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Merged
carolynzech merged 1 commit into from
Sep 18, 2024
Merged

Add tests for issue 3009 #3526

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11 changes: 11 additions & 0 deletions tests/ui/function-contracts/non_bool_contracts.expected
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
|
| #[kani::requires(a + b)]
| -----------------^^^^^--
| | |
| | expected `bool`, found `u64`
| arguments to this function are incorrect
|

|
| #[kani::ensures(|result| a % *result && b % *result == 0 && *result != 0)]
| ^^^^^^^^^^^ expected `bool`, found `u64`
13 changes: 13 additions & 0 deletions tests/ui/function-contracts/non_bool_contracts.rs
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// Copyright Kani Contributors
// SPDX-License-Identifier: Apache-2.0 OR MIT
// kani-flags: -Zfunction-contracts

// This tests that Kani reports the "ideal" error message when contracts are non-boolean expressions
// By "ideal," we mean that the error spans are as narrow as possible
// (c.f. https://github.com/model-checking/kani/issues/3009)

#[kani::requires(a + b)]
#[kani::ensures(|result| a % *result && b % *result == 0 && *result != 0)]
fn gcd(a: u64, b: u64) -> u64 {
0
}