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fixed tests (again) and added a test that should actually cause a warning for new_ret_no_self

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This commit is contained in:
Lukas Markeffsky 2019-08-09 23:15:49 +02:00
parent 54efffcec1
commit d55315808d
2 changed files with 40 additions and 23 deletions
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11
tests/ui/methods.rs
View File

@ -5,7 +5,7 @@
#![warn(clippy::all, clippy::pedantic, clippy::option_unwrap_used)]
#![allow(
clippy::blacklisted_name,
dead_code,
unused,
clippy::print_stdout,
clippy::non_ascii_literal,
clippy::new_without_default,
@ -13,7 +13,6 @@
clippy::needless_pass_by_value,
clippy::default_trait_access,
clippy::use_self,
clippy::new_ret_no_self,
clippy::useless_format,
clippy::wrong_self_convention
)]
@ -148,6 +147,14 @@ async fn new() -> Option<Self> {
}
}
struct BadNew;
impl BadNew {
fn new() -> i32 {
0
}
}
impl Mul<T> for T {
type Output = T;
// No error, obviously.

52
tests/ui/methods.stderr
View File

@ -1,5 +1,5 @@
error: defining a method called `add` on this type; consider implementing the `std::ops::Add` trait or choosing a less ambiguous name
--> $DIR/methods.rs:38:5
--> $DIR/methods.rs:37:5
|
LL | / pub fn add(self, other: T) -> T {
LL | | self
@ -8,8 +8,18 @@ LL | | }
|
= note: `-D clippy::should-implement-trait` implied by `-D warnings`
error: methods called `new` usually return `Self`
--> $DIR/methods.rs:153:5
|
LL | / fn new() -> i32 {
LL | | 0
LL | | }
| |_____^
|
= note: `-D clippy::new-ret-no-self` implied by `-D warnings`
error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead
--> $DIR/methods.rs:168:13
--> $DIR/methods.rs:175:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
@ -21,7 +31,7 @@ LL | | .unwrap_or(0);
= note: replace `map(|x| x + 1).unwrap_or(0)` with `map_or(0, |x| x + 1)`
error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead
--> $DIR/methods.rs:172:13
--> $DIR/methods.rs:179:13
|
LL | let _ = opt.map(|x| {
| _____________^
@ -31,7 +41,7 @@ LL | | ).unwrap_or(0);
| |____________________________^
error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead
--> $DIR/methods.rs:176:13
--> $DIR/methods.rs:183:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
@ -41,7 +51,7 @@ LL | | });
| |__________________^
error: called `map(f).unwrap_or(None)` on an Option value. This can be done more directly by calling `and_then(f)` instead
--> $DIR/methods.rs:181:13
--> $DIR/methods.rs:188:13
|
LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -49,7 +59,7 @@ LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
= note: replace `map(|x| Some(x + 1)).unwrap_or(None)` with `and_then(|x| Some(x + 1))`
error: called `map(f).unwrap_or(None)` on an Option value. This can be done more directly by calling `and_then(f)` instead
--> $DIR/methods.rs:183:13
--> $DIR/methods.rs:190:13
|
LL | let _ = opt.map(|x| {
| _____________^
@ -59,7 +69,7 @@ LL | | ).unwrap_or(None);
| |_____________________^
error: called `map(f).unwrap_or(None)` on an Option value. This can be done more directly by calling `and_then(f)` instead
--> $DIR/methods.rs:187:13
--> $DIR/methods.rs:194:13
|
LL | let _ = opt
| _____________^
@ -70,7 +80,7 @@ LL | | .unwrap_or(None);
= note: replace `map(|x| Some(x + 1)).unwrap_or(None)` with `and_then(|x| Some(x + 1))`
error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead
--> $DIR/methods.rs:198:13
--> $DIR/methods.rs:205:13
|
LL | let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -78,7 +88,7 @@ LL | let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
= note: replace `map(|p| format!("{}.", p)).unwrap_or(id)` with `map_or(id, |p| format!("{}.", p))`
error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead
--> $DIR/methods.rs:202:13
--> $DIR/methods.rs:209:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
@ -90,7 +100,7 @@ LL | | .unwrap_or_else(|| 0);
= note: replace `map(|x| x + 1).unwrap_or_else(|| 0)` with `map_or_else(|| 0, |x| x + 1)`
error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead
--> $DIR/methods.rs:206:13
--> $DIR/methods.rs:213:13
|
LL | let _ = opt.map(|x| {
| _____________^
@ -100,7 +110,7 @@ LL | | ).unwrap_or_else(|| 0);
| |____________________________________^
error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead
--> $DIR/methods.rs:210:13
--> $DIR/methods.rs:217:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
@ -110,7 +120,7 @@ LL | | );
| |_________________^
error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
--> $DIR/methods.rs:240:13
--> $DIR/methods.rs:247:13
|
LL | let _ = v.iter().filter(|&x| *x < 0).next();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -119,7 +129,7 @@ LL | let _ = v.iter().filter(|&x| *x < 0).next();
= note: replace `filter(|&x| *x < 0).next()` with `find(|&x| *x < 0)`
error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
--> $DIR/methods.rs:243:13
--> $DIR/methods.rs:250:13
|
LL | let _ = v.iter().filter(|&x| {
| _____________^
@ -129,7 +139,7 @@ LL | | ).next();
| |___________________________^
error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
--> $DIR/methods.rs:259:13
--> $DIR/methods.rs:266:13
|
LL | let _ = v.iter().find(|&x| *x < 0).is_some();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -138,7 +148,7 @@ LL | let _ = v.iter().find(|&x| *x < 0).is_some();
= note: replace `find(|&x| *x < 0).is_some()` with `any(|x| *x < 0)`
error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
--> $DIR/methods.rs:262:13
--> $DIR/methods.rs:269:13
|
LL | let _ = v.iter().find(|&x| {
| _____________^
@ -148,7 +158,7 @@ LL | | ).is_some();
| |______________________________^
error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`.
--> $DIR/methods.rs:268:13
--> $DIR/methods.rs:275:13
|
LL | let _ = v.iter().position(|&x| x < 0).is_some();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -156,7 +166,7 @@ LL | let _ = v.iter().position(|&x| x < 0).is_some();
= note: replace `position(|&x| x < 0).is_some()` with `any(|&x| x < 0)`
error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`.
--> $DIR/methods.rs:271:13
--> $DIR/methods.rs:278:13
|
LL | let _ = v.iter().position(|&x| {
| _____________^
@ -166,7 +176,7 @@ LL | | ).is_some();
| |______________________________^
error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`.
--> $DIR/methods.rs:277:13
--> $DIR/methods.rs:284:13
|
LL | let _ = v.iter().rposition(|&x| x < 0).is_some();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -174,7 +184,7 @@ LL | let _ = v.iter().rposition(|&x| x < 0).is_some();
= note: replace `rposition(|&x| x < 0).is_some()` with `any(|&x| x < 0)`
error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`.
--> $DIR/methods.rs:280:13
--> $DIR/methods.rs:287:13
|
LL | let _ = v.iter().rposition(|&x| {
| _____________^
@ -184,12 +194,12 @@ LL | | ).is_some();
| |______________________________^
error: used unwrap() on an Option value. If you don't want to handle the None case gracefully, consider using expect() to provide a better panic message
--> $DIR/methods.rs:295:13
--> $DIR/methods.rs:302:13
|
LL | let _ = opt.unwrap();
| ^^^^^^^^^^^^
|
= note: `-D clippy::option-unwrap-used` implied by `-D warnings`
error: aborting due to 20 previous errors
error: aborting due to 21 previous errors