rust/tests/ui/unsafe/wrapping-unsafe-block-sugg.rs
2023-11-06 16:23:09 +00:00

74 lines
2.2 KiB
Rust

// run-rustfix
// aux-build:external_unsafe_macro.rs
// revisions: mir thir
// [thir]compile-flags: -Zthir-unsafeck
#![deny(unsafe_op_in_unsafe_fn)] //~ NOTE
#![crate_name = "wrapping_unsafe_block_sugg"]
extern crate external_unsafe_macro;
unsafe fn unsf() {}
pub unsafe fn foo() {
//~^ NOTE an unsafe function restricts its caller, but its body is safe by default
unsf(); //[mir]~ ERROR call to unsafe function is unsafe
//[thir]~^ ERROR call to unsafe function `unsf` is unsafe
//~^^ NOTE
//~| NOTE
unsf(); //[mir]~ ERROR call to unsafe function is unsafe
//[thir]~^ ERROR call to unsafe function `unsf` is unsafe
//~^^ NOTE
//~| NOTE
}
pub unsafe fn bar(x: *const i32) -> i32 {
//~^ NOTE an unsafe function restricts its caller, but its body is safe by default
let y = *x; //~ ERROR dereference of raw pointer is unsafe and requires unsafe block
//~^ NOTE
//~| NOTE
y + *x //~ ERROR dereference of raw pointer is unsafe and requires unsafe block
//~^ NOTE
//~| NOTE
}
static mut BAZ: i32 = 0;
pub unsafe fn baz() -> i32 {
//~^ NOTE an unsafe function restricts its caller, but its body is safe by default
let y = BAZ; //~ ERROR use of mutable static is unsafe and requires unsafe block
//~^ NOTE
//~| NOTE
y + BAZ //~ ERROR use of mutable static is unsafe and requires unsafe block
//~^ NOTE
//~| NOTE
}
macro_rules! unsafe_macro { () => (unsf()) }
//[mir]~^ ERROR call to unsafe function is unsafe
//[thir]~^^ ERROR call to unsafe function `unsf` is unsafe
//~| NOTE
//~| NOTE
//[mir]~| ERROR call to unsafe function is unsafe
//[thir]~| ERROR call to unsafe function `unsf` is unsafe
//~| NOTE
//~| NOTE
pub unsafe fn unsafe_in_macro() {
//~^ NOTE an unsafe function restricts its caller, but its body is safe by default
unsafe_macro!();
//~^ NOTE
//~| NOTE
unsafe_macro!();
//~^ NOTE
//~| NOTE
}
pub unsafe fn unsafe_in_external_macro() {
// FIXME: https://github.com/rust-lang/rust/issues/112504
// FIXME: ~^ NOTE an unsafe function restricts its caller, but its body is safe by default
external_unsafe_macro::unsafe_macro!();
external_unsafe_macro::unsafe_macro!();
}
fn main() {}