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stream: update StreamMap fuzz test (#5600)

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This fuzz test touches some quadratic time code paths. This changes the
test to limit the test size so that the test doesn't time out.
This commit is contained in:
Alice Ryhl
2023-04-11 10:40:10 +02:00
committed by GitHub
parent b02c550c52
commit 3b45e8614d
1 changed files with 4 additions and 3 deletions
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tokio-stream/fuzz/fuzz_targets/fuzz_stream_map.rs
+4 -3
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@@ -28,7 +28,7 @@ fn pin_box<T: Stream<Item = U> + 'static, U>(s: T) -> Pin<Box<dyn Stream<Item =
Box::pin(s)
}
fuzz_target!(|data: &[u8]| {
fuzz_target!(|data: [bool; 64]| {
use std::task::{Context, Poll};
struct DidPoll<T> {
@@ -45,11 +45,12 @@ fuzz_target!(|data: &[u8]| {
}
}
for _ in 0..10 {
// Try the test with each possible length.
for len in 0..data.len() {
let mut map = task::spawn(StreamMap::new());
let mut expect = 0;
for (i, is_empty) in data.iter().map(|x| *x != 0).enumerate() {
for (i, is_empty) in data[..len].iter().copied().enumerate() {
let inner = if is_empty {
pin_box(stream::empty::<()>())
} else {