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// Copyright 2015-2019 Brian Smith.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#[test]
fn test_debug() {
const INPUTS: &[&[u8]] = &[b"", b"foo"];
for input in INPUTS {
let input = untrusted::Input::from(input);
assert_eq!(format!("{:?}", &input), "Input");
input
.read_all(untrusted::EndOfInput, |r| {
assert_eq!(format!("{:?}", r), "Reader");
r.skip_to_end();
assert_eq!(format!("{:?}", r), "Reader");
Ok(())
})
.unwrap();
}
}
#[test]
fn test_input_clone_and_copy() {
const INPUTS: &[&[u8]] = &[b"", b"a", b"foo"];
for input in INPUTS {
let input = untrusted::Input::from(input);
let copy = input;
assert_eq!(input.as_slice_less_safe(), copy.as_slice_less_safe());
assert_eq!(
input.as_slice_less_safe(),
input.clone().as_slice_less_safe()
);
}
}
#[test]
fn test_input_from() {
let _ = untrusted::Input::from(b"foo");
}
#[test]
fn test_input_is_empty() {
let input = untrusted::Input::from(b"");
assert!(input.is_empty());
let input = untrusted::Input::from(b"foo");
assert!(!input.is_empty());
}
#[test]
fn test_input_len() {
let input = untrusted::Input::from(b"foo");
assert_eq!(input.len(), 3);
}
#[test]
fn test_input_read_all() {
let input = untrusted::Input::from(b"foo");
let result = input.read_all(untrusted::EndOfInput, |input| {
assert_eq!(b'f', input.read_byte()?);
assert_eq!(b'o', input.read_byte()?);
assert_eq!(b'o', input.read_byte()?);
assert!(input.at_end());
Ok(())
});
assert_eq!(result, Ok(()));
}
#[test]
fn test_input_read_all_unconsume() {
let input = untrusted::Input::from(b"foo");
let result = input.read_all(untrusted::EndOfInput, |input| {
assert_eq!(b'f', input.read_byte()?);
assert!(!input.at_end());
Ok(())
});
assert_eq!(result, Err(untrusted::EndOfInput));
}
#[test]
fn test_input_as_slice_less_safe() {
let slice = b"foo";
let input = untrusted::Input::from(slice);
assert_eq!(input.as_slice_less_safe(), slice);
}
#[test]
fn using_reader_after_skip_and_get_error_returns_error_must_not_panic() {
let input = untrusted::Input::from(&[]);
let r = input.read_all(untrusted::EndOfInput, |input| {
let r = input.read_bytes(1);
assert_eq!(r.unwrap_err(), untrusted::EndOfInput);
Ok(input.read_bytes_to_end())
});
let _ = r; // "Use" r. The value of `r` is undefined here.
}
#[test]
fn size_assumptions() {
// Assume that a pointer can address any point in the address space, and
// infer that this implies that a byte slice will never be
// `core::usize::MAX` bytes long.
assert_eq!(
core::mem::size_of::<*const u8>(),
core::mem::size_of::<usize>()
);
}
#[test]
fn const_fn() {
const _INPUT: untrusted::Input<'static> = untrusted::Input::from(&[]);
}
#[test]
fn test_vec_into() {
extern crate std;
let vec = vec![0u8; 0];
let _x: untrusted::Input = (&vec[..]).into();
}
#[test]
fn test_from_slice() {
let slice: &[u8] = &[0u8];
let _x: untrusted::Input = slice.into();
}
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