mirror of https://github.com/rust-lang/rust.git
43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
//@ revisions: unchk_pass unchk_fail_pre unchk_fail_post chk_pass chk_fail_pre chk_fail_post
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//
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//@ [unchk_pass] run-pass
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//@ [unchk_fail_pre] run-pass
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//@ [unchk_fail_post] run-pass
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//@ [chk_pass] run-pass
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//
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//@ [chk_fail_pre] run-fail
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//@ [chk_fail_post] run-fail
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//
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//@ [unchk_pass] compile-flags: -Zcontract-checks=no
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//@ [unchk_fail_pre] compile-flags: -Zcontract-checks=no
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//@ [unchk_fail_post] compile-flags: -Zcontract-checks=no
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//
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//@ [chk_pass] compile-flags: -Zcontract-checks=yes
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//@ [chk_fail_pre] compile-flags: -Zcontract-checks=yes
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//@ [chk_fail_post] compile-flags: -Zcontract-checks=yes
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#![feature(contracts_internals)]
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fn tail(x: Baz) -> i32
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contract_requires(|| x.baz > 0)
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contract_ensures(|ret| *ret > 100)
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{
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x.baz + 50
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}
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struct Baz { baz: i32 }
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const BAZ_PASS_PRE_POST: Baz = Baz { baz: 100 };
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#[cfg(any(unchk_fail_post, chk_fail_post))]
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const BAZ_FAIL_POST: Baz = Baz { baz: 10 };
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#[cfg(any(unchk_fail_pre, chk_fail_pre))]
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const BAZ_FAIL_PRE: Baz = Baz { baz: -10 };
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fn main() {
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assert_eq!(tail(BAZ_PASS_PRE_POST), 150);
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#[cfg(any(unchk_fail_pre, chk_fail_pre))]
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tail(BAZ_FAIL_PRE);
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#[cfg(any(unchk_fail_post, chk_fail_post))]
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tail(BAZ_FAIL_POST);
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}
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