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Allow verification for "input rejected" case #2554

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merged 4 commits into from
Jun 22, 2023
Merged

Allow verification for "input rejected" case #2554

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4ea895e
Allow "input rejected" to pass.
YoshikiTakashima Jun 21, 2023
882ae88
rusftmt
YoshikiTakashima Jun 22, 2023
b6dcbfe
test case
YoshikiTakashima Jun 22, 2023
1a12977
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YoshikiTakashima Jun 22, 2023
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15 changes: 14 additions & 1 deletion proptest/src/test_runner/runner.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -231,7 +231,13 @@ impl TestRunner {
test: impl Fn(S::Value) -> TestCaseResult,
) -> TestRunResult<S> {
let tree = strategy.new_tree(self).unwrap();
test(tree.current()).unwrap();

// run harness and assert that (1) it succeeds or (2) the
// input was invalid.
assert!(matches!(
test(tree.current()),
Ok(_) | Err(TestCaseError::Reject(_))
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));
Ok(())
}

Expand Down Expand Up @@ -294,6 +300,13 @@ mod test {
"Default .cases should be 256. Check: src/test_runner/config.rs"
);
}

#[test]
fn reject_input(nil in &Just(()) ) {
if nil == () {
return Err(TestCaseError::reject("input rejected."))
}
}
}

proptest! {
Expand Down