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add- and fix existing tests

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y21 2023-06-12 16:04:34 +02:00
parent b309875fd8
commit 50ba459987
15 changed files with 82 additions and 62 deletions
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1
tests/ui/cloned_instead_of_copied.fixed
View file

@ -2,6 +2,7 @@
#![warn(clippy::cloned_instead_of_copied)]
#![allow(unused)]
#![allow(clippy::useless_vec)]
fn main() {
// yay

1
tests/ui/cloned_instead_of_copied.rs
View file

@ -2,6 +2,7 @@
#![warn(clippy::cloned_instead_of_copied)]
#![allow(unused)]
#![allow(clippy::useless_vec)]
fn main() {
// yay

16
tests/ui/cloned_instead_of_copied.stderr
View file

@ -1,5 +1,5 @@
error: used `cloned` where `copied` could be used instead
--> $DIR/cloned_instead_of_copied.rs:8:24
--> $DIR/cloned_instead_of_copied.rs:9:24
|
LL | let _ = [1].iter().cloned();
| ^^^^^^ help: try: `copied`
@ -7,43 +7,43 @@ LL | let _ = [1].iter().cloned();
= note: `-D clippy::cloned-instead-of-copied` implied by `-D warnings`
error: used `cloned` where `copied` could be used instead
--> $DIR/cloned_instead_of_copied.rs:9:31
--> $DIR/cloned_instead_of_copied.rs:10:31
|
LL | let _ = vec!["hi"].iter().cloned();
| ^^^^^^ help: try: `copied`
error: used `cloned` where `copied` could be used instead
--> $DIR/cloned_instead_of_copied.rs:10:22
--> $DIR/cloned_instead_of_copied.rs:11:22
|
LL | let _ = Some(&1).cloned();
| ^^^^^^ help: try: `copied`
error: used `cloned` where `copied` could be used instead
--> $DIR/cloned_instead_of_copied.rs:11:34
--> $DIR/cloned_instead_of_copied.rs:12:34
|
LL | let _ = Box::new([1].iter()).cloned();
| ^^^^^^ help: try: `copied`
error: used `cloned` where `copied` could be used instead
--> $DIR/cloned_instead_of_copied.rs:12:32
--> $DIR/cloned_instead_of_copied.rs:13:32
|
LL | let _ = Box::new(Some(&1)).cloned();
| ^^^^^^ help: try: `copied`
error: used `cloned` where `copied` could be used instead
--> $DIR/cloned_instead_of_copied.rs:28:22
--> $DIR/cloned_instead_of_copied.rs:29:22
|
LL | let _ = Some(&1).cloned(); // Option::copied needs 1.35
| ^^^^^^ help: try: `copied`
error: used `cloned` where `copied` could be used instead
--> $DIR/cloned_instead_of_copied.rs:33:24
--> $DIR/cloned_instead_of_copied.rs:34:24
|
LL | let _ = [1].iter().cloned(); // Iterator::copied needs 1.36
| ^^^^^^ help: try: `copied`
error: used `cloned` where `copied` could be used instead
--> $DIR/cloned_instead_of_copied.rs:34:22
--> $DIR/cloned_instead_of_copied.rs:35:22
|
LL | let _ = Some(&1).cloned();
| ^^^^^^ help: try: `copied`

3
tests/ui/eta.fixed
View file

@ -7,7 +7,8 @@
clippy::no_effect,
clippy::option_map_unit_fn,
clippy::redundant_closure_call,
clippy::uninlined_format_args
clippy::uninlined_format_args,
clippy::useless_vec
)]
use std::path::{Path, PathBuf};

3
tests/ui/eta.rs
View file

@ -7,7 +7,8 @@
clippy::no_effect,
clippy::option_map_unit_fn,
clippy::redundant_closure_call,
clippy::uninlined_format_args
clippy::uninlined_format_args,
clippy::useless_vec
)]
use std::path::{Path, PathBuf};

52
tests/ui/eta.stderr
View file

@ -1,5 +1,5 @@
error: redundant closure
--> $DIR/eta.rs:28:27
--> $DIR/eta.rs:29:27
|
LL | let a = Some(1u8).map(|a| foo(a));
| ^^^^^^^^^^ help: replace the closure with the function itself: `foo`
@ -7,31 +7,31 @@ LL | let a = Some(1u8).map(|a| foo(a));
= note: `-D clippy::redundant-closure` implied by `-D warnings`
error: redundant closure
--> $DIR/eta.rs:32:40
--> $DIR/eta.rs:33:40
|
LL | let _: Option<Vec<u8>> = true.then(|| vec![]); // special case vec!
| ^^^^^^^^^ help: replace the closure with `Vec::new`: `std::vec::Vec::new`
error: redundant closure
--> $DIR/eta.rs:33:35
--> $DIR/eta.rs:34:35
|
LL | let d = Some(1u8).map(|a| foo((|b| foo2(b))(a))); //is adjusted?
| ^^^^^^^^^^^^^ help: replace the closure with the function itself: `foo2`
error: redundant closure
--> $DIR/eta.rs:34:26
--> $DIR/eta.rs:35:26
|
LL | all(&[1, 2, 3], &&2, |x, y| below(x, y)); //is adjusted
| ^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `below`
error: redundant closure
--> $DIR/eta.rs:41:27
--> $DIR/eta.rs:42:27
|
LL | let e = Some(1u8).map(|a| generic(a));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `generic`
error: redundant closure
--> $DIR/eta.rs:93:51
--> $DIR/eta.rs:94:51
|
LL | let e = Some(TestStruct { some_ref: &i }).map(|a| a.foo());
| ^^^^^^^^^^^ help: replace the closure with the method itself: `TestStruct::foo`
@ -39,121 +39,121 @@ LL | let e = Some(TestStruct { some_ref: &i }).map(|a| a.foo());
= note: `-D clippy::redundant-closure-for-method-calls` implied by `-D warnings`
error: redundant closure
--> $DIR/eta.rs:94:51
--> $DIR/eta.rs:95:51
|
LL | let e = Some(TestStruct { some_ref: &i }).map(|a| a.trait_foo());
| ^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `TestTrait::trait_foo`
error: redundant closure
--> $DIR/eta.rs:96:42
--> $DIR/eta.rs:97:42
|
LL | let e = Some(&mut vec![1, 2, 3]).map(|v| v.clear());
| ^^^^^^^^^^^^^ help: replace the closure with the method itself: `std::vec::Vec::clear`
error: redundant closure
--> $DIR/eta.rs:100:29
--> $DIR/eta.rs:101:29
|
LL | let e = Some("str").map(|s| s.to_string());
| ^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `std::string::ToString::to_string`
error: redundant closure
--> $DIR/eta.rs:101:27
--> $DIR/eta.rs:102:27
|
LL | let e = Some('a').map(|s| s.to_uppercase());
| ^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `char::to_uppercase`
error: redundant closure
--> $DIR/eta.rs:103:65
--> $DIR/eta.rs:104:65
|
LL | let e: std::vec::Vec<char> = vec!['a', 'b', 'c'].iter().map(|c| c.to_ascii_uppercase()).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `char::to_ascii_uppercase`
error: redundant closure
--> $DIR/eta.rs:166:22
--> $DIR/eta.rs:167:22
|
LL | requires_fn_once(|| x());
| ^^^^^^ help: replace the closure with the function itself: `x`
error: redundant closure
--> $DIR/eta.rs:173:27
--> $DIR/eta.rs:174:27
|
LL | let a = Some(1u8).map(|a| foo_ptr(a));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `foo_ptr`
error: redundant closure
--> $DIR/eta.rs:178:27
--> $DIR/eta.rs:179:27
|
LL | let a = Some(1u8).map(|a| closure(a));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `closure`
error: redundant closure
--> $DIR/eta.rs:210:28
--> $DIR/eta.rs:211:28
|
LL | x.into_iter().for_each(|x| add_to_res(x));
| ^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `&mut add_to_res`
error: redundant closure
--> $DIR/eta.rs:211:28
--> $DIR/eta.rs:212:28
|
LL | y.into_iter().for_each(|x| add_to_res(x));
| ^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `&mut add_to_res`
error: redundant closure
--> $DIR/eta.rs:212:28
--> $DIR/eta.rs:213:28
|
LL | z.into_iter().for_each(|x| add_to_res(x));
| ^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `add_to_res`
error: redundant closure
--> $DIR/eta.rs:219:21
--> $DIR/eta.rs:220:21
|
LL | Some(1).map(|n| closure(n));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `&mut closure`
error: redundant closure
--> $DIR/eta.rs:223:21
--> $DIR/eta.rs:224:21
|
LL | Some(1).map(|n| in_loop(n));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `in_loop`
error: redundant closure
--> $DIR/eta.rs:316:18
--> $DIR/eta.rs:317:18
|
LL | takes_fn_mut(|| f());
| ^^^^^^ help: replace the closure with the function itself: `&mut f`
error: redundant closure
--> $DIR/eta.rs:319:19
--> $DIR/eta.rs:320:19
|
LL | takes_fn_once(|| f());
| ^^^^^^ help: replace the closure with the function itself: `&mut f`
error: redundant closure
--> $DIR/eta.rs:323:26
--> $DIR/eta.rs:324:26
|
LL | move || takes_fn_mut(|| f_used_once())
| ^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `&mut f_used_once`
error: redundant closure
--> $DIR/eta.rs:335:19
--> $DIR/eta.rs:336:19
|
LL | array_opt.map(|a| a.as_slice());
| ^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `<[u8; 3]>::as_slice`
error: redundant closure
--> $DIR/eta.rs:338:19
--> $DIR/eta.rs:339:19
|
LL | slice_opt.map(|s| s.len());
| ^^^^^^^^^^^ help: replace the closure with the method itself: `<[u8]>::len`
error: redundant closure
--> $DIR/eta.rs:341:17
--> $DIR/eta.rs:342:17
|
LL | ptr_opt.map(|p| p.is_null());
| ^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `<*const usize>::is_null`
error: redundant closure
--> $DIR/eta.rs:345:17
--> $DIR/eta.rs:346:17
|
LL | dyn_opt.map(|d| d.method_on_dyn());
| ^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `<dyn TestTrait>::method_on_dyn`

1
tests/ui/from_iter_instead_of_collect.fixed
View file

@ -2,6 +2,7 @@
#![warn(clippy::from_iter_instead_of_collect)]
#![allow(unused_imports, unused_tuple_struct_fields)]
#![allow(clippy::useless_vec)]
use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque};

1
tests/ui/from_iter_instead_of_collect.rs
View file

@ -2,6 +2,7 @@
#![warn(clippy::from_iter_instead_of_collect)]
#![allow(unused_imports, unused_tuple_struct_fields)]
#![allow(clippy::useless_vec)]
use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque};

30
tests/ui/from_iter_instead_of_collect.stderr
View file

@ -1,5 +1,5 @@
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:18:9
--> $DIR/from_iter_instead_of_collect.rs:19:9
|
LL | <Self as FromIterator<bool>>::from_iter(iter.into_iter().copied())
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `iter.into_iter().copied().collect::<Self>()`
@ -7,85 +7,85 @@ LL | <Self as FromIterator<bool>>::from_iter(iter.into_iter().copied())
= note: `-D clippy::from-iter-instead-of-collect` implied by `-D warnings`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:24:13
--> $DIR/from_iter_instead_of_collect.rs:25:13
|
LL | let _ = Vec::from_iter(iter_expr);
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `iter_expr.collect::<Vec<_>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:26:13
--> $DIR/from_iter_instead_of_collect.rs:27:13
|
LL | let _ = HashMap::<usize, &i8>::from_iter(vec![5, 5, 5, 5].iter().enumerate());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `vec![5, 5, 5, 5].iter().enumerate().collect::<HashMap<usize, &i8>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:31:19
--> $DIR/from_iter_instead_of_collect.rs:32:19
|
LL | assert_eq!(a, Vec::from_iter(0..3));
| ^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<Vec<_>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:32:19
--> $DIR/from_iter_instead_of_collect.rs:33:19
|
LL | assert_eq!(a, Vec::<i32>::from_iter(0..3));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<Vec<i32>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:34:17
--> $DIR/from_iter_instead_of_collect.rs:35:17
|
LL | let mut b = VecDeque::from_iter(0..3);
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<VecDeque<_>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:37:17
--> $DIR/from_iter_instead_of_collect.rs:38:17
|
LL | let mut b = VecDeque::<i32>::from_iter(0..3);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<VecDeque<i32>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:42:21
--> $DIR/from_iter_instead_of_collect.rs:43:21
|
LL | let mut b = collections::VecDeque::<i32>::from_iter(0..3);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<collections::VecDeque<i32>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:47:14
--> $DIR/from_iter_instead_of_collect.rs:48:14
|
LL | let bm = BTreeMap::from_iter(values.iter().cloned());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `values.iter().cloned().collect::<BTreeMap<_, _>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:48:19
--> $DIR/from_iter_instead_of_collect.rs:49:19
|
LL | let mut bar = BTreeMap::from_iter(bm.range(0..2));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `bm.range(0..2).collect::<BTreeMap<_, _>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:51:19
--> $DIR/from_iter_instead_of_collect.rs:52:19
|
LL | let mut bts = BTreeSet::from_iter(0..3);
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<BTreeSet<_>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:55:17
--> $DIR/from_iter_instead_of_collect.rs:56:17
|
LL | let _ = collections::BTreeSet::from_iter(0..3);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<collections::BTreeSet<_>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:56:17
--> $DIR/from_iter_instead_of_collect.rs:57:17
|
LL | let _ = collections::BTreeSet::<u32>::from_iter(0..3);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<collections::BTreeSet<u32>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:59:15
--> $DIR/from_iter_instead_of_collect.rs:60:15
|
LL | for _i in Vec::from_iter([1, 2, 3].iter()) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `[1, 2, 3].iter().collect::<Vec<_>>()`
error: usage of `FromIterator::from_iter`
--> $DIR/from_iter_instead_of_collect.rs:60:15
--> $DIR/from_iter_instead_of_collect.rs:61:15
|
LL | for _i in Vec::<&i32>::from_iter([1, 2, 3].iter()) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `[1, 2, 3].iter().collect::<Vec<&i32>>()`

1
tests/ui/iter_cloned_collect.fixed
View file

@ -1,6 +1,7 @@
//@run-rustfix
#![allow(unused)]
#![allow(clippy::useless_vec)]
use std::collections::HashSet;
use std::collections::VecDeque;

1
tests/ui/iter_cloned_collect.rs
View file

@ -1,6 +1,7 @@
//@run-rustfix
#![allow(unused)]
#![allow(clippy::useless_vec)]
use std::collections::HashSet;
use std::collections::VecDeque;

10
tests/ui/iter_cloned_collect.stderr
View file

@ -1,5 +1,5 @@
error: called `iter().cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
--> $DIR/iter_cloned_collect.rs:10:27
--> $DIR/iter_cloned_collect.rs:11:27
|
LL | let v2: Vec<isize> = v.iter().cloned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.to_vec()`
@ -7,13 +7,13 @@ LL | let v2: Vec<isize> = v.iter().cloned().collect();
= note: `-D clippy::iter-cloned-collect` implied by `-D warnings`
error: called `iter().cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
--> $DIR/iter_cloned_collect.rs:15:38
--> $DIR/iter_cloned_collect.rs:16:38
|
LL | let _: Vec<isize> = vec![1, 2, 3].iter().cloned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.to_vec()`
error: called `iter().cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
--> $DIR/iter_cloned_collect.rs:20:24
--> $DIR/iter_cloned_collect.rs:21:24
|
LL | .to_bytes()
| ________________________^
@ -23,13 +23,13 @@ LL | | .collect();
| |______________________^ help: try: `.to_vec()`
error: called `iter().cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
--> $DIR/iter_cloned_collect.rs:28:24
--> $DIR/iter_cloned_collect.rs:29:24
|
LL | let _: Vec<_> = arr.iter().cloned().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.to_vec()`
error: called `iter().copied().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
--> $DIR/iter_cloned_collect.rs:31:26
--> $DIR/iter_cloned_collect.rs:32:26
|
LL | let _: Vec<isize> = v.iter().copied().collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.to_vec()`

3
tests/ui/vec.fixed
View file

@ -71,6 +71,9 @@ fn main() {
println!("{:?}", a);
}
// https://github.com/rust-lang/rust-clippy/issues/2262#issuecomment-783979246
let _x: i32 = [1, 2, 3].iter().sum();
// Do lint
let mut x = [1, 2, 3];
x.fill(123);

3
tests/ui/vec.rs
View file

@ -71,6 +71,9 @@ fn main() {
println!("{:?}", a);
}
// https://github.com/rust-lang/rust-clippy/issues/2262#issuecomment-783979246
let _x: i32 = vec![1, 2, 3].iter().sum();
// Do lint
let mut x = vec![1, 2, 3];
x.fill(123);

18
tests/ui/vec.stderr
View file

@ -61,34 +61,40 @@ LL | on_mut_slice(&mut vec![1; 2]);
| ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1; 2]`
error: useless use of `vec!`
--> $DIR/vec.rs:75:17
--> $DIR/vec.rs:75:19
|
LL | let _x: i32 = vec![1, 2, 3].iter().sum();
| ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
error: useless use of `vec!`
--> $DIR/vec.rs:78:17
|
LL | let mut x = vec![1, 2, 3];
| ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
error: useless use of `vec!`
--> $DIR/vec.rs:81:22
--> $DIR/vec.rs:84:22
|
LL | let _x: &[i32] = &vec![1, 2, 3];
| ^^^^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2, 3]`
error: useless use of `vec!`
--> $DIR/vec.rs:83:14
--> $DIR/vec.rs:86:14
|
LL | for _ in vec![1, 2, 3] {}
| ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
error: useless use of `vec!`
--> $DIR/vec.rs:117:14
--> $DIR/vec.rs:120:14
|
LL | for a in vec![1, 2, 3] {
| ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
error: useless use of `vec!`
--> $DIR/vec.rs:121:14
--> $DIR/vec.rs:124:14
|
LL | for a in vec![String::new(), String::new()] {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[String::new(), String::new()]`
error: aborting due to 15 previous errors
error: aborting due to 16 previous errors