Merge branch 'idx' into 'main'
tor-circmgr: Fix random_idx_where with empty slice Closes #918 See merge request tpo/core/arti!1296
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commit
03960b5048
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@ -144,6 +144,9 @@ where
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P: Fn(&T) -> bool,
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{
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let n_circuits = slice.len();
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if n_circuits == 0 {
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return None;
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}
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let shift = rng.gen_range(0..n_circuits);
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(shift..n_circuits)
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.chain(0..shift)
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@ -183,4 +186,11 @@ mod test {
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assert!(found[idx] == (num & 1 == 1));
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}
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}
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#[test]
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fn random_idx_empty() {
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let mut rng = testing_rng();
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let idx = random_idx_where(&mut rng, &[], |_: &i32| panic!());
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assert_eq!(idx, None);
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}
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}
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