vendor/siphasher-0.3.11/src/tests.rs - toolchain/rustc - Git at Google

 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.

 use std::hash::{Hash, Hasher};

 use super::sip::{SipHasher, SipHasher13, SipHasher24};

 // Hash just the bytes of the slice, without length prefix
 struct Bytes<'a>(&'a [u8]);

 impl<'a> Hash for Bytes<'a> {
     #[allow(unused_must_use)]
     fn hash<H: Hasher>(&self, state: &mut H) {
         let Bytes(v) = *self;
         state.write(v);
     }
 }

 macro_rules! u8to64_le {
     ($buf:expr, $i:expr) => {
         $buf[0 + $i] as u64
             | ($buf[1 + $i] as u64) << 8
             | ($buf[2 + $i] as u64) << 16
             | ($buf[3 + $i] as u64) << 24
             | ($buf[4 + $i] as u64) << 32
             | ($buf[5 + $i] as u64) << 40
             | ($buf[6 + $i] as u64) << 48
             | ($buf[7 + $i] as u64) << 56
     };
     ($buf:expr, $i:expr, $len:expr) => {{
         let mut t = 0;
         let mut out = 0;
         while t < $len {
             out |= ($buf[t + $i] as u64) << t * 8;
             t += 1;
         }
         out
     }};
 }

 fn hash_with<H: Hasher, T: Hash>(mut st: H, x: &T) -> u64 {
     x.hash(&mut st);
     st.finish()
 }

 fn hash<T: Hash>(x: &T) -> u64 {
     hash_with(SipHasher::new(), x)
 }

 #[test]
 #[allow(unused_must_use)]
 fn test_siphash_1_3() {
     let vecs: [[u8; 8]; 64] = [
         [0xdc, 0xc4, 0x0f, 0x05, 0x58, 0x01, 0xac, 0xab],
         [0x93, 0xca, 0x57, 0x7d, 0xf3, 0x9b, 0xf4, 0xc9],
         [0x4d, 0xd4, 0xc7, 0x4d, 0x02, 0x9b, 0xcb, 0x82],
         [0xfb, 0xf7, 0xdd, 0xe7, 0xb8, 0x0a, 0xf8, 0x8b],
         [0x28, 0x83, 0xd3, 0x88, 0x60, 0x57, 0x75, 0xcf],
         [0x67, 0x3b, 0x53, 0x49, 0x2f, 0xd5, 0xf9, 0xde],
         [0xa7, 0x22, 0x9f, 0xc5, 0x50, 0x2b, 0x0d, 0xc5],
         [0x40, 0x11, 0xb1, 0x9b, 0x98, 0x7d, 0x92, 0xd3],
         [0x8e, 0x9a, 0x29, 0x8d, 0x11, 0x95, 0x90, 0x36],
         [0xe4, 0x3d, 0x06, 0x6c, 0xb3, 0x8e, 0xa4, 0x25],
         [0x7f, 0x09, 0xff, 0x92, 0xee, 0x85, 0xde, 0x79],
         [0x52, 0xc3, 0x4d, 0xf9, 0xc1, 0x18, 0xc1, 0x70],
         [0xa2, 0xd9, 0xb4, 0x57, 0xb1, 0x84, 0xa3, 0x78],
         [0xa7, 0xff, 0x29, 0x12, 0x0c, 0x76, 0x6f, 0x30],
         [0x34, 0x5d, 0xf9, 0xc0, 0x11, 0xa1, 0x5a, 0x60],
         [0x56, 0x99, 0x51, 0x2a, 0x6d, 0xd8, 0x20, 0xd3],
         [0x66, 0x8b, 0x90, 0x7d, 0x1a, 0xdd, 0x4f, 0xcc],
         [0x0c, 0xd8, 0xdb, 0x63, 0x90, 0x68, 0xf2, 0x9c],
         [0x3e, 0xe6, 0x73, 0xb4, 0x9c, 0x38, 0xfc, 0x8f],
         [0x1c, 0x7d, 0x29, 0x8d, 0xe5, 0x9d, 0x1f, 0xf2],
         [0x40, 0xe0, 0xcc, 0xa6, 0x46, 0x2f, 0xdc, 0xc0],
         [0x44, 0xf8, 0x45, 0x2b, 0xfe, 0xab, 0x92, 0xb9],
         [0x2e, 0x87, 0x20, 0xa3, 0x9b, 0x7b, 0xfe, 0x7f],
         [0x23, 0xc1, 0xe6, 0xda, 0x7f, 0x0e, 0x5a, 0x52],
         [0x8c, 0x9c, 0x34, 0x67, 0xb2, 0xae, 0x64, 0xf4],
         [0x79, 0x09, 0x5b, 0x70, 0x28, 0x59, 0xcd, 0x45],
         [0xa5, 0x13, 0x99, 0xca, 0xe3, 0x35, 0x3e, 0x3a],
         [0x35, 0x3b, 0xde, 0x4a, 0x4e, 0xc7, 0x1d, 0xa9],
         [0x0d, 0xd0, 0x6c, 0xef, 0x02, 0xed, 0x0b, 0xfb],
         [0xf4, 0xe1, 0xb1, 0x4a, 0xb4, 0x3c, 0xd9, 0x88],
         [0x63, 0xe6, 0xc5, 0x43, 0xd6, 0x11, 0x0f, 0x54],
         [0xbc, 0xd1, 0x21, 0x8c, 0x1f, 0xdd, 0x70, 0x23],
         [0x0d, 0xb6, 0xa7, 0x16, 0x6c, 0x7b, 0x15, 0x81],
         [0xbf, 0xf9, 0x8f, 0x7a, 0xe5, 0xb9, 0x54, 0x4d],
         [0x3e, 0x75, 0x2a, 0x1f, 0x78, 0x12, 0x9f, 0x75],
         [0x91, 0x6b, 0x18, 0xbf, 0xbe, 0xa3, 0xa1, 0xce],
         [0x06, 0x62, 0xa2, 0xad, 0xd3, 0x08, 0xf5, 0x2c],
         [0x57, 0x30, 0xc3, 0xa3, 0x2d, 0x1c, 0x10, 0xb6],
         [0xa1, 0x36, 0x3a, 0xae, 0x96, 0x74, 0xf4, 0xb3],
         [0x92, 0x83, 0x10, 0x7b, 0x54, 0x57, 0x6b, 0x62],
         [0x31, 0x15, 0xe4, 0x99, 0x32, 0x36, 0xd2, 0xc1],
         [0x44, 0xd9, 0x1a, 0x3f, 0x92, 0xc1, 0x7c, 0x66],
         [0x25, 0x88, 0x13, 0xc8, 0xfe, 0x4f, 0x70, 0x65],
         [0xa6, 0x49, 0x89, 0xc2, 0xd1, 0x80, 0xf2, 0x24],
         [0x6b, 0x87, 0xf8, 0xfa, 0xed, 0x1c, 0xca, 0xc2],
         [0x96, 0x21, 0x04, 0x9f, 0xfc, 0x4b, 0x16, 0xc2],
         [0x23, 0xd6, 0xb1, 0x68, 0x93, 0x9c, 0x6e, 0xa1],
         [0xfd, 0x14, 0x51, 0x8b, 0x9c, 0x16, 0xfb, 0x49],
         [0x46, 0x4c, 0x07, 0xdf, 0xf8, 0x43, 0x31, 0x9f],
         [0xb3, 0x86, 0xcc, 0x12, 0x24, 0xaf, 0xfd, 0xc6],
         [0x8f, 0x09, 0x52, 0x0a, 0xd1, 0x49, 0xaf, 0x7e],
         [0x9a, 0x2f, 0x29, 0x9d, 0x55, 0x13, 0xf3, 0x1c],
         [0x12, 0x1f, 0xf4, 0xa2, 0xdd, 0x30, 0x4a, 0xc4],
         [0xd0, 0x1e, 0xa7, 0x43, 0x89, 0xe9, 0xfa, 0x36],
         [0xe6, 0xbc, 0xf0, 0x73, 0x4c, 0xb3, 0x8f, 0x31],
         [0x80, 0xe9, 0xa7, 0x70, 0x36, 0xbf, 0x7a, 0xa2],
         [0x75, 0x6d, 0x3c, 0x24, 0xdb, 0xc0, 0xbc, 0xb4],
         [0x13, 0x15, 0xb7, 0xfd, 0x52, 0xd8, 0xf8, 0x23],
         [0x08, 0x8a, 0x7d, 0xa6, 0x4d, 0x5f, 0x03, 0x8f],
         [0x48, 0xf1, 0xe8, 0xb7, 0xe5, 0xd0, 0x9c, 0xd8],
         [0xee, 0x44, 0xa6, 0xf7, 0xbc, 0xe6, 0xf4, 0xf6],
         [0xf2, 0x37, 0x18, 0x0f, 0xd8, 0x9a, 0xc5, 0xae],
         [0xe0, 0x94, 0x66, 0x4b, 0x15, 0xf6, 0xb2, 0xc3],
         [0xa8, 0xb3, 0xbb, 0xb7, 0x62, 0x90, 0x19, 0x9d],
     ];

     let k0 = 0x_07_06_05_04_03_02_01_00;
     let k1 = 0x_0f_0e_0d_0c_0b_0a_09_08;
     let mut buf = Vec::new();
     let mut t = 0;
     let mut state_inc = SipHasher13::new_with_keys(k0, k1);

     while t < 64 {
         let vec = u8to64_le!(vecs[t], 0);
         let out = hash_with(SipHasher13::new_with_keys(k0, k1), &Bytes(&buf));
         assert_eq!(vec, out);

         let full = hash_with(SipHasher13::new_with_keys(k0, k1), &Bytes(&buf));
         let i = state_inc.finish();

         assert_eq!(full, i);
         assert_eq!(full, vec);

         buf.push(t as u8);
         Hasher::write(&mut state_inc, &[t as u8]);

         t += 1;
     }
 }

 #[test]
 #[allow(unused_must_use)]
 fn test_siphash_2_4() {
     let vecs: [[u8; 8]; 64] = [
         [0x31, 0x0e, 0x0e, 0xdd, 0x47, 0xdb, 0x6f, 0x72],
         [0xfd, 0x67, 0xdc, 0x93, 0xc5, 0x39, 0xf8, 0x74],
         [0x5a, 0x4f, 0xa9, 0xd9, 0x09, 0x80, 0x6c, 0x0d],
         [0x2d, 0x7e, 0xfb, 0xd7, 0x96, 0x66, 0x67, 0x85],
         [0xb7, 0x87, 0x71, 0x27, 0xe0, 0x94, 0x27, 0xcf],
         [0x8d, 0xa6, 0x99, 0xcd, 0x64, 0x55, 0x76, 0x18],
         [0xce, 0xe3, 0xfe, 0x58, 0x6e, 0x46, 0xc9, 0xcb],
         [0x37, 0xd1, 0x01, 0x8b, 0xf5, 0x00, 0x02, 0xab],
         [0x62, 0x24, 0x93, 0x9a, 0x79, 0xf5, 0xf5, 0x93],
         [0xb0, 0xe4, 0xa9, 0x0b, 0xdf, 0x82, 0x00, 0x9e],
         [0xf3, 0xb9, 0xdd, 0x94, 0xc5, 0xbb, 0x5d, 0x7a],
         [0xa7, 0xad, 0x6b, 0x22, 0x46, 0x2f, 0xb3, 0xf4],
         [0xfb, 0xe5, 0x0e, 0x86, 0xbc, 0x8f, 0x1e, 0x75],
         [0x90, 0x3d, 0x84, 0xc0, 0x27, 0x56, 0xea, 0x14],
         [0xee, 0xf2, 0x7a, 0x8e, 0x90, 0xca, 0x23, 0xf7],
         [0xe5, 0x45, 0xbe, 0x49, 0x61, 0xca, 0x29, 0xa1],
         [0xdb, 0x9b, 0xc2, 0x57, 0x7f, 0xcc, 0x2a, 0x3f],
         [0x94, 0x47, 0xbe, 0x2c, 0xf5, 0xe9, 0x9a, 0x69],
         [0x9c, 0xd3, 0x8d, 0x96, 0xf0, 0xb3, 0xc1, 0x4b],
         [0xbd, 0x61, 0x79, 0xa7, 0x1d, 0xc9, 0x6d, 0xbb],
         [0x98, 0xee, 0xa2, 0x1a, 0xf2, 0x5c, 0xd6, 0xbe],
         [0xc7, 0x67, 0x3b, 0x2e, 0xb0, 0xcb, 0xf2, 0xd0],
         [0x88, 0x3e, 0xa3, 0xe3, 0x95, 0x67, 0x53, 0x93],
         [0xc8, 0xce, 0x5c, 0xcd, 0x8c, 0x03, 0x0c, 0xa8],
         [0x94, 0xaf, 0x49, 0xf6, 0xc6, 0x50, 0xad, 0xb8],
         [0xea, 0xb8, 0x85, 0x8a, 0xde, 0x92, 0xe1, 0xbc],
         [0xf3, 0x15, 0xbb, 0x5b, 0xb8, 0x35, 0xd8, 0x17],
         [0xad, 0xcf, 0x6b, 0x07, 0x63, 0x61, 0x2e, 0x2f],
         [0xa5, 0xc9, 0x1d, 0xa7, 0xac, 0xaa, 0x4d, 0xde],
         [0x71, 0x65, 0x95, 0x87, 0x66, 0x50, 0xa2, 0xa6],
         [0x28, 0xef, 0x49, 0x5c, 0x53, 0xa3, 0x87, 0xad],
         [0x42, 0xc3, 0x41, 0xd8, 0xfa, 0x92, 0xd8, 0x32],
         [0xce, 0x7c, 0xf2, 0x72, 0x2f, 0x51, 0x27, 0x71],
         [0xe3, 0x78, 0x59, 0xf9, 0x46, 0x23, 0xf3, 0xa7],
         [0x38, 0x12, 0x05, 0xbb, 0x1a, 0xb0, 0xe0, 0x12],
         [0xae, 0x97, 0xa1, 0x0f, 0xd4, 0x34, 0xe0, 0x15],
         [0xb4, 0xa3, 0x15, 0x08, 0xbe, 0xff, 0x4d, 0x31],
         [0x81, 0x39, 0x62, 0x29, 0xf0, 0x90, 0x79, 0x02],
         [0x4d, 0x0c, 0xf4, 0x9e, 0xe5, 0xd4, 0xdc, 0xca],
         [0x5c, 0x73, 0x33, 0x6a, 0x76, 0xd8, 0xbf, 0x9a],
         [0xd0, 0xa7, 0x04, 0x53, 0x6b, 0xa9, 0x3e, 0x0e],
         [0x92, 0x59, 0x58, 0xfc, 0xd6, 0x42, 0x0c, 0xad],
         [0xa9, 0x15, 0xc2, 0x9b, 0xc8, 0x06, 0x73, 0x18],
         [0x95, 0x2b, 0x79, 0xf3, 0xbc, 0x0a, 0xa6, 0xd4],
         [0xf2, 0x1d, 0xf2, 0xe4, 0x1d, 0x45, 0x35, 0xf9],
         [0x87, 0x57, 0x75, 0x19, 0x04, 0x8f, 0x53, 0xa9],
         [0x10, 0xa5, 0x6c, 0xf5, 0xdf, 0xcd, 0x9a, 0xdb],
         [0xeb, 0x75, 0x09, 0x5c, 0xcd, 0x98, 0x6c, 0xd0],
         [0x51, 0xa9, 0xcb, 0x9e, 0xcb, 0xa3, 0x12, 0xe6],
         [0x96, 0xaf, 0xad, 0xfc, 0x2c, 0xe6, 0x66, 0xc7],
         [0x72, 0xfe, 0x52, 0x97, 0x5a, 0x43, 0x64, 0xee],
         [0x5a, 0x16, 0x45, 0xb2, 0x76, 0xd5, 0x92, 0xa1],
         [0xb2, 0x74, 0xcb, 0x8e, 0xbf, 0x87, 0x87, 0x0a],
         [0x6f, 0x9b, 0xb4, 0x20, 0x3d, 0xe7, 0xb3, 0x81],
         [0xea, 0xec, 0xb2, 0xa3, 0x0b, 0x22, 0xa8, 0x7f],
         [0x99, 0x24, 0xa4, 0x3c, 0xc1, 0x31, 0x57, 0x24],
         [0xbd, 0x83, 0x8d, 0x3a, 0xaf, 0xbf, 0x8d, 0xb7],
         [0x0b, 0x1a, 0x2a, 0x32, 0x65, 0xd5, 0x1a, 0xea],
         [0x13, 0x50, 0x79, 0xa3, 0x23, 0x1c, 0xe6, 0x60],
         [0x93, 0x2b, 0x28, 0x46, 0xe4, 0xd7, 0x06, 0x66],
         [0xe1, 0x91, 0x5f, 0x5c, 0xb1, 0xec, 0xa4, 0x6c],
         [0xf3, 0x25, 0x96, 0x5c, 0xa1, 0x6d, 0x62, 0x9f],
         [0x57, 0x5f, 0xf2, 0x8e, 0x60, 0x38, 0x1b, 0xe5],
         [0x72, 0x45, 0x06, 0xeb, 0x4c, 0x32, 0x8a, 0x95],
     ];

     let k0 = 0x_07_06_05_04_03_02_01_00;
     let k1 = 0x_0f_0e_0d_0c_0b_0a_09_08;
     let mut buf = Vec::new();
     let mut t = 0;
     let mut state_inc = SipHasher24::new_with_keys(k0, k1);

     while t < 64 {
         let vec = u8to64_le!(vecs[t], 0);
         let out = hash_with(SipHasher24::new_with_keys(k0, k1), &Bytes(&buf));
         assert_eq!(vec, out);

         let full = hash_with(SipHasher24::new_with_keys(k0, k1), &Bytes(&buf));
         let i = state_inc.finish();

         assert_eq!(full, i);
         assert_eq!(full, vec);

         buf.push(t as u8);
         Hasher::write(&mut state_inc, &[t as u8]);

         t += 1;
     }
 }
 #[test]
 fn test_hash_idempotent() {
     let val64 = 0xdead_beef_dead_beef_u64;
     assert_eq!(hash(&val64), hash(&val64));
     let val32 = 0xdeadbeef_u32;
     assert_eq!(hash(&val32), hash(&val32));
 }

 #[test]
 fn test_hash_no_bytes_dropped_64() {
     let val = 0xdead_beef_dead_beef_u64;

     assert_ne!(hash(&val), hash(&zero_byte(val, 0)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 1)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 2)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 3)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 4)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 5)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 6)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 7)));

     fn zero_byte(val: u64, byte: usize) -> u64 {
         assert!(byte < 8);
         val & !(0xff << (byte * 8))
     }
 }

 #[test]
 fn test_hash_no_bytes_dropped_32() {
     let val = 0xdeadbeef_u32;

     assert_ne!(hash(&val), hash(&zero_byte(val, 0)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 1)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 2)));
     assert_ne!(hash(&val), hash(&zero_byte(val, 3)));

     fn zero_byte(val: u32, byte: usize) -> u32 {
         assert!(byte < 4);
         val & !(0xff << (byte * 8))
     }
 }

 #[test]
 fn test_hash_no_concat_alias() {
     let s = ("aa", "bb");
     let t = ("aabb", "");
     let u = ("a", "abb");

     assert!(s != t && t != u);
     assert!(hash(&s) != hash(&t) && hash(&s) != hash(&u));

     let u = [1, 0, 0, 0];
     let v = (&u[..1], &u[1..3], &u[3..]);
     let w = (&u[..], &u[4..4], &u[4..4]);

     assert_ne!(v, w);
     assert_ne!(hash(&v), hash(&w));
 }

 #[test]
 fn test_hash_simple() {
     let array: &[u8] = &[1, 2, 3];
     let key: &[u8; 16] = &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
     let hasher = SipHasher13::new_with_key(key);
     let h = hasher.hash(array);
     _ = h;
 }

 #[test]
 fn test_hash_incremental() {
     let array1: &[u8] = &[1, 2, 3];
     let array2: &[u8] = &[4, 5, 6];
     let key: &[u8; 16] = &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
     let mut hasher = SipHasher13::new_with_key(key);
     hasher.write(array1);
     hasher.write(array2);
     let h = hasher.finish();
     _ = h;
 }

 #[test]
 #[cfg(all(feature = "serde", feature = "serde_json"))]
 fn test_hash_serde() {
     let val64 = 0xdead_beef_dead_beef_u64;
     let hash = hash(&val64);
     let serialized = serde_json::to_string(&hash).unwrap();
     let deserialized: u64 = serde_json::from_str(&serialized).unwrap();
     assert_eq!(hash, deserialized);
 }
	// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
	// file at the top-level directory of this distribution and at
	// http://rust-lang.org/COPYRIGHT.
	//
	// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
	// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
	// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
	// option. This file may not be copied, modified, or distributed
	// except according to those terms.

	use std::hash::{Hash, Hasher};

	use super::sip::{SipHasher, SipHasher13, SipHasher24};

	// Hash just the bytes of the slice, without length prefix
	struct Bytes<'a>(&'a [u8]);

	impl<'a> Hash for Bytes<'a> {
	#[allow(unused_must_use)]
	fn hash<H: Hasher>(&self, state: &mut H) {
	let Bytes(v) = *self;
	state.write(v);
	}
	}

	macro_rules! u8to64_le {
	($buf:expr, $i:expr) => {
	$buf[0 + $i] as u64
	\| ($buf[1 + $i] as u64) << 8
	\| ($buf[2 + $i] as u64) << 16
	\| ($buf[3 + $i] as u64) << 24
	\| ($buf[4 + $i] as u64) << 32
	\| ($buf[5 + $i] as u64) << 40
	\| ($buf[6 + $i] as u64) << 48
	\| ($buf[7 + $i] as u64) << 56
	};
	($buf:expr, $i:expr, $len:expr) => {{
	let mut t = 0;
	let mut out = 0;
	while t < $len {
	out \|= ($buf[t + $i] as u64) << t * 8;
	t += 1;
	}
	out
	}};
	}

	fn hash_with<H: Hasher, T: Hash>(mut st: H, x: &T) -> u64 {
	x.hash(&mut st);
	st.finish()
	}

	fn hash<T: Hash>(x: &T) -> u64 {
	hash_with(SipHasher::new(), x)
	}

	#[test]
	#[allow(unused_must_use)]
	fn test_siphash_1_3() {
	let vecs: [[u8; 8]; 64] = [
	[0xdc, 0xc4, 0x0f, 0x05, 0x58, 0x01, 0xac, 0xab],
	[0x93, 0xca, 0x57, 0x7d, 0xf3, 0x9b, 0xf4, 0xc9],
	[0x4d, 0xd4, 0xc7, 0x4d, 0x02, 0x9b, 0xcb, 0x82],
	[0xfb, 0xf7, 0xdd, 0xe7, 0xb8, 0x0a, 0xf8, 0x8b],
	[0x28, 0x83, 0xd3, 0x88, 0x60, 0x57, 0x75, 0xcf],
	[0x67, 0x3b, 0x53, 0x49, 0x2f, 0xd5, 0xf9, 0xde],
	[0xa7, 0x22, 0x9f, 0xc5, 0x50, 0x2b, 0x0d, 0xc5],
	[0x40, 0x11, 0xb1, 0x9b, 0x98, 0x7d, 0x92, 0xd3],
	[0x8e, 0x9a, 0x29, 0x8d, 0x11, 0x95, 0x90, 0x36],
	[0xe4, 0x3d, 0x06, 0x6c, 0xb3, 0x8e, 0xa4, 0x25],
	[0x7f, 0x09, 0xff, 0x92, 0xee, 0x85, 0xde, 0x79],
	[0x52, 0xc3, 0x4d, 0xf9, 0xc1, 0x18, 0xc1, 0x70],
	[0xa2, 0xd9, 0xb4, 0x57, 0xb1, 0x84, 0xa3, 0x78],
	[0xa7, 0xff, 0x29, 0x12, 0x0c, 0x76, 0x6f, 0x30],
	[0x34, 0x5d, 0xf9, 0xc0, 0x11, 0xa1, 0x5a, 0x60],
	[0x56, 0x99, 0x51, 0x2a, 0x6d, 0xd8, 0x20, 0xd3],
	[0x66, 0x8b, 0x90, 0x7d, 0x1a, 0xdd, 0x4f, 0xcc],
	[0x0c, 0xd8, 0xdb, 0x63, 0x90, 0x68, 0xf2, 0x9c],
	[0x3e, 0xe6, 0x73, 0xb4, 0x9c, 0x38, 0xfc, 0x8f],
	[0x1c, 0x7d, 0x29, 0x8d, 0xe5, 0x9d, 0x1f, 0xf2],
	[0x40, 0xe0, 0xcc, 0xa6, 0x46, 0x2f, 0xdc, 0xc0],
	[0x44, 0xf8, 0x45, 0x2b, 0xfe, 0xab, 0x92, 0xb9],
	[0x2e, 0x87, 0x20, 0xa3, 0x9b, 0x7b, 0xfe, 0x7f],
	[0x23, 0xc1, 0xe6, 0xda, 0x7f, 0x0e, 0x5a, 0x52],
	[0x8c, 0x9c, 0x34, 0x67, 0xb2, 0xae, 0x64, 0xf4],
	[0x79, 0x09, 0x5b, 0x70, 0x28, 0x59, 0xcd, 0x45],
	[0xa5, 0x13, 0x99, 0xca, 0xe3, 0x35, 0x3e, 0x3a],
	[0x35, 0x3b, 0xde, 0x4a, 0x4e, 0xc7, 0x1d, 0xa9],
	[0x0d, 0xd0, 0x6c, 0xef, 0x02, 0xed, 0x0b, 0xfb],
	[0xf4, 0xe1, 0xb1, 0x4a, 0xb4, 0x3c, 0xd9, 0x88],
	[0x63, 0xe6, 0xc5, 0x43, 0xd6, 0x11, 0x0f, 0x54],
	[0xbc, 0xd1, 0x21, 0x8c, 0x1f, 0xdd, 0x70, 0x23],
	[0x0d, 0xb6, 0xa7, 0x16, 0x6c, 0x7b, 0x15, 0x81],
	[0xbf, 0xf9, 0x8f, 0x7a, 0xe5, 0xb9, 0x54, 0x4d],
	[0x3e, 0x75, 0x2a, 0x1f, 0x78, 0x12, 0x9f, 0x75],
	[0x91, 0x6b, 0x18, 0xbf, 0xbe, 0xa3, 0xa1, 0xce],
	[0x06, 0x62, 0xa2, 0xad, 0xd3, 0x08, 0xf5, 0x2c],
	[0x57, 0x30, 0xc3, 0xa3, 0x2d, 0x1c, 0x10, 0xb6],
	[0xa1, 0x36, 0x3a, 0xae, 0x96, 0x74, 0xf4, 0xb3],
	[0x92, 0x83, 0x10, 0x7b, 0x54, 0x57, 0x6b, 0x62],
	[0x31, 0x15, 0xe4, 0x99, 0x32, 0x36, 0xd2, 0xc1],
	[0x44, 0xd9, 0x1a, 0x3f, 0x92, 0xc1, 0x7c, 0x66],
	[0x25, 0x88, 0x13, 0xc8, 0xfe, 0x4f, 0x70, 0x65],
	[0xa6, 0x49, 0x89, 0xc2, 0xd1, 0x80, 0xf2, 0x24],
	[0x6b, 0x87, 0xf8, 0xfa, 0xed, 0x1c, 0xca, 0xc2],
	[0x96, 0x21, 0x04, 0x9f, 0xfc, 0x4b, 0x16, 0xc2],
	[0x23, 0xd6, 0xb1, 0x68, 0x93, 0x9c, 0x6e, 0xa1],
	[0xfd, 0x14, 0x51, 0x8b, 0x9c, 0x16, 0xfb, 0x49],
	[0x46, 0x4c, 0x07, 0xdf, 0xf8, 0x43, 0x31, 0x9f],
	[0xb3, 0x86, 0xcc, 0x12, 0x24, 0xaf, 0xfd, 0xc6],
	[0x8f, 0x09, 0x52, 0x0a, 0xd1, 0x49, 0xaf, 0x7e],
	[0x9a, 0x2f, 0x29, 0x9d, 0x55, 0x13, 0xf3, 0x1c],
	[0x12, 0x1f, 0xf4, 0xa2, 0xdd, 0x30, 0x4a, 0xc4],
	[0xd0, 0x1e, 0xa7, 0x43, 0x89, 0xe9, 0xfa, 0x36],
	[0xe6, 0xbc, 0xf0, 0x73, 0x4c, 0xb3, 0x8f, 0x31],
	[0x80, 0xe9, 0xa7, 0x70, 0x36, 0xbf, 0x7a, 0xa2],
	[0x75, 0x6d, 0x3c, 0x24, 0xdb, 0xc0, 0xbc, 0xb4],
	[0x13, 0x15, 0xb7, 0xfd, 0x52, 0xd8, 0xf8, 0x23],
	[0x08, 0x8a, 0x7d, 0xa6, 0x4d, 0x5f, 0x03, 0x8f],
	[0x48, 0xf1, 0xe8, 0xb7, 0xe5, 0xd0, 0x9c, 0xd8],
	[0xee, 0x44, 0xa6, 0xf7, 0xbc, 0xe6, 0xf4, 0xf6],
	[0xf2, 0x37, 0x18, 0x0f, 0xd8, 0x9a, 0xc5, 0xae],
	[0xe0, 0x94, 0x66, 0x4b, 0x15, 0xf6, 0xb2, 0xc3],
	[0xa8, 0xb3, 0xbb, 0xb7, 0x62, 0x90, 0x19, 0x9d],
	];

	let k0 = 0x_07_06_05_04_03_02_01_00;
	let k1 = 0x_0f_0e_0d_0c_0b_0a_09_08;
	let mut buf = Vec::new();
	let mut t = 0;
	let mut state_inc = SipHasher13::new_with_keys(k0, k1);

	while t < 64 {
	let vec = u8to64_le!(vecs[t], 0);
	let out = hash_with(SipHasher13::new_with_keys(k0, k1), &Bytes(&buf));
	assert_eq!(vec, out);

	let full = hash_with(SipHasher13::new_with_keys(k0, k1), &Bytes(&buf));
	let i = state_inc.finish();

	assert_eq!(full, i);
	assert_eq!(full, vec);

	buf.push(t as u8);
	Hasher::write(&mut state_inc, &[t as u8]);

	t += 1;
	}
	}

	#[test]
	#[allow(unused_must_use)]
	fn test_siphash_2_4() {
	let vecs: [[u8; 8]; 64] = [
	[0x31, 0x0e, 0x0e, 0xdd, 0x47, 0xdb, 0x6f, 0x72],
	[0xfd, 0x67, 0xdc, 0x93, 0xc5, 0x39, 0xf8, 0x74],
	[0x5a, 0x4f, 0xa9, 0xd9, 0x09, 0x80, 0x6c, 0x0d],
	[0x2d, 0x7e, 0xfb, 0xd7, 0x96, 0x66, 0x67, 0x85],
	[0xb7, 0x87, 0x71, 0x27, 0xe0, 0x94, 0x27, 0xcf],
	[0x8d, 0xa6, 0x99, 0xcd, 0x64, 0x55, 0x76, 0x18],
	[0xce, 0xe3, 0xfe, 0x58, 0x6e, 0x46, 0xc9, 0xcb],
	[0x37, 0xd1, 0x01, 0x8b, 0xf5, 0x00, 0x02, 0xab],
	[0x62, 0x24, 0x93, 0x9a, 0x79, 0xf5, 0xf5, 0x93],
	[0xb0, 0xe4, 0xa9, 0x0b, 0xdf, 0x82, 0x00, 0x9e],
	[0xf3, 0xb9, 0xdd, 0x94, 0xc5, 0xbb, 0x5d, 0x7a],
	[0xa7, 0xad, 0x6b, 0x22, 0x46, 0x2f, 0xb3, 0xf4],
	[0xfb, 0xe5, 0x0e, 0x86, 0xbc, 0x8f, 0x1e, 0x75],
	[0x90, 0x3d, 0x84, 0xc0, 0x27, 0x56, 0xea, 0x14],
	[0xee, 0xf2, 0x7a, 0x8e, 0x90, 0xca, 0x23, 0xf7],
	[0xe5, 0x45, 0xbe, 0x49, 0x61, 0xca, 0x29, 0xa1],
	[0xdb, 0x9b, 0xc2, 0x57, 0x7f, 0xcc, 0x2a, 0x3f],
	[0x94, 0x47, 0xbe, 0x2c, 0xf5, 0xe9, 0x9a, 0x69],
	[0x9c, 0xd3, 0x8d, 0x96, 0xf0, 0xb3, 0xc1, 0x4b],
	[0xbd, 0x61, 0x79, 0xa7, 0x1d, 0xc9, 0x6d, 0xbb],
	[0x98, 0xee, 0xa2, 0x1a, 0xf2, 0x5c, 0xd6, 0xbe],
	[0xc7, 0x67, 0x3b, 0x2e, 0xb0, 0xcb, 0xf2, 0xd0],
	[0x88, 0x3e, 0xa3, 0xe3, 0x95, 0x67, 0x53, 0x93],
	[0xc8, 0xce, 0x5c, 0xcd, 0x8c, 0x03, 0x0c, 0xa8],
	[0x94, 0xaf, 0x49, 0xf6, 0xc6, 0x50, 0xad, 0xb8],
	[0xea, 0xb8, 0x85, 0x8a, 0xde, 0x92, 0xe1, 0xbc],
	[0xf3, 0x15, 0xbb, 0x5b, 0xb8, 0x35, 0xd8, 0x17],
	[0xad, 0xcf, 0x6b, 0x07, 0x63, 0x61, 0x2e, 0x2f],
	[0xa5, 0xc9, 0x1d, 0xa7, 0xac, 0xaa, 0x4d, 0xde],
	[0x71, 0x65, 0x95, 0x87, 0x66, 0x50, 0xa2, 0xa6],
	[0x28, 0xef, 0x49, 0x5c, 0x53, 0xa3, 0x87, 0xad],
	[0x42, 0xc3, 0x41, 0xd8, 0xfa, 0x92, 0xd8, 0x32],
	[0xce, 0x7c, 0xf2, 0x72, 0x2f, 0x51, 0x27, 0x71],
	[0xe3, 0x78, 0x59, 0xf9, 0x46, 0x23, 0xf3, 0xa7],
	[0x38, 0x12, 0x05, 0xbb, 0x1a, 0xb0, 0xe0, 0x12],
	[0xae, 0x97, 0xa1, 0x0f, 0xd4, 0x34, 0xe0, 0x15],
	[0xb4, 0xa3, 0x15, 0x08, 0xbe, 0xff, 0x4d, 0x31],
	[0x81, 0x39, 0x62, 0x29, 0xf0, 0x90, 0x79, 0x02],
	[0x4d, 0x0c, 0xf4, 0x9e, 0xe5, 0xd4, 0xdc, 0xca],
	[0x5c, 0x73, 0x33, 0x6a, 0x76, 0xd8, 0xbf, 0x9a],
	[0xd0, 0xa7, 0x04, 0x53, 0x6b, 0xa9, 0x3e, 0x0e],
	[0x92, 0x59, 0x58, 0xfc, 0xd6, 0x42, 0x0c, 0xad],
	[0xa9, 0x15, 0xc2, 0x9b, 0xc8, 0x06, 0x73, 0x18],
	[0x95, 0x2b, 0x79, 0xf3, 0xbc, 0x0a, 0xa6, 0xd4],
	[0xf2, 0x1d, 0xf2, 0xe4, 0x1d, 0x45, 0x35, 0xf9],
	[0x87, 0x57, 0x75, 0x19, 0x04, 0x8f, 0x53, 0xa9],
	[0x10, 0xa5, 0x6c, 0xf5, 0xdf, 0xcd, 0x9a, 0xdb],
	[0xeb, 0x75, 0x09, 0x5c, 0xcd, 0x98, 0x6c, 0xd0],
	[0x51, 0xa9, 0xcb, 0x9e, 0xcb, 0xa3, 0x12, 0xe6],
	[0x96, 0xaf, 0xad, 0xfc, 0x2c, 0xe6, 0x66, 0xc7],
	[0x72, 0xfe, 0x52, 0x97, 0x5a, 0x43, 0x64, 0xee],
	[0x5a, 0x16, 0x45, 0xb2, 0x76, 0xd5, 0x92, 0xa1],
	[0xb2, 0x74, 0xcb, 0x8e, 0xbf, 0x87, 0x87, 0x0a],
	[0x6f, 0x9b, 0xb4, 0x20, 0x3d, 0xe7, 0xb3, 0x81],
	[0xea, 0xec, 0xb2, 0xa3, 0x0b, 0x22, 0xa8, 0x7f],
	[0x99, 0x24, 0xa4, 0x3c, 0xc1, 0x31, 0x57, 0x24],
	[0xbd, 0x83, 0x8d, 0x3a, 0xaf, 0xbf, 0x8d, 0xb7],
	[0x0b, 0x1a, 0x2a, 0x32, 0x65, 0xd5, 0x1a, 0xea],
	[0x13, 0x50, 0x79, 0xa3, 0x23, 0x1c, 0xe6, 0x60],
	[0x93, 0x2b, 0x28, 0x46, 0xe4, 0xd7, 0x06, 0x66],
	[0xe1, 0x91, 0x5f, 0x5c, 0xb1, 0xec, 0xa4, 0x6c],
	[0xf3, 0x25, 0x96, 0x5c, 0xa1, 0x6d, 0x62, 0x9f],
	[0x57, 0x5f, 0xf2, 0x8e, 0x60, 0x38, 0x1b, 0xe5],
	[0x72, 0x45, 0x06, 0xeb, 0x4c, 0x32, 0x8a, 0x95],
	];

	let k0 = 0x_07_06_05_04_03_02_01_00;
	let k1 = 0x_0f_0e_0d_0c_0b_0a_09_08;
	let mut buf = Vec::new();
	let mut t = 0;
	let mut state_inc = SipHasher24::new_with_keys(k0, k1);

	while t < 64 {
	let vec = u8to64_le!(vecs[t], 0);
	let out = hash_with(SipHasher24::new_with_keys(k0, k1), &Bytes(&buf));
	assert_eq!(vec, out);

	let full = hash_with(SipHasher24::new_with_keys(k0, k1), &Bytes(&buf));
	let i = state_inc.finish();

	assert_eq!(full, i);
	assert_eq!(full, vec);

	buf.push(t as u8);
	Hasher::write(&mut state_inc, &[t as u8]);

	t += 1;
	}
	}
	#[test]
	fn test_hash_idempotent() {
	let val64 = 0xdead_beef_dead_beef_u64;
	assert_eq!(hash(&val64), hash(&val64));
	let val32 = 0xdeadbeef_u32;
	assert_eq!(hash(&val32), hash(&val32));
	}

	#[test]
	fn test_hash_no_bytes_dropped_64() {
	let val = 0xdead_beef_dead_beef_u64;

	assert_ne!(hash(&val), hash(&zero_byte(val, 0)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 1)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 2)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 3)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 4)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 5)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 6)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 7)));

	fn zero_byte(val: u64, byte: usize) -> u64 {
	assert!(byte < 8);
	val & !(0xff << (byte * 8))
	}
	}

	#[test]
	fn test_hash_no_bytes_dropped_32() {
	let val = 0xdeadbeef_u32;

	assert_ne!(hash(&val), hash(&zero_byte(val, 0)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 1)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 2)));
	assert_ne!(hash(&val), hash(&zero_byte(val, 3)));

	fn zero_byte(val: u32, byte: usize) -> u32 {
	assert!(byte < 4);
	val & !(0xff << (byte * 8))
	}
	}

	#[test]
	fn test_hash_no_concat_alias() {
	let s = ("aa", "bb");
	let t = ("aabb", "");
	let u = ("a", "abb");

	assert!(s != t && t != u);
	assert!(hash(&s) != hash(&t) && hash(&s) != hash(&u));

	let u = [1, 0, 0, 0];
	let v = (&u[..1], &u[1..3], &u[3..]);
	let w = (&u[..], &u[4..4], &u[4..4]);

	assert_ne!(v, w);
	assert_ne!(hash(&v), hash(&w));
	}

	#[test]
	fn test_hash_simple() {
	let array: &[u8] = &[1, 2, 3];
	let key: &[u8; 16] = &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
	let hasher = SipHasher13::new_with_key(key);
	let h = hasher.hash(array);
	_ = h;
	}

	#[test]
	fn test_hash_incremental() {
	let array1: &[u8] = &[1, 2, 3];
	let array2: &[u8] = &[4, 5, 6];
	let key: &[u8; 16] = &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
	let mut hasher = SipHasher13::new_with_key(key);
	hasher.write(array1);
	hasher.write(array2);
	let h = hasher.finish();
	_ = h;
	}

	#[test]
	#[cfg(all(feature = "serde", feature = "serde_json"))]
	fn test_hash_serde() {
	let val64 = 0xdead_beef_dead_beef_u64;
	let hash = hash(&val64);
	let serialized = serde_json::to_string(&hash).unwrap();
	let deserialized: u64 = serde_json::from_str(&serialized).unwrap();
	assert_eq!(hash, deserialized);
	}