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//! Integration tests.
/// Hexadecimal test vectors
struct HexVector {
/// Raw bytes
raw: &'static [u8],
/// Lower hex encoded
lower_hex: &'static [u8],
/// Upper hex encoded
upper_hex: &'static [u8],
}
const HEX_TEST_VECTORS: &[HexVector] = &[
HexVector {
raw: b"",
lower_hex: b"",
upper_hex: b"",
},
HexVector {
raw: b"\0",
lower_hex: b"00",
upper_hex: b"00",
},
HexVector {
raw: b"***",
lower_hex: b"2a2a2a",
upper_hex: b"2A2A2A",
},
HexVector {
raw: b"\x01\x02\x03\x04",
lower_hex: b"01020304",
upper_hex: b"01020304",
},
HexVector {
raw: b"\xAD\xAD\xAD\xAD\xAD",
lower_hex: b"adadadadad",
upper_hex: b"ADADADADAD",
},
HexVector {
raw: b"\xFF\xFF\xFF\xFF\xFF",
lower_hex: b"ffffffffff",
upper_hex: b"FFFFFFFFFF",
},
];
#[test]
fn lower_encode() {
for vector in HEX_TEST_VECTORS {
// 10 is the size of the largest encoded test vector
let mut buf = [0u8; 10];
let out = base16ct::lower::encode(vector.raw, &mut buf).unwrap();
assert_eq!(vector.lower_hex, out);
}
}
#[test]
fn lower_decode() {
for vector in HEX_TEST_VECTORS {
// 5 is the size of the largest decoded test vector
let mut buf = [0u8; 5];
let out = base16ct::lower::decode(vector.lower_hex, &mut buf).unwrap();
assert_eq!(vector.raw, out);
}
}
#[test]
fn lower_reject_odd_size_input() {
let mut out = [0u8; 3];
assert_eq!(
Err(base16ct::Error::InvalidLength),
base16ct::lower::decode(b"12345", &mut out),
)
}
#[test]
fn upper_encode() {
for vector in HEX_TEST_VECTORS {
// 10 is the size of the largest encoded test vector
let mut buf = [0u8; 10];
let out = base16ct::upper::encode(vector.raw, &mut buf).unwrap();
assert_eq!(vector.upper_hex, out);
}
}
#[test]
fn upper_decode() {
for vector in HEX_TEST_VECTORS {
// 5 is the size of the largest decoded test vector
let mut buf = [0u8; 5];
let out = base16ct::upper::decode(vector.upper_hex, &mut buf).unwrap();
assert_eq!(vector.raw, out);
}
}
#[test]
fn upper_reject_odd_size_input() {
let mut out = [0u8; 3];
assert_eq!(
Err(base16ct::Error::InvalidLength),
base16ct::upper::decode(b"12345", &mut out),
)
}
#[test]
fn mixed_decode() {
for vector in HEX_TEST_VECTORS {
// 5 is the size of the largest decoded test vector
let mut buf = [0u8; 5];
let out = base16ct::mixed::decode(vector.upper_hex, &mut buf).unwrap();
assert_eq!(vector.raw, out);
let out = base16ct::mixed::decode(vector.lower_hex, &mut buf).unwrap();
assert_eq!(vector.raw, out);
}
}
#[test]
fn mixed_reject_odd_size_input() {
let mut out = [0u8; 3];
assert_eq!(
Err(base16ct::Error::InvalidLength),
base16ct::mixed::decode(b"12345", &mut out),
)
}
#[test]
#[cfg(feature = "alloc")]
fn encode_and_decode_various_lengths() {
let data = [b'X'; 64];
for i in 0..data.len() {
let encoded = base16ct::lower::encode_string(&data[..i]);
let decoded = base16ct::lower::decode_vec(encoded).unwrap();
assert_eq!(decoded.as_slice(), &data[..i]);
let encoded = base16ct::upper::encode_string(&data[..i]);
let decoded = base16ct::upper::decode_vec(encoded).unwrap();
assert_eq!(decoded.as_slice(), &data[..i]);
let encoded = base16ct::lower::encode_string(&data[..i]);
let decoded = base16ct::mixed::decode_vec(encoded).unwrap();
assert_eq!(decoded.as_slice(), &data[..i]);
let encoded = base16ct::upper::encode_string(&data[..i]);
let decoded = base16ct::mixed::decode_vec(encoded).unwrap();
assert_eq!(decoded.as_slice(), &data[..i]);
}
}
#[test]
fn hex_display_upper() {
for vector in HEX_TEST_VECTORS {
let hex = format!("{:X}", base16ct::HexDisplay(vector.raw));
assert_eq!(hex.as_bytes(), vector.upper_hex);
}
}
#[test]
fn hex_display_lower() {
for vector in HEX_TEST_VECTORS {
let hex = format!("{:x}", base16ct::HexDisplay(vector.raw));
assert_eq!(hex.as_bytes(), vector.lower_hex);
}
}
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