributes)]
+#![allow(unused)]
+#![allow(clippy::let_and_return)]
+#![allow(clippy::redundant_closure_call)]
+#![allow(clippy::no_effect)]
+#![allow(clippy::unnecessary_operation)]
+#![allow(clippy::never_loop)]
+#![allow(clippy::needless_if)]
+#![warn(clippy::excessive_nesting)]
+#![allow(clippy::collapsible_if)]
+
+#[macro_use]
+extern crate proc_macros;
+
+static X: u32 = {
+    let x = {
+        let y = {
+            let z = {
+                let w = { 3 };
+                w
+            };
+            z
+        };
+        y
+    };
+    x
+};
+
+macro_rules! xx {
+    () => {{
+        {
+            {
+                {
+                    {
+                        {
+                            {
+                                {
+                                    {
+                                        {
+                                            {
+                                                println!("ehe"); // should not lint
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }};
+}
+
+struct A;
+
+impl A {
+    pub fn a(&self, v: u32) {
+        struct B;
+
+        impl B {
+            pub fn b() {
+                struct C;
+
+                impl C {
+                    pub fn c() {}
+                }
+            }
+        }
+    }
+}
+
+struct D { d: u32 }
+
+trait Lol {
+    fn lmao() {
+        fn bb() {
+            fn cc() {
+                let x = { 1 }; // not a warning, but cc is
+            }
+
+            let x = { 1 }; // warning
+        }
+    }
+}
+
+#[allow(clippy::excessive_nesting)]
+fn l() {{{{{{{{{}}}}}}}}}
+
+use a::{b::{c::{d::{e::{f::{}}}}}}; // should not lint
+
+pub mod a {
+    pub mod b {
+        pub mod c {
+            pub mod d {
+                pub mod e {
+                    pub mod f {}
+                } // not here
+            } // only warning should be here
+        }
+    }
+}
+
+fn a_but_not(v: u32) {}
+
+fn main() {
+    let a = A;
+
+    a_but_not({{{{{{{{0}}}}}}}});
+    a.a({{{{{{{{{0}}}}}}}}});
+    (0, {{{{{{{1}}}}}}});
+
+    if true {
+        if true {
+            if true {
+                if true {
+                    if true {
+
+                    }
+                }
+            }
+        }
+    }
+
+    let y = (|| {
+        let x = (|| {
+            let y = (|| {
+                let z = (|| {
+                    let w = { 3 };
+                    w
+                })();
+                z
+            })();
+            y
+        })();
+        x
+    })();
+
+    external! { {{{{{{{{{{{{{{{{}}}}}}}}}}}}}}}} }; // ensure this isn't linted in external macros
+    with_span! { span {{{{{{{{{{{{}}}}}}}}}}}} }; // don't lint for proc macros
+    xx!(); // ensure this is never linted
+    let boo = true;
+    !{boo as u32 + !{boo as u32 + !{boo as u32}}};
+
+    // this is a mess, but that's intentional
+    let mut y = 1;
+    y += {{{{{5}}}}};
+    let z = y + {{{{{{{{{5}}}}}}}}};
+    [0, {{{{{{{{{{0}}}}}}}}}}];
+    let mut xx = [0; {{{{{{{{100}}}}}}}}];
+    xx[{{{{{{{{{{{{{{{{{{{{{{{{3}}}}}}}}}}}}}}}}}}}}}}}}];
+    &mut {{{{{{{{{{y}}}}}}}}}};
+
+    for i in {{{{xx}}}} {{{{{{{{}}}}}}}}
+
+    while let Some(i) = {{{{{{Some(1)}}}}}} {{{{{{{}}}}}}}
+    
+    while {{{{{{{{true}}}}}}}} {{{{{{{{{}}}}}}}}}
+
+    let d = D { d: {{{{{{{{{{{{{{{{{{{{{{{3}}}}}}}}}}}}}}}}}}}}}}} };
+
+    {{{{1;}}}}..{{{{{{3}}}}}};
+    {{{{1;}}}}..={{{{{{{{{{{{{{{{{{{{{{{{{{6}}}}}}}}}}}}}}}}}}}}}}}}}};
+    ..{{{{{{{5}}}}}}};
+    ..={{{{{3}}}}};
+    {{{{{1;}}}}}..;
+
+    loop { break {{{{1}}}} };
+    loop {{{{{{}}}}}}
+
+    match {{{{{{true}}}}}} {
+        true => {{{{}}}},
+        false => {{{{}}}},
+    }
+
+    {
+        {
+            {
+                {
+                    println!("warning! :)");
+                }
+            }
+        }
+    }
+}
+
+async fn b() -> u32 {
+    async fn c() -> u32 {{{{{{{0}}}}}}}
+
+    c().await
+}
+
+async fn a() {
+    {{{{b().await}}}};
+}
-- 
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