Auto merge of #9684 - kraktus:ref_option_ref, r=xFrednet

[rust.git] / tests / ui / identity_op.rs

diff --git a/tests/ui/identity_op.rs b/tests/ui/identity_op.rs
index 9d39d7696354c50c1c9534f7af6175c20de9b8b6..9a435cdbb753f34dca293efde32429b27817e88f 100644 (file)
--- a/tests/ui/identity_op.rs
+++ b/tests/ui/identity_op.rs
@@ -1,3 +1,15 @@
+// run-rustfix
+#![warn(clippy::identity_op)]
+#![allow(unused)]
+#![allow(
+    clippy::eq_op,
+    clippy::no_effect,
+    clippy::unnecessary_operation,
+    clippy::op_ref,
+    clippy::double_parens,
+    clippy::uninlined_format_args
+)]
+
 use std::fmt::Write as _;
 
 const ONE: i64 = 1;
@@ -24,14 +36,6 @@ fn mul(self, _: Meter) -> Length {
     }
 }
 
-#[allow(
-    clippy::eq_op,
-    clippy::no_effect,
-    clippy::unnecessary_operation,
-    clippy::op_ref,
-    clippy::double_parens
-)]
-#[warn(clippy::identity_op)]
 #[rustfmt::skip]
 fn main() {
     let x = 0;
@@ -64,7 +68,7 @@ fn main() {
     &x >> 0;
     x >> &0;
 
-    let mut a = A("".into());
+    let mut a = A(String::new());
     let b = a << 0; // no error: non-integer
 
     1 * Meter; // no error: non-integer
@@ -77,4 +81,39 @@ fn main() {
     (x + 1) % 3; // no error
     4 % 3; // no error
     4 % -3; // no error
+
+    // See #8724
+    let a = 0;
+    let b = true;
+    0 + if b { 1 } else { 2 };
+    0 + if b { 1 } else { 2 } + if b { 3 } else { 4 };
+    0 + match a { 0 => 10, _ => 20 };
+    0 + match a { 0 => 10, _ => 20 } + match a { 0 => 30, _ => 40 };
+    0 + if b { 1 } else { 2 } + match a { 0 => 30, _ => 40 };
+    0 + match a { 0 => 10, _ => 20 } + if b { 3 } else { 4 };
+    (if b { 1 } else { 2 }) + 0;
+
+    0 + { a } + 3;
+    0 + { a } * 2;
+    0 + loop { let mut c = 0; if c == 10 { break c; } c += 1; } + { a * 2 };
+
+    fn f(_: i32) {
+        todo!();
+    }
+    f(1 * a + { 8 * 5 });
+    f(0 + if b { 1 } else { 2 } + 3);
+    const _: i32 = { 2 * 4 } + 0 + 3;
+    const _: i32 = 0 + { 1 + 2 * 3 } + 3;
+
+    0 + a as usize;
+    let _ = 0 + a as usize;
+    0 + { a } as usize;
+
+    2 * (0 + { a });
+    1 * ({ a } + 4);
+    1 * 1;
+}
+
+pub fn decide(a: bool, b: bool) -> u32 {
+    0 + if a { 1 } else { 2 } + if b { 3 } else { 5 }
 }