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2a5dac7682
The contract_checks compiler flag is now used to determine if runtime contract checks should be enabled, as opposed to the compiler intrinsic as previously.
24 lines
687 B
Rust
24 lines
687 B
Rust
//@ revisions: default chk_fail_ensures chk_fail_requires
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//
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//@ [default] run-pass
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//@ [chk_fail_requires] run-crash
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//@ [chk_fail_ensures] run-crash
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#![feature(contracts_internals, core_intrinsics)]
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fn main() {
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// always pass
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core::intrinsics::contract_check_requires(|| true);
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// always fail
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#[cfg(chk_fail_requires)]
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core::intrinsics::contract_check_requires(|| false);
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let doubles_to_two = { let old = 2; move |ret: &u32 | ret + ret == old };
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// Always pass
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core::intrinsics::contract_check_ensures(Some(doubles_to_two), 1);
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// always fail
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#[cfg(chk_fail_ensures)]
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core::intrinsics::contract_check_ensures(Some(doubles_to_two), 2);
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}
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