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add indirect call example to track-caller-ffi.rs

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This commit is contained in:
Folkert de Vries
2025-08-22 01:51:17 +02:00
parent 7d99979077
commit 9db778155e
1 changed files with 13 additions and 8 deletions
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tests/ui/rfcs/rfc-2091-track-caller/track-caller-ffi.rs
+13 -8
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@@ -2,14 +2,14 @@
use std::panic::Location;
extern "Rust" {
unsafe extern "Rust" {
#[track_caller]
fn rust_track_caller_ffi_test_tracked() -> &'static Location<'static>;
fn rust_track_caller_ffi_test_untracked() -> &'static Location<'static>;
safe fn rust_track_caller_ffi_test_tracked() -> &'static Location<'static>;
safe fn rust_track_caller_ffi_test_untracked() -> &'static Location<'static>;
}
fn rust_track_caller_ffi_test_nested_tracked() -> &'static Location<'static> {
unsafe { rust_track_caller_ffi_test_tracked() }
rust_track_caller_ffi_test_tracked()
}
mod provides {
@@ -31,12 +31,12 @@ fn main() {
assert_eq!(location.line(), 29);
assert_eq!(location.column(), 20);
let tracked = unsafe { rust_track_caller_ffi_test_tracked() };
let tracked = rust_track_caller_ffi_test_tracked();
assert_eq!(tracked.file(), file!());
assert_eq!(tracked.line(), 34);
assert_eq!(tracked.column(), 28);
assert_eq!(tracked.column(), 19);
let untracked = unsafe { rust_track_caller_ffi_test_untracked() };
let untracked = rust_track_caller_ffi_test_untracked();
assert_eq!(untracked.file(), file!());
assert_eq!(untracked.line(), 24);
assert_eq!(untracked.column(), 9);
@@ -44,5 +44,10 @@ fn main() {
let contained = rust_track_caller_ffi_test_nested_tracked();
assert_eq!(contained.file(), file!());
assert_eq!(contained.line(), 12);
assert_eq!(contained.column(), 14);
assert_eq!(contained.column(), 5);
let indirect = (rust_track_caller_ffi_test_tracked as fn() -> &'static Location<'static>)();
assert_eq!(indirect.file(), file!());
assert_eq!(indirect.line(), 7);
assert_eq!(indirect.column(), 5);
}