Add UI test for new MSRV check

This commit is contained in:
humannum14916 2024-03-20 14:07:53 -04:00
parent 5f7b3c5eea
commit db7c9feaa0
3 changed files with 35 additions and 19 deletions

View file

@ -129,14 +129,16 @@ fn ignore_generic_clone<T: Clone>(a: &mut T, b: &T) {
}
#[clippy::msrv = "1.62"]
fn msrv_1_62(mut a: String, b: &str) {
fn msrv_1_62(mut a: String, b: String, c: &str) {
a.clone_from(&b);
// Should not be linted, as clone_into wasn't stabilized until 1.63
a = b.to_owned();
a = c.to_owned();
}
#[clippy::msrv = "1.63"]
fn msrv_1_63(mut a: String, b: &str) {
b.clone_into(&mut a);
fn msrv_1_63(mut a: String, b: String, c: &str) {
a.clone_from(&b);
c.clone_into(&mut a);
}
macro_rules! clone_inside {

View file

@ -129,14 +129,16 @@ fn ignore_generic_clone<T: Clone>(a: &mut T, b: &T) {
}
#[clippy::msrv = "1.62"]
fn msrv_1_62(mut a: String, b: &str) {
fn msrv_1_62(mut a: String, b: String, c: &str) {
a = b.clone();
// Should not be linted, as clone_into wasn't stabilized until 1.63
a = b.to_owned();
a = c.to_owned();
}
#[clippy::msrv = "1.63"]
fn msrv_1_63(mut a: String, b: &str) {
a = b.to_owned();
fn msrv_1_63(mut a: String, b: String, c: &str) {
a = b.clone();
a = c.to_owned();
}
macro_rules! clone_inside {

View file

@ -67,47 +67,59 @@ error: assigning the result of `Clone::clone()` may be inefficient
LL | a = b.clone();
| ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)`
error: assigning the result of `ToOwned::to_owned()` may be inefficient
--> tests/ui/assigning_clones.rs:139:5
error: assigning the result of `Clone::clone()` may be inefficient
--> tests/ui/assigning_clones.rs:133:5
|
LL | a = b.to_owned();
| ^^^^^^^^^^^^^^^^ help: use `clone_into()`: `b.clone_into(&mut a)`
LL | a = b.clone();
| ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)`
error: assigning the result of `Clone::clone()` may be inefficient
--> tests/ui/assigning_clones.rs:140:5
|
LL | a = b.clone();
| ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)`
error: assigning the result of `ToOwned::to_owned()` may be inefficient
--> tests/ui/assigning_clones.rs:156:5
--> tests/ui/assigning_clones.rs:141:5
|
LL | a = c.to_owned();
| ^^^^^^^^^^^^^^^^ help: use `clone_into()`: `c.clone_into(&mut a)`
error: assigning the result of `ToOwned::to_owned()` may be inefficient
--> tests/ui/assigning_clones.rs:158:5
|
LL | *mut_string = ref_str.to_owned();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(mut_string)`
error: assigning the result of `ToOwned::to_owned()` may be inefficient
--> tests/ui/assigning_clones.rs:160:5
--> tests/ui/assigning_clones.rs:162:5
|
LL | mut_string = ref_str.to_owned();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut mut_string)`
error: assigning the result of `ToOwned::to_owned()` may be inefficient
--> tests/ui/assigning_clones.rs:181:5
--> tests/ui/assigning_clones.rs:183:5
|
LL | **mut_box_string = ref_str.to_owned();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut (*mut_box_string))`
error: assigning the result of `ToOwned::to_owned()` may be inefficient
--> tests/ui/assigning_clones.rs:185:5
--> tests/ui/assigning_clones.rs:187:5
|
LL | **mut_box_string = ref_str.to_owned();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut (*mut_box_string))`
error: assigning the result of `ToOwned::to_owned()` may be inefficient
--> tests/ui/assigning_clones.rs:189:5
--> tests/ui/assigning_clones.rs:191:5
|
LL | *mut_thing = ToOwned::to_owned(ref_str);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(ref_str, mut_thing)`
error: assigning the result of `ToOwned::to_owned()` may be inefficient
--> tests/ui/assigning_clones.rs:193:5
--> tests/ui/assigning_clones.rs:195:5
|
LL | mut_thing = ToOwned::to_owned(ref_str);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(ref_str, &mut mut_thing)`
error: aborting due to 18 previous errors
error: aborting due to 20 previous errors