rust/tests/ui/contracts/contract-attributes-nest.rs
Felix S. Klock II ae7eff0be5 Desugars contract into the internal AST extensions
Check ensures on early return due to Try / Yeet

Expand these two expressions to include a call to contract checking
2025-02-03 13:54:32 -08:00

45 lines
1.2 KiB
Rust

//@ revisions: unchk_pass unchk_fail_pre unchk_fail_post chk_pass chk_fail_pre chk_fail_post
//
//@ [unchk_pass] run-pass
//@ [unchk_fail_pre] run-pass
//@ [unchk_fail_post] run-pass
//@ [chk_pass] run-pass
//
//@ [chk_fail_pre] run-fail
//@ [chk_fail_post] run-fail
//
//@ [unchk_pass] compile-flags: -Zcontract-checks=no
//@ [unchk_fail_pre] compile-flags: -Zcontract-checks=no
//@ [unchk_fail_post] compile-flags: -Zcontract-checks=no
//
//@ [chk_pass] compile-flags: -Zcontract-checks=yes
//@ [chk_fail_pre] compile-flags: -Zcontract-checks=yes
//@ [chk_fail_post] compile-flags: -Zcontract-checks=yes
#![feature(rustc_contracts)]
#[core::contracts::requires(x.baz > 0)]
#[core::contracts::ensures(|ret| *ret > 100)]
fn nest(x: Baz) -> i32
{
loop {
return x.baz + 50;
}
}
struct Baz { baz: i32 }
const BAZ_PASS_PRE_POST: Baz = Baz { baz: 100 };
#[cfg(any(unchk_fail_post, chk_fail_post))]
const BAZ_FAIL_POST: Baz = Baz { baz: 10 };
#[cfg(any(unchk_fail_pre, chk_fail_pre))]
const BAZ_FAIL_PRE: Baz = Baz { baz: -10 };
fn main() {
assert_eq!(nest(BAZ_PASS_PRE_POST), 150);
#[cfg(any(unchk_fail_pre, chk_fail_pre))]
nest(BAZ_FAIL_PRE);
#[cfg(any(unchk_fail_post, chk_fail_post))]
nest(BAZ_FAIL_POST);
}