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coverage: Test for handling of nested item spans

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This commit is contained in:
Zalathar 2024-07-01 17:04:38 +10:00
parent 7fdefb804e
commit 9b2c58d1fa
3 changed files with 179 additions and 0 deletions
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42
tests/coverage/holes.cov-map Normal file
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@ -0,0 +1,42 @@
Function name: <holes::main::MyStruct>::_method (unused)
Raw bytes (9): 0x[01, 01, 00, 01, 00, 25, 09, 00, 1d]
Number of files: 1
- file 0 => global file 1
Number of expressions: 0
Number of file 0 mappings: 1
- Code(Zero) at (prev + 37, 9) to (start + 0, 29)
Function name: holes::main
Raw bytes (19): 0x[01, 01, 00, 03, 01, 08, 01, 06, 11, 01, 0f, 05, 24, 0f, 01, 2b, 05, 01, 02]
Number of files: 1
- file 0 => global file 1
Number of expressions: 0
Number of file 0 mappings: 3
- Code(Counter(0)) at (prev + 8, 1) to (start + 6, 17)
- Code(Counter(0)) at (prev + 15, 5) to (start + 36, 15)
- Code(Counter(0)) at (prev + 43, 5) to (start + 1, 2)
Function name: holes::main::_unused_fn (unused)
Raw bytes (9): 0x[01, 01, 00, 01, 00, 19, 05, 00, 17]
Number of files: 1
- file 0 => global file 1
Number of expressions: 0
Number of file 0 mappings: 1
- Code(Zero) at (prev + 25, 5) to (start + 0, 23)
Function name: holes::main::{closure#0} (unused)
Raw bytes (9): 0x[01, 01, 00, 01, 00, 12, 09, 02, 0a]
Number of files: 1
- file 0 => global file 1
Number of expressions: 0
Number of file 0 mappings: 1
- Code(Zero) at (prev + 18, 9) to (start + 2, 10)
Function name: holes::main::{closure#1} (unused)
Raw bytes (9): 0x[01, 01, 00, 01, 00, 3d, 09, 02, 0a]
Number of files: 1
- file 0 => global file 1
Number of expressions: 0
Number of file 0 mappings: 1
- Code(Zero) at (prev + 61, 9) to (start + 2, 10)

70
tests/coverage/holes.coverage Normal file
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LL| |//@ edition: 2021
LL| |
LL| |// Nested items/closures should be treated as "holes", so that their spans are
LL| |// not displayed as executable code in the enclosing function.
LL| |
LL| |use core::hint::black_box;
LL| |
LL| 1|fn main() {
LL| 1| black_box(());
LL| 1|
LL| 1| // Splitting this across multiple lines makes it easier to see where the
LL| 1| // coverage mapping regions begin and end.
LL| 1| #[rustfmt::skip]
LL| 1| let _closure =
LL| | |
LL| | _arg: (),
LL| | |
LL| 0| {
LL| 0| black_box(());
LL| 0| }
LL| | ;
LL| |
LL| 1| black_box(());
LL| 1|
LL| 1| fn _unused_fn() {}
^0
LL| 1|
LL| 1| black_box(());
LL| 1|
LL| 1| struct MyStruct {
LL| 1| _x: u32,
LL| 1| _y: u32,
LL| 1| }
LL| 1|
LL| 1| black_box(());
LL| 1|
LL| 1| impl MyStruct {
LL| 1| fn _method(&self) {}
^0
LL| 1| }
LL| 1|
LL| 1| black_box(());
LL| 1|
LL| 1| macro_rules! _my_macro {
LL| 1| () => {};
LL| 1| }
LL| 1|
LL| 1| black_box(());
LL| 1|
LL| 1| #[rustfmt::skip]
LL| 1| let _const =
LL| 1| const
LL| 1| {
LL| 1| 7 + 4
LL| 1| }
LL| 1| ;
LL| 1|
LL| 1| black_box(());
LL| 1|
LL| 1| #[rustfmt::skip]
LL| 1| let _async =
LL| | async
LL| 0| {
LL| 0| 7 + 4
LL| 0| }
LL| | ;
LL| |
LL| 1| black_box(());
LL| 1|}

67
tests/coverage/holes.rs Normal file
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//@ edition: 2021
// Nested items/closures should be treated as "holes", so that their spans are
// not displayed as executable code in the enclosing function.
use core::hint::black_box;
fn main() {
black_box(());
// Splitting this across multiple lines makes it easier to see where the
// coverage mapping regions begin and end.
#[rustfmt::skip]
let _closure =
|
_arg: (),
|
{
black_box(());
}
;
black_box(());
fn _unused_fn() {}
black_box(());
struct MyStruct {
_x: u32,
_y: u32,
}
black_box(());
impl MyStruct {
fn _method(&self) {}
}
black_box(());
macro_rules! _my_macro {
() => {};
}
black_box(());
#[rustfmt::skip]
let _const =
const
{
7 + 4
}
;
black_box(());
#[rustfmt::skip]
let _async =
async
{
7 + 4
}
;
black_box(());
}