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big to little endian, some more tests

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This commit is contained in:
Darren Langley
2019-02-15 20:46:06 +10:00
parent 0800091a43
commit c59bab58d2
5 changed files with 141 additions and 59 deletions
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53
eth2/utils/ssz/src/impl_encode.rs
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@@ -27,9 +27,9 @@ macro_rules! impl_encodable_for_uint {
// Match bit size with encoding
match $bit_size {
8 => buf.put_u8(*self as u8),
16 => buf.put_u16_be(*self as u16),
32 => buf.put_u32_be(*self as u32),
64 => buf.put_u64_be(*self as u64),
16 => buf.put_u16_le(*self as u16),
32 => buf.put_u32_le(*self as u32),
64 => buf.put_u64_le(*self as u64),
_ => {}
}
@@ -115,17 +115,17 @@ mod tests {
let x: u16 = 1;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 1]);
assert_eq!(ssz.drain(), vec![1, 0]);
let x: u16 = 100;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 100]);
assert_eq!(ssz.drain(), vec![100, 0]);
let x: u16 = 1 << 8;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![1, 0]);
assert_eq!(ssz.drain(), vec![0, 1]);
let x: u16 = 65535;
let mut ssz = SszStream::new();
@@ -138,22 +138,22 @@ mod tests {
let x: u32 = 1;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 0, 0, 1]);
assert_eq!(ssz.drain(), vec![1, 0, 0, 0]);
let x: u32 = 100;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 0, 0, 100]);
assert_eq!(ssz.drain(), vec![100, 0, 0, 0]);
let x: u32 = 1 << 16;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 1, 0, 0]);
assert_eq!(ssz.drain(), vec![0, 0, 1, 0]);
let x: u32 = 1 << 24;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![1, 0, 0, 0]);
assert_eq!(ssz.drain(), vec![0, 0, 0, 1]);
let x: u32 = !0;
let mut ssz = SszStream::new();
@@ -166,17 +166,17 @@ mod tests {
let x: u64 = 1;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 0, 0, 0, 0, 0, 0, 1]);
assert_eq!(ssz.drain(), vec![1, 0, 0, 0, 0, 0, 0, 0]);
let x: u64 = 100;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 0, 0, 0, 0, 0, 0, 100]);
assert_eq!(ssz.drain(), vec![100, 0, 0, 0, 0, 0, 0, 0]);
let x: u64 = 1 << 32;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 0, 0, 1, 0, 0, 0, 0]);
assert_eq!(ssz.drain(), vec![0, 0, 0, 0, 1, 0, 0, 0]);
let x: u64 = !0;
let mut ssz = SszStream::new();
@@ -189,21 +189,42 @@ mod tests {
let x: usize = 1;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 0, 0, 0, 0, 0, 0, 1]);
assert_eq!(ssz.drain(), vec![1, 0, 0, 0, 0, 0, 0, 0]);
let x: usize = 100;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 0, 0, 0, 0, 0, 0, 100]);
assert_eq!(ssz.drain(), vec![100, 0, 0, 0, 0, 0, 0, 0]);
let x: usize = 1 << 32;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![0, 0, 0, 1, 0, 0, 0, 0]);
assert_eq!(ssz.drain(), vec![0, 0, 0, 0, 1, 0, 0, 0]);
let x: usize = !0;
let mut ssz = SszStream::new();
ssz.append(&x);
assert_eq!(ssz.drain(), vec![255, 255, 255, 255, 255, 255, 255, 255]);
}
#[test]
fn test_ssz_mixed() {
let mut stream = SszStream::new();
let h = Address::zero();
let a: u8 = 100;
let b: u16 = 65535;
let c: u32 = 1 << 24;
stream.append(&h);
stream.append(&a);
stream.append(&b);
stream.append(&c);
let ssz = stream.drain();
assert_eq!(ssz[0..20], *vec![0; 20]);
assert_eq!(ssz[20], 100);
assert_eq!(ssz[21..23], *vec![255, 255]);
assert_eq!(ssz[23..27], *vec![0, 0, 0, 1]);
}
}