52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
#![no_main]
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use arbitrary::Arbitrary;
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use libfuzzer_sys::fuzz_target;
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use std::mem;
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#[derive(Arbitrary, Debug)]
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enum IntegerInput {
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I8(i8),
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U8(u8),
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I16(i16),
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U16(u16),
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I32(i32),
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U32(u32),
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I64(i64),
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U64(u64),
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I128(i128),
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U128(u128),
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Isize(isize),
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Usize(usize),
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}
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macro_rules! test_itoa {
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($val:expr) => {
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match $val {
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val => {
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let mut buffer = itoa::Buffer::new();
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let string = buffer.format(val);
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assert!(string.len() <= mem::size_of::<itoa::Buffer>());
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assert_eq!(val, string.parse().unwrap());
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}
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}
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};
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}
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fuzz_target!(|input: IntegerInput| {
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match input {
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IntegerInput::I8(val) => test_itoa!(val),
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IntegerInput::U8(val) => test_itoa!(val),
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IntegerInput::I16(val) => test_itoa!(val),
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IntegerInput::U16(val) => test_itoa!(val),
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IntegerInput::I32(val) => test_itoa!(val),
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IntegerInput::U32(val) => test_itoa!(val),
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IntegerInput::I64(val) => test_itoa!(val),
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IntegerInput::U64(val) => test_itoa!(val),
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IntegerInput::I128(val) => test_itoa!(val),
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IntegerInput::U128(val) => test_itoa!(val),
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IntegerInput::Isize(val) => test_itoa!(val),
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IntegerInput::Usize(val) => test_itoa!(val),
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}
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});
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