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use crate::{Driver, DriverMode};
use bolero_generator::driver::ByteSliceDriver;
use core::fmt;
use pretty_hex::pretty_hex_write;
use std::panic::RefUnwindSafe;
pub trait TestInput<Output> {
type Driver: Driver + RefUnwindSafe;
fn with_slice<F: FnMut(&[u8]) -> Output>(&mut self, f: &mut F) -> Output;
fn with_driver<F: FnMut(&mut Self::Driver) -> Output>(&mut self, f: &mut F) -> Output;
}
impl<'a, Output> TestInput<Output> for &'a [u8] {
type Driver = ByteSliceDriver<'a>;
fn with_slice<F: FnMut(&[u8]) -> Output>(&mut self, f: &mut F) -> Output {
f(self)
}
fn with_driver<F: FnMut(&mut Self::Driver) -> Output>(&mut self, f: &mut F) -> Output {
f(&mut ByteSliceDriver::new(self, None))
}
}
#[derive(Clone, Copy, Debug)]
pub struct ByteSliceTestInput<'a> {
slice: &'a [u8],
mode: Option<DriverMode>,
}
impl<'a> ByteSliceTestInput<'a> {
pub fn new(slice: &'a [u8], mode: Option<DriverMode>) -> Self {
Self { slice, mode }
}
}
impl<'a, Output> TestInput<Output> for ByteSliceTestInput<'a> {
type Driver = ByteSliceDriver<'a>;
fn with_slice<F: FnMut(&[u8]) -> Output>(&mut self, f: &mut F) -> Output {
f(&self.slice)
}
fn with_driver<F: FnMut(&mut Self::Driver) -> Output>(&mut self, f: &mut F) -> Output {
f(&mut ByteSliceDriver::new(&self.slice, self.mode))
}
}
#[derive(Clone, Copy)]
pub struct SliceDebug<T>(pub(crate) T);
impl<T> core::ops::Deref for SliceDebug<T> {
type Target = T;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<T: AsRef<[u8]>> fmt::Debug for SliceDebug<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
pretty_hex_write(f, &self.0.as_ref())
}
}