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|
use super::super::*;
use std::io::Cursor;
#[test]
fn new_and_set_icv() {
use ValueError::*;
struct Test {
icv: &'static [u8],
ok: bool
}
let tests = [
// ok
Test{ icv: &[], ok: true },
Test{ icv: &[1,2,3,4], ok: true },
Test{ icv: &[1,2,3,4,5,6,7,8], ok: true },
Test{ icv: &[1,2,3,4,5,6,7,8,9,10,11,12], ok: true },
Test{ icv: &[0;0xfe*4], ok: true },
// unaligned
Test{ icv: &[1], ok: false },
Test{ icv: &[1,2,3], ok: false },
Test{ icv: &[1,2,3,4,5], ok: false },
Test{ icv: &[1,2,3,4,5,6,7], ok: false },
// too big
Test{ icv: &[0;0xff*4], ok: false },
];
for test in tests.iter() {
// new
{
let a = IpAuthenticationHeader::new(5, 6, 7, test.icv);
if test.ok {
let unwrapped = a.unwrap();
assert_eq!(5, unwrapped.next_header);
assert_eq!(6, unwrapped.spi);
assert_eq!(7, unwrapped.sequence_number);
assert_eq!(test.icv, unwrapped.raw_icv());
} else {
assert_eq!(
Err(IpAuthenticationHeaderBadIcvLength(test.icv.len())),
a
);
}
}
// set_raw_icv
{
let mut header = IpAuthenticationHeader::new(5, 6, 7, &[0;4]).unwrap();
let result = header.set_raw_icv(test.icv);
assert_eq!(5, header.next_header);
assert_eq!(6, header.spi);
assert_eq!(7, header.sequence_number);
if test.ok {
assert_eq!(Ok(()), result);
assert_eq!(test.icv, header.raw_icv());
} else {
assert_eq!(
Err(IpAuthenticationHeaderBadIcvLength(test.icv.len())),
result
);
assert_eq!(&[0;4], header.raw_icv());
}
}
}
}
proptest! {
#[test]
fn from_slice_slice_smaller_12(len in 0..12usize) {
use ReadError::*;
let data = [0;12];
assert_matches!(
IpAuthenticationHeaderSlice::from_slice(&data[..len]),
Err(UnexpectedEndOfSlice(12))
);
assert_matches!(
IpAuthenticationHeader::from_slice(&data[..len]),
Err(UnexpectedEndOfSlice(12))
);
}
}
#[test]
fn from_slice_bad_header_len() {
use ReadError::*;
let data = [0;16];
assert_matches!(
IpAuthenticationHeaderSlice::from_slice(&data[..]),
Err(IpAuthenticationHeaderTooSmallPayloadLength(0))
);
assert_matches!(
IpAuthenticationHeader::from_slice(&data[..]),
Err(IpAuthenticationHeaderTooSmallPayloadLength(0))
);
}
proptest! {
#[test]
fn header_len(expected in ip_authentication_any()) {
assert_eq!(expected.header_len(), expected.raw_icv().len() + 12);
}
}
proptest! {
#[test]
fn write_read(expected in ip_authentication_any()) {
let buffer = {
let mut buffer: Vec<u8> = Vec::new();
expected.write(&mut buffer).unwrap();
// add some extra data
buffer.push(1);
buffer.push(2);
buffer
};
// from_slice
{
let actual = IpAuthenticationHeaderSlice::from_slice(&buffer).unwrap();
assert_eq!(actual.slice(), &buffer[..buffer.len()-2]);
assert_eq!(actual.next_header(), expected.next_header);
assert_eq!(actual.spi(), expected.spi);
assert_eq!(actual.sequence_number(), expected.sequence_number);
assert_eq!(actual.raw_icv(), expected.raw_icv());
assert_eq!(actual.to_header(), expected);
// clone and equal check for slice
assert_eq!(actual.clone(), actual);
}
// from_slice_unchecked
unsafe {
let actual = IpAuthenticationHeaderSlice::from_slice_unchecked(&buffer);
assert_eq!(actual.slice(), &buffer[..buffer.len()-2]);
}
// from_slice
{
let (actual, rest) = IpAuthenticationHeader::from_slice(&buffer).unwrap();
assert_eq!(actual, expected);
assert_eq!(rest, &buffer[buffer.len()-2..]);
}
// read
{
let mut cursor = Cursor::new(&buffer);
let actual = IpAuthenticationHeader::read(&mut cursor).unwrap();
assert_eq!(expected, actual);
assert_eq!(cursor.position(), (buffer.len()-2) as u64);
}
// test error when the slice is smaller then the data lenght
for len in 0..buffer.len()-3 {
use ReadError::*;
assert_matches!(
IpAuthenticationHeader::from_slice(&buffer[..len]),
Err(UnexpectedEndOfSlice(_))
);
assert_matches!(
IpAuthenticationHeaderSlice::from_slice(&buffer[..len]),
Err(UnexpectedEndOfSlice(_))
);
{
let mut cursor = Cursor::new(&buffer[..len]);
assert_matches!(
IpAuthenticationHeader::read(&mut cursor),
Err(IoError(_))
);
}
}
}
}
/// Test that an IoError is correctly forwarded
#[test]
pub fn write_io_error() {
let header = IpAuthenticationHeader::new(
1,
2,
3,
&[4,5,6,7]
).unwrap();
// iterate through all too short lenghts
for len in 0..header.header_len() {
let mut writer = TestWriter::with_max_size(len);
assert_eq!(
writer.error_kind(),
header.write(&mut writer).unwrap_err().io_error().unwrap().kind()
);
}
}
#[test]
pub fn read_too_small_payload_len() {
let input = [0u8;16]; // the 2nd
let mut cursor = Cursor::new(&input);
assert_matches!(
IpAuthenticationHeader::read(&mut cursor),
Err(ReadError::IpAuthenticationHeaderTooSmallPayloadLength(0))
);
}
/// Dummy test for the clone function
#[test]
pub fn clone() {
let a = IpAuthenticationHeader::new(0,0,0,&[0;4]);
assert_eq!(a.clone(), a);
}
#[test]
pub fn partial_eq() {
let a = IpAuthenticationHeader::new(0,0,0,&[0;4]);
//equal
assert!(a == IpAuthenticationHeader::new(0,0,0,&[0;4]));
//not equal tests
assert!(a != IpAuthenticationHeader::new(1,0,0,&[0;4]));
assert!(a != IpAuthenticationHeader::new(0,1,0,&[0;4]));
assert!(a != IpAuthenticationHeader::new(0,0,1,&[0;4]));
assert!(a != IpAuthenticationHeader::new(0,0,0,&[0,1,0,0]));
assert!(a != IpAuthenticationHeader::new(0,0,1,&[]));
assert!(a != IpAuthenticationHeader::new(0,0,1,&[0;8]));
}
proptest! {
#[test]
/// Test for the manually implemented debug trait
fn debug(input in ip_authentication_any()) {
assert_eq!(
&format!(
"IpAuthenticationHeader {{ next_header: {}, spi: {}, sequence_number: {}, raw_icv: {:?} }}",
input.next_header,
input.spi,
input.sequence_number,
input.raw_icv()),
&format!("{:?}", input)
);
let buffer = {
let mut buffer = Vec::with_capacity(input.header_len());
input.write(&mut buffer).unwrap();
buffer
};
let slice = IpAuthenticationHeaderSlice::from_slice(&buffer).unwrap();
assert_eq!(
&format!(
"IpAuthenticationHeaderSlice {{ slice: {:?} }}",
slice.slice()
),
&format!("{:?}", slice)
);
}
}
|
