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Split up drop_forget_ref ui test

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This commit is contained in:
Yuki Okushi 2020-02-01 20:28:27 +09:00
parent f3e2ccd54e
commit fa32b41365
5 changed files with 275 additions and 244 deletions
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220
tests/ui/drop_forget_ref.stderr
View file

@ -1,220 +0,0 @@
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:9:5
|
LL | drop(&SomeStruct);
| ^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::drop-ref` implied by `-D warnings`
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:9:10
|
LL | drop(&SomeStruct);
| ^^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:10:5
|
LL | forget(&SomeStruct);
| ^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::forget-ref` implied by `-D warnings`
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:10:12
|
LL | forget(&SomeStruct);
| ^^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:13:5
|
LL | drop(&owned1);
| ^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:13:10
|
LL | drop(&owned1);
| ^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:14:5
|
LL | drop(&&owned1);
| ^^^^^^^^^^^^^^
|
note: argument has type `&&SomeStruct`
--> $DIR/drop_forget_ref.rs:14:10
|
LL | drop(&&owned1);
| ^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:15:5
|
LL | drop(&mut owned1);
| ^^^^^^^^^^^^^^^^^
|
note: argument has type `&mut SomeStruct`
--> $DIR/drop_forget_ref.rs:15:10
|
LL | drop(&mut owned1);
| ^^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:18:5
|
LL | forget(&owned2);
| ^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:18:12
|
LL | forget(&owned2);
| ^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:19:5
|
LL | forget(&&owned2);
| ^^^^^^^^^^^^^^^^
|
note: argument has type `&&SomeStruct`
--> $DIR/drop_forget_ref.rs:19:12
|
LL | forget(&&owned2);
| ^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:20:5
|
LL | forget(&mut owned2);
| ^^^^^^^^^^^^^^^^^^^
|
note: argument has type `&mut SomeStruct`
--> $DIR/drop_forget_ref.rs:20:12
|
LL | forget(&mut owned2);
| ^^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:24:5
|
LL | drop(reference1);
| ^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:24:10
|
LL | drop(reference1);
| ^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:25:5
|
LL | forget(&*reference1);
| ^^^^^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:25:12
|
LL | forget(&*reference1);
| ^^^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:28:5
|
LL | drop(reference2);
| ^^^^^^^^^^^^^^^^
|
note: argument has type `&mut SomeStruct`
--> $DIR/drop_forget_ref.rs:28:10
|
LL | drop(reference2);
| ^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:30:5
|
LL | forget(reference3);
| ^^^^^^^^^^^^^^^^^^
|
note: argument has type `&mut SomeStruct`
--> $DIR/drop_forget_ref.rs:30:12
|
LL | forget(reference3);
| ^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:33:5
|
LL | drop(reference4);
| ^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:33:10
|
LL | drop(reference4);
| ^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:34:5
|
LL | forget(reference4);
| ^^^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:34:12
|
LL | forget(reference4);
| ^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:39:5
|
LL | drop(&val);
| ^^^^^^^^^^
|
note: argument has type `&T`
--> $DIR/drop_forget_ref.rs:39:10
|
LL | drop(&val);
| ^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:45:5
|
LL | forget(&val);
| ^^^^^^^^^^^^
|
note: argument has type `&T`
--> $DIR/drop_forget_ref.rs:45:12
|
LL | forget(&val);
| ^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_forget_ref.rs:53:5
|
LL | std::mem::drop(&SomeStruct);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:53:20
|
LL | std::mem::drop(&SomeStruct);
| ^^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/drop_forget_ref.rs:56:5
|
LL | std::mem::forget(&SomeStruct);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_forget_ref.rs:56:22
|
LL | std::mem::forget(&SomeStruct);
| ^^^^^^^^^^^
error: aborting due to 18 previous errors

29
tests/ui/drop_forget_ref.rs → tests/ui/drop_ref.rs
View file

@ -1,37 +1,27 @@
#![warn(clippy::drop_ref, clippy::forget_ref)]
#![allow(clippy::toplevel_ref_arg, clippy::similar_names, clippy::needless_pass_by_value)]
#![warn(clippy::drop_ref)]
#![allow(clippy::toplevel_ref_arg)]
use std::mem::{drop, forget};
use std::mem::drop;
struct SomeStruct;
fn main() {
drop(&SomeStruct);
forget(&SomeStruct);
let mut owned1 = SomeStruct;
drop(&owned1);
drop(&&owned1);
drop(&mut owned1);
drop(owned1); //OK
let mut owned2 = SomeStruct;
forget(&owned2);
forget(&&owned2);
forget(&mut owned2);
forget(owned2); //OK
let reference1 = &SomeStruct;
drop(reference1);
forget(&*reference1);
let reference2 = &mut SomeStruct;
drop(reference2);
let reference3 = &mut SomeStruct;
forget(reference3);
let ref reference4 = SomeStruct;
drop(reference4);
forget(reference4);
let ref reference3 = SomeStruct;
drop(reference3);
}
#[allow(dead_code)]
@ -40,20 +30,11 @@ fn test_generic_fn_drop<T>(val: T) {
drop(val); //OK
}
#[allow(dead_code)]
fn test_generic_fn_forget<T>(val: T) {
forget(&val);
forget(val); //OK
}
#[allow(dead_code)]
fn test_similarly_named_function() {
fn drop<T>(_val: T) {}
drop(&SomeStruct); //OK; call to unrelated function which happens to have the same name
std::mem::drop(&SomeStruct);
fn forget<T>(_val: T) {}
forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name
std::mem::forget(&SomeStruct);
}
#[derive(Copy, Clone)]

111
tests/ui/drop_ref.stderr Normal file
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@ -0,0 +1,111 @@
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:9:5
|
LL | drop(&SomeStruct);
| ^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::drop-ref` implied by `-D warnings`
note: argument has type `&SomeStruct`
--> $DIR/drop_ref.rs:9:10
|
LL | drop(&SomeStruct);
| ^^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:12:5
|
LL | drop(&owned1);
| ^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_ref.rs:12:10
|
LL | drop(&owned1);
| ^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:13:5
|
LL | drop(&&owned1);
| ^^^^^^^^^^^^^^
|
note: argument has type `&&SomeStruct`
--> $DIR/drop_ref.rs:13:10
|
LL | drop(&&owned1);
| ^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:14:5
|
LL | drop(&mut owned1);
| ^^^^^^^^^^^^^^^^^
|
note: argument has type `&mut SomeStruct`
--> $DIR/drop_ref.rs:14:10
|
LL | drop(&mut owned1);
| ^^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:18:5
|
LL | drop(reference1);
| ^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_ref.rs:18:10
|
LL | drop(reference1);
| ^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:21:5
|
LL | drop(reference2);
| ^^^^^^^^^^^^^^^^
|
note: argument has type `&mut SomeStruct`
--> $DIR/drop_ref.rs:21:10
|
LL | drop(reference2);
| ^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:24:5
|
LL | drop(reference3);
| ^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_ref.rs:24:10
|
LL | drop(reference3);
| ^^^^^^^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:29:5
|
LL | drop(&val);
| ^^^^^^^^^^
|
note: argument has type `&T`
--> $DIR/drop_ref.rs:29:10
|
LL | drop(&val);
| ^^^^
error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
--> $DIR/drop_ref.rs:37:5
|
LL | std::mem::drop(&SomeStruct);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/drop_ref.rs:37:20
|
LL | std::mem::drop(&SomeStruct);
| ^^^^^^^^^^^
error: aborting due to 9 previous errors

48
tests/ui/forget_ref.rs Normal file
View file

@ -0,0 +1,48 @@
#![warn(clippy::forget_ref)]
#![allow(clippy::toplevel_ref_arg)]
use std::mem::forget;
struct SomeStruct;
fn main() {
forget(&SomeStruct);
let mut owned = SomeStruct;
forget(&owned);
forget(&&owned);
forget(&mut owned);
forget(owned); //OK
let reference1 = &SomeStruct;
forget(&*reference1);
let reference2 = &mut SomeStruct;
forget(reference2);
let ref reference3 = SomeStruct;
forget(reference3);
}
#[allow(dead_code)]
fn test_generic_fn_forget<T>(val: T) {
forget(&val);
forget(val); //OK
}
#[allow(dead_code)]
fn test_similarly_named_function() {
fn forget<T>(_val: T) {}
forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name
std::mem::forget(&SomeStruct);
}
#[derive(Copy, Clone)]
pub struct Error;
fn produce_half_owl_error() -> Result<(), Error> {
Ok(())
}
fn produce_half_owl_ok() -> Result<bool, ()> {
Ok(true)
}

111
tests/ui/forget_ref.stderr Normal file
View file

@ -0,0 +1,111 @@
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:9:5
|
LL | forget(&SomeStruct);
| ^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::forget-ref` implied by `-D warnings`
note: argument has type `&SomeStruct`
--> $DIR/forget_ref.rs:9:12
|
LL | forget(&SomeStruct);
| ^^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:12:5
|
LL | forget(&owned);
| ^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/forget_ref.rs:12:12
|
LL | forget(&owned);
| ^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:13:5
|
LL | forget(&&owned);
| ^^^^^^^^^^^^^^^
|
note: argument has type `&&SomeStruct`
--> $DIR/forget_ref.rs:13:12
|
LL | forget(&&owned);
| ^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:14:5
|
LL | forget(&mut owned);
| ^^^^^^^^^^^^^^^^^^
|
note: argument has type `&mut SomeStruct`
--> $DIR/forget_ref.rs:14:12
|
LL | forget(&mut owned);
| ^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:18:5
|
LL | forget(&*reference1);
| ^^^^^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/forget_ref.rs:18:12
|
LL | forget(&*reference1);
| ^^^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:21:5
|
LL | forget(reference2);
| ^^^^^^^^^^^^^^^^^^
|
note: argument has type `&mut SomeStruct`
--> $DIR/forget_ref.rs:21:12
|
LL | forget(reference2);
| ^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:24:5
|
LL | forget(reference3);
| ^^^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/forget_ref.rs:24:12
|
LL | forget(reference3);
| ^^^^^^^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:29:5
|
LL | forget(&val);
| ^^^^^^^^^^^^
|
note: argument has type `&T`
--> $DIR/forget_ref.rs:29:12
|
LL | forget(&val);
| ^^^^
error: calls to `std::mem::forget` with a reference instead of an owned value. Forgetting a reference does nothing.
--> $DIR/forget_ref.rs:37:5
|
LL | std::mem::forget(&SomeStruct);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: argument has type `&SomeStruct`
--> $DIR/forget_ref.rs:37:22
|
LL | std::mem::forget(&SomeStruct);
| ^^^^^^^^^^^
error: aborting due to 9 previous errors