Auto merge of rust-lang#155149 - danieljofficial:move-tests-deref, r=Kivooeo

bors · bors · commit bf4fbfb7a18d · 2026-04-11T13:43:17.000Z
Move deref tests from issues into deref folder Hi, Some deref tests, please look at them when you can r? @Kivooeo
diff --git a/tests/ui/deref/box-pattern-trait-object-cannot-deref.rs b/tests/ui/deref/box-pattern-trait-object-cannot-deref.rs
@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/4972
+
 #![feature(box_patterns)]
 
 trait MyTrait {
diff --git a/tests/ui/deref/box-pattern-trait-object-cannot-deref.stderr b/tests/ui/deref/box-pattern-trait-object-cannot-deref.stderr
@@ -1,5 +1,5 @@
 error[E0033]: type `Box<(dyn MyTrait + 'static)>` cannot be dereferenced
-  --> $DIR/issue-4972.rs:13:25
+  --> $DIR/box-pattern-trait-object-cannot-deref.rs:15:25
    |
 LL |         TraitWrapper::A(box ref map) => map,
    |                         ^^^^^^^^^^^ type `Box<(dyn MyTrait + 'static)>` cannot be dereferenced
diff --git a/tests/ui/deref/deref-impl-for-dyn-trait.rs b/tests/ui/deref/deref-impl-for-dyn-trait.rs
@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/27697
+
 //@ check-pass
 
 use std::ops::Deref;
diff --git a/tests/ui/deref/deref-mut-closure-drop-order.rs b/tests/ui/deref/deref-mut-closure-drop-order.rs
@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/16774
+
 //@ run-pass
 #![feature(box_patterns)]
 
diff --git a/tests/ui/deref/deref-mut-method-through-box.rs b/tests/ui/deref/deref-mut-method-through-box.rs
@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/26205
+
 //@ check-pass
 #![allow(dead_code)]
 use std::ops::{Deref, DerefMut};
diff --git a/tests/ui/deref/deref-newtype-method-call.rs b/tests/ui/deref/deref-newtype-method-call.rs
@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/22992
+
 //@ run-pass
 struct A(B);
 struct B;
diff --git a/tests/ui/deref/deref-newtype-slice-coercion.rs b/tests/ui/deref/deref-newtype-slice-coercion.rs
@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/24589
+
 //@ run-pass
 pub struct _X([u8]);
 
diff --git a/tests/ui/deref/deref-target-in-fn-type.rs b/tests/ui/deref/deref-target-in-fn-type.rs
@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/38381
+
 //@ check-pass
 
 use std::ops::Deref;
diff --git a/tests/ui/deref/deref-to-dyn-fn-mut-callable.rs b/tests/ui/deref/deref-to-dyn-fn-mut-callable.rs
@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/26186
+
 //@ check-pass
 use std::sync::Mutex;
 use std::cell::RefCell;

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+//! Regression test for https://github.com/rust-lang/rust/issues/4972`
	`2`	`+`
`1`	`3`	`#![feature(box_patterns)]`
`2`	`4`
`3`	`5`	`trait MyTrait {`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	error[E0033]: type `Box<(dyn MyTrait + 'static)>` cannot be dereferenced
`2`		`- --> $DIR/issue-4972.rs:13:25`
	`2`	`+ --> $DIR/box-pattern-trait-object-cannot-deref.rs:15:25`
`3`	`3`	`\|`
`4`	`4`	`LL \| TraitWrapper::A(box ref map) => map,`
`5`	`5`	\| ^^^^^^^^^^^ type `Box<(dyn MyTrait + 'static)>` cannot be dereferenced
Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+//! Regression test for https://github.com/rust-lang/rust/issues/27697`
	`2`	`+`
`1`	`3`	`//@ check-pass`
`2`	`4`
`3`	`5`	`use std::ops::Deref;`
Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+//! Regression test for https://github.com/rust-lang/rust/issues/16774`
	`2`	`+`
`1`	`3`	`//@ run-pass`
`2`	`4`	`#![feature(box_patterns)]`
`3`	`5`