36 lines
829 B
Rust
36 lines
829 B
Rust
/*!
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Fuzz target for `ferro_ta_core::overlap::ema`.
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Verifies that EMA never panics for any input and that the output length
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always matches the input length.
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*/
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#![no_main]
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use libfuzzer_sys::fuzz_target;
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use ferro_ta_core::overlap;
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fuzz_target!(|data: &[u8]| {
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if data.len() < 2 {
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return;
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}
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let timeperiod = ((data[0] as usize) % 64) + 1;
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let float_bytes = &data[1..];
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let n_floats = float_bytes.len() / 8;
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if n_floats == 0 {
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return;
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}
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let close: Vec<f64> = (0..n_floats)
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.map(|i| {
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let chunk: [u8; 8] = float_bytes[i * 8..(i + 1) * 8].try_into().unwrap();
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f64::from_le_bytes(chunk)
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})
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.collect();
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let result = overlap::ema(&close, timeperiod);
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assert_eq!(result.len(), close.len(), "EMA output length mismatch");
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});
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