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|
use borsh::from_slice;
#[cfg(feature = "derive")]
use borsh::BorshDeserialize;
use alloc::{
format,
string::{String, ToString},
vec,
vec::Vec,
};
#[cfg(feature = "derive")]
#[derive(BorshDeserialize, Debug)]
#[borsh(use_discriminant = true)]
enum A {
X,
Y,
}
#[cfg(feature = "derive")]
#[derive(BorshDeserialize, Debug)]
#[borsh(use_discriminant = false)]
enum AWithUseDiscriminantFalse {
X,
Y,
}
#[cfg(feature = "derive")]
#[derive(BorshDeserialize, Debug)]
struct B {
#[allow(unused)]
x: u64,
#[allow(unused)]
y: u32,
}
const ERROR_UNEXPECTED_LENGTH_OF_INPUT: &str = "Unexpected length of input";
const ERROR_INVALID_ZERO_VALUE: &str = "Expected a non-zero value";
#[cfg(feature = "derive")]
#[test]
fn test_missing_bytes() {
let bytes = vec![1, 0];
assert_eq!(
from_slice::<B>(&bytes).unwrap_err().to_string(),
ERROR_UNEXPECTED_LENGTH_OF_INPUT
);
}
#[cfg(feature = "derive")]
#[test]
fn test_invalid_enum_variant() {
let bytes = vec![123];
assert_eq!(
from_slice::<A>(&bytes).unwrap_err().to_string(),
"Unexpected variant tag: 123"
);
}
#[cfg(feature = "derive")]
#[test]
fn test_invalid_enum_variant_old() {
let bytes = vec![123];
assert_eq!(
from_slice::<AWithUseDiscriminantFalse>(&bytes)
.unwrap_err()
.to_string(),
"Unexpected variant tag: 123"
);
}
#[test]
fn test_extra_bytes() {
let bytes = vec![1, 0, 0, 0, 32, 32];
assert_eq!(
from_slice::<Vec<u8>>(&bytes).unwrap_err().to_string(),
"Not all bytes read"
);
}
#[test]
fn test_invalid_bool() {
for i in 2u8..=255 {
let bytes = [i];
assert_eq!(
from_slice::<bool>(&bytes).unwrap_err().to_string(),
format!("Invalid bool representation: {}", i)
);
}
}
#[test]
fn test_invalid_option() {
for i in 2u8..=255 {
let bytes = [i, 32];
assert_eq!(
from_slice::<Option<u8>>(&bytes).unwrap_err().to_string(),
format!(
"Invalid Option representation: {}. The first byte must be 0 or 1",
i
)
);
}
}
#[test]
fn test_invalid_result() {
for i in 2u8..=255 {
let bytes = [i, 0];
assert_eq!(
from_slice::<Result<u64, String>>(&bytes)
.unwrap_err()
.to_string(),
format!(
"Invalid Result representation: {}. The first byte must be 0 or 1",
i
)
);
}
}
#[test]
fn test_invalid_length() {
let bytes = vec![255u8; 4];
assert_eq!(
from_slice::<Vec<u64>>(&bytes).unwrap_err().to_string(),
ERROR_UNEXPECTED_LENGTH_OF_INPUT
);
}
#[test]
fn test_invalid_length_string() {
let bytes = vec![255u8; 4];
assert_eq!(
from_slice::<String>(&bytes).unwrap_err().to_string(),
ERROR_UNEXPECTED_LENGTH_OF_INPUT
);
}
#[test]
fn test_non_utf_string() {
let bytes = vec![1, 0, 0, 0, 0xC0];
assert_eq!(
from_slice::<String>(&bytes).unwrap_err().to_string(),
"invalid utf-8 sequence of 1 bytes from index 0"
);
}
#[test]
fn test_nan_float() {
let bytes = vec![0, 0, 192, 127];
assert_eq!(
from_slice::<f32>(&bytes).unwrap_err().to_string(),
"For portability reasons we do not allow to deserialize NaNs."
);
}
#[test]
fn test_evil_bytes_vec_with_extra() {
// Should fail to allocate given length
// test takes a really long time if read() is used instead of read_exact()
let bytes = vec![255, 255, 255, 255, 32, 32];
assert_eq!(
from_slice::<Vec<[u8; 32]>>(&bytes).unwrap_err().to_string(),
ERROR_UNEXPECTED_LENGTH_OF_INPUT
);
}
#[test]
fn test_evil_bytes_string_extra() {
// Might fail if reading too much
let bytes = vec![255, 255, 255, 255, 32, 32];
assert_eq!(
from_slice::<String>(&bytes).unwrap_err().to_string(),
ERROR_UNEXPECTED_LENGTH_OF_INPUT
);
}
#[test]
fn test_zero_on_nonzero_integer_u8() {
let bytes = &[0];
assert_eq!(
from_slice::<core::num::NonZeroU8>(bytes)
.unwrap_err()
.to_string(),
ERROR_INVALID_ZERO_VALUE
);
}
#[test]
fn test_zero_on_nonzero_integer_u32() {
let bytes = &[0; 4];
assert_eq!(
from_slice::<core::num::NonZeroU32>(bytes)
.unwrap_err()
.to_string(),
ERROR_INVALID_ZERO_VALUE
);
}
#[test]
fn test_zero_on_nonzero_integer_i64() {
let bytes = &[0; 8];
assert_eq!(
from_slice::<core::num::NonZeroI64>(bytes)
.unwrap_err()
.to_string(),
ERROR_INVALID_ZERO_VALUE
);
}
#[test]
fn test_zero_on_nonzero_integer_usize() {
let bytes = &[0; 8];
assert_eq!(
from_slice::<core::num::NonZeroUsize>(bytes)
.unwrap_err()
.to_string(),
ERROR_INVALID_ZERO_VALUE
);
}
#[test]
fn test_zero_on_nonzero_integer_missing_byte() {
let bytes = &[0; 7];
assert_eq!(
from_slice::<core::num::NonZeroUsize>(bytes)
.unwrap_err()
.to_string(),
ERROR_UNEXPECTED_LENGTH_OF_INPUT
);
}
|
