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add some test cases

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This commit is contained in:
Takayuki Maeda 2021-02-10 16:15:29 +09:00
parent 932cc085e6
commit 5996ae1cfc
3 changed files with 24 additions and 14 deletions
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8
tests/ui/bytes_nth.fixed
View file

@ -1,9 +1,11 @@
// run-rustfix
#![allow(clippy::unnecessary_operation)]
#![warn(clippy::bytes_nth)]
fn main() {
let _ = "Hello".as_bytes().get(3);
let _ = String::from("Hello").as_bytes().get(3);
let s = String::from("String");
s.as_bytes().get(3);
&s.as_bytes().get(3);
s[..].as_bytes().get(3);
}

8
tests/ui/bytes_nth.rs
View file

@ -1,9 +1,11 @@
// run-rustfix
#![allow(clippy::unnecessary_operation)]
#![warn(clippy::bytes_nth)]
fn main() {
let _ = "Hello".bytes().nth(3);
let _ = String::from("Hello").bytes().nth(3);
let s = String::from("String");
s.bytes().nth(3);
&s.bytes().nth(3);
s[..].bytes().nth(3);
}

22
tests/ui/bytes_nth.stderr
View file

@ -1,16 +1,22 @@
error: called `.byte().nth()` on a `str`
--> $DIR/bytes_nth.rs:6:13
error: called `.byte().nth()` on a `String`
--> $DIR/bytes_nth.rs:8:5
|
LL | let _ = "Hello".bytes().nth(3);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.as_bytes().get()`: `"Hello".as_bytes().get(3)`
LL | s.bytes().nth(3);
| ^^^^^^^^^^^^^^^^ help: try: `s.as_bytes().get(3)`
|
= note: `-D clippy::bytes-nth` implied by `-D warnings`
error: called `.byte().nth()` on a `String`
--> $DIR/bytes_nth.rs:8:13
--> $DIR/bytes_nth.rs:9:6
|
LL | let _ = String::from("Hello").bytes().nth(3);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.as_bytes().get()`: `String::from("Hello").as_bytes().get(3)`
LL | &s.bytes().nth(3);
| ^^^^^^^^^^^^^^^^ help: try: `s.as_bytes().get(3)`
error: aborting due to 2 previous errors
error: called `.byte().nth()` on a `str`
--> $DIR/bytes_nth.rs:10:5
|
LL | s[..].bytes().nth(3);
| ^^^^^^^^^^^^^^^^^^^^ help: try: `s[..].as_bytes().get(3)`
error: aborting due to 3 previous errors