clean tests/ui/cast.rs

Cleaning the empty lines for clarity.
This commit is contained in:
Luis de Bethencourt 2017-05-10 16:25:40 +01:00
parent 34e4c0f9e3
commit 17284bacee
2 changed files with 78 additions and 91 deletions

View File

@ -13,30 +13,23 @@ fn main() {
1u64 as f64;
1i32 as f64; // Should not trigger the lint
1u32 as f64; // Should not trigger the lint
// Test cast_possible_truncation
1f32 as i32;
1f32 as u32;
1f64 as f32;
1i32 as i8;
1i32 as u8;
1f64 as isize;
1f64 as usize;
// Test cast_possible_wrap
1u8 as i8;
1u16 as i16;
1u32 as i32;
1u64 as i64;
1usize as isize;
// Test cast_sign_loss
1i32 as u32;
1isize as usize;
// Extra checks for *size
// Casting from *size
1isize as i8;
@ -46,28 +39,22 @@ fn main() {
1usize as f32;
1isize as i32;
1isize as u32;
1usize as u32;
1usize as i32;
// Casting to *size
1i64 as isize;
1i64 as usize;
1u64 as isize;
1u64 as usize;
1u32 as isize;
1u32 as usize; // Should not trigger any lint
1i32 as isize; // Neither should this
1i32 as usize;
// Test cast_unnecessary
1i32 as i32;
1f32 as f32;
false as bool;
&1i32 as &i32;
// Should not trigger
1i32 as i64;
let v = vec!(1);

View File

@ -41,9 +41,9 @@ error: casting u64 to f64 causes a loss of precision (u64 is 64 bits wide, but f
| ^^^^^^^^^^^
error: casting f32 to i32 may truncate the value
--> $DIR/cast.rs:18:5
--> $DIR/cast.rs:17:5
|
18 | 1f32 as i32;
17 | 1f32 as i32;
| ^^^^^^^^^^^
|
note: lint level defined here
@ -53,15 +53,15 @@ note: lint level defined here
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: casting f32 to u32 may truncate the value
--> $DIR/cast.rs:19:5
--> $DIR/cast.rs:18:5
|
19 | 1f32 as u32;
18 | 1f32 as u32;
| ^^^^^^^^^^^
error: casting f32 to u32 may lose the sign of the value
--> $DIR/cast.rs:19:5
--> $DIR/cast.rs:18:5
|
19 | 1f32 as u32;
18 | 1f32 as u32;
| ^^^^^^^^^^^
|
note: lint level defined here
@ -71,51 +71,51 @@ note: lint level defined here
| ^^^^^^^^^^^^^^
error: casting f64 to f32 may truncate the value
--> $DIR/cast.rs:21:5
--> $DIR/cast.rs:19:5
|
21 | 1f64 as f32;
19 | 1f64 as f32;
| ^^^^^^^^^^^
error: casting i32 to i8 may truncate the value
--> $DIR/cast.rs:22:5
--> $DIR/cast.rs:20:5
|
22 | 1i32 as i8;
20 | 1i32 as i8;
| ^^^^^^^^^^
error: casting i32 to u8 may lose the sign of the value
--> $DIR/cast.rs:23:5
--> $DIR/cast.rs:21:5
|
23 | 1i32 as u8;
21 | 1i32 as u8;
| ^^^^^^^^^^
error: casting i32 to u8 may truncate the value
--> $DIR/cast.rs:23:5
--> $DIR/cast.rs:21:5
|
23 | 1i32 as u8;
21 | 1i32 as u8;
| ^^^^^^^^^^
error: casting f64 to isize may truncate the value
--> $DIR/cast.rs:25:5
--> $DIR/cast.rs:22:5
|
25 | 1f64 as isize;
22 | 1f64 as isize;
| ^^^^^^^^^^^^^
error: casting f64 to usize may truncate the value
--> $DIR/cast.rs:26:5
--> $DIR/cast.rs:23:5
|
26 | 1f64 as usize;
23 | 1f64 as usize;
| ^^^^^^^^^^^^^
error: casting f64 to usize may lose the sign of the value
--> $DIR/cast.rs:26:5
--> $DIR/cast.rs:23:5
|
26 | 1f64 as usize;
23 | 1f64 as usize;
| ^^^^^^^^^^^^^
error: casting u8 to i8 may wrap around the value
--> $DIR/cast.rs:30:5
--> $DIR/cast.rs:25:5
|
30 | 1u8 as i8;
25 | 1u8 as i8;
| ^^^^^^^^^
|
note: lint level defined here
@ -125,175 +125,175 @@ note: lint level defined here
| ^^^^^^^^^^^^^^^^^^
error: casting u16 to i16 may wrap around the value
--> $DIR/cast.rs:31:5
--> $DIR/cast.rs:26:5
|
31 | 1u16 as i16;
26 | 1u16 as i16;
| ^^^^^^^^^^^
error: casting u32 to i32 may wrap around the value
--> $DIR/cast.rs:32:5
--> $DIR/cast.rs:27:5
|
32 | 1u32 as i32;
27 | 1u32 as i32;
| ^^^^^^^^^^^
error: casting u64 to i64 may wrap around the value
--> $DIR/cast.rs:33:5
--> $DIR/cast.rs:28:5
|
33 | 1u64 as i64;
28 | 1u64 as i64;
| ^^^^^^^^^^^
error: casting usize to isize may wrap around the value
--> $DIR/cast.rs:34:5
--> $DIR/cast.rs:29:5
|
34 | 1usize as isize;
29 | 1usize as isize;
| ^^^^^^^^^^^^^^^
error: casting i32 to u32 may lose the sign of the value
--> $DIR/cast.rs:37:5
--> $DIR/cast.rs:31:5
|
37 | 1i32 as u32;
31 | 1i32 as u32;
| ^^^^^^^^^^^
error: casting isize to usize may lose the sign of the value
--> $DIR/cast.rs:38:5
--> $DIR/cast.rs:32:5
|
38 | 1isize as usize;
32 | 1isize as usize;
| ^^^^^^^^^^^^^^^
error: casting isize to i8 may truncate the value
--> $DIR/cast.rs:42:5
--> $DIR/cast.rs:35:5
|
42 | 1isize as i8;
35 | 1isize as i8;
| ^^^^^^^^^^^^
error: casting isize to f64 causes a loss of precision on targets with 64-bit wide pointers (isize is 64 bits wide, but f64's mantissa is only 52 bits wide)
--> $DIR/cast.rs:43:5
--> $DIR/cast.rs:36:5
|
43 | 1isize as f64;
36 | 1isize as f64;
| ^^^^^^^^^^^^^
error: casting usize to f64 causes a loss of precision on targets with 64-bit wide pointers (usize is 64 bits wide, but f64's mantissa is only 52 bits wide)
--> $DIR/cast.rs:44:5
--> $DIR/cast.rs:37:5
|
44 | 1usize as f64;
37 | 1usize as f64;
| ^^^^^^^^^^^^^
error: casting isize to f32 causes a loss of precision (isize is 32 or 64 bits wide, but f32's mantissa is only 23 bits wide)
--> $DIR/cast.rs:45:5
--> $DIR/cast.rs:38:5
|
45 | 1isize as f32;
38 | 1isize as f32;
| ^^^^^^^^^^^^^
error: casting usize to f32 causes a loss of precision (usize is 32 or 64 bits wide, but f32's mantissa is only 23 bits wide)
--> $DIR/cast.rs:46:5
--> $DIR/cast.rs:39:5
|
46 | 1usize as f32;
39 | 1usize as f32;
| ^^^^^^^^^^^^^
error: casting isize to i32 may truncate the value on targets with 64-bit wide pointers
--> $DIR/cast.rs:47:5
--> $DIR/cast.rs:40:5
|
47 | 1isize as i32;
40 | 1isize as i32;
| ^^^^^^^^^^^^^
error: casting isize to u32 may lose the sign of the value
--> $DIR/cast.rs:48:5
--> $DIR/cast.rs:41:5
|
48 | 1isize as u32;
41 | 1isize as u32;
| ^^^^^^^^^^^^^
error: casting isize to u32 may truncate the value on targets with 64-bit wide pointers
--> $DIR/cast.rs:48:5
--> $DIR/cast.rs:41:5
|
48 | 1isize as u32;
41 | 1isize as u32;
| ^^^^^^^^^^^^^
error: casting usize to u32 may truncate the value on targets with 64-bit wide pointers
--> $DIR/cast.rs:50:5
--> $DIR/cast.rs:42:5
|
50 | 1usize as u32;
42 | 1usize as u32;
| ^^^^^^^^^^^^^
error: casting usize to i32 may truncate the value on targets with 64-bit wide pointers
--> $DIR/cast.rs:51:5
--> $DIR/cast.rs:43:5
|
51 | 1usize as i32;
43 | 1usize as i32;
| ^^^^^^^^^^^^^
error: casting usize to i32 may wrap around the value on targets with 32-bit wide pointers
--> $DIR/cast.rs:51:5
--> $DIR/cast.rs:43:5
|
51 | 1usize as i32;
43 | 1usize as i32;
| ^^^^^^^^^^^^^
error: casting i64 to isize may truncate the value on targets with 32-bit wide pointers
--> $DIR/cast.rs:54:5
--> $DIR/cast.rs:45:5
|
54 | 1i64 as isize;
45 | 1i64 as isize;
| ^^^^^^^^^^^^^
error: casting i64 to usize may lose the sign of the value
--> $DIR/cast.rs:55:5
--> $DIR/cast.rs:46:5
|
55 | 1i64 as usize;
46 | 1i64 as usize;
| ^^^^^^^^^^^^^
error: casting i64 to usize may truncate the value on targets with 32-bit wide pointers
--> $DIR/cast.rs:55:5
--> $DIR/cast.rs:46:5
|
55 | 1i64 as usize;
46 | 1i64 as usize;
| ^^^^^^^^^^^^^
error: casting u64 to isize may truncate the value on targets with 32-bit wide pointers
--> $DIR/cast.rs:57:5
--> $DIR/cast.rs:47:5
|
57 | 1u64 as isize;
47 | 1u64 as isize;
| ^^^^^^^^^^^^^
error: casting u64 to isize may wrap around the value on targets with 64-bit wide pointers
--> $DIR/cast.rs:57:5
--> $DIR/cast.rs:47:5
|
57 | 1u64 as isize;
47 | 1u64 as isize;
| ^^^^^^^^^^^^^
error: casting u64 to usize may truncate the value on targets with 32-bit wide pointers
--> $DIR/cast.rs:59:5
--> $DIR/cast.rs:48:5
|
59 | 1u64 as usize;
48 | 1u64 as usize;
| ^^^^^^^^^^^^^
error: casting u32 to isize may wrap around the value on targets with 32-bit wide pointers
--> $DIR/cast.rs:60:5
--> $DIR/cast.rs:49:5
|
60 | 1u32 as isize;
49 | 1u32 as isize;
| ^^^^^^^^^^^^^
error: casting i32 to usize may lose the sign of the value
--> $DIR/cast.rs:63:5
--> $DIR/cast.rs:52:5
|
63 | 1i32 as usize;
52 | 1i32 as usize;
| ^^^^^^^^^^^^^
warning: casting to the same type is unnecessary (`i32` -> `i32`)
--> $DIR/cast.rs:66:5
--> $DIR/cast.rs:54:5
|
66 | 1i32 as i32;
54 | 1i32 as i32;
| ^^^^^^^^^^^
|
= note: #[warn(unnecessary_cast)] on by default
warning: casting to the same type is unnecessary (`f32` -> `f32`)
--> $DIR/cast.rs:67:5
--> $DIR/cast.rs:55:5
|
67 | 1f32 as f32;
55 | 1f32 as f32;
| ^^^^^^^^^^^
|
= note: #[warn(unnecessary_cast)] on by default
warning: casting to the same type is unnecessary (`bool` -> `bool`)
--> $DIR/cast.rs:68:5
--> $DIR/cast.rs:56:5
|
68 | false as bool;
56 | false as bool;
| ^^^^^^^^^^^^^
|
= note: #[warn(unnecessary_cast)] on by default