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ww/lib/hash/siphash/siphash_test.ww

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package siphash_test;
import hash.siphash;
fn putstr(s: str, into: []u8, off: i32) i32 = {
let i: i32 = 0;
for (i < s.len) {
into[off + i] = s[i];
i += 1;
};
return off + s.len;
};
@test fn refkey_msgN() void = {
// Reference SipHash-2-4 vectors: key = 0x00..0x0F, message =
// 0x00..0x{n-1}. The reference test suite ships 64 vectors;
// we verify a representative sample (n in {0,1,4,7,8,9,15,16,
// 23,32}) which exercises both the partial-block and whole-
// block paths.
let key: [16]u8;
let i: i32 = 0;
for (i < 16) { key[i] = i: u8; i += 1; };
let msg: [40]u8;
let j: i32 = 0;
for (j < 40) { msg[j] = j: u8; j += 1; };
assert(!(siphash.sum24(key[0:16], msg[0:0]) != 0x726FDB47DD0E0E31u64));
assert(!(siphash.sum24(key[0:16], msg[0:1]) != 0x74F839C593DC67FDu64));
assert(!(siphash.sum24(key[0:16], msg[0:4]) != 0xCF2794E0277187B7u64));
assert(!(siphash.sum24(key[0:16], msg[0:7]) != 0xAB0200F58B01D137u64));
assert(!(siphash.sum24(key[0:16], msg[0:8]) != 0x93F5F5799A932462u64));
assert(!(siphash.sum24(key[0:16], msg[0:9]) != 0x9E0082DF0BA9E4B0u64));
assert(!(siphash.sum24(key[0:16], msg[0:15]) != 0xA129CA6149BE45E5u64));
assert(!(siphash.sum24(key[0:16], msg[0:16]) != 0x3F2ACC7F57C29BDBu64));
assert(!(siphash.sum24(key[0:16], msg[0:23]) != 0xA80C038CCD5CCEC8u64));
assert(!(siphash.sum24(key[0:16], msg[0:32]) != 0x7127512F72F27CCEu64));
};
@test fn ascii() void = {
let key: [16]u8;
let kstr: str = "sixteen-bytkey!?";
let i: i32 = 0;
for (i < 16) { key[i] = kstr[i]; i += 1; };
let buf: [128]u8;
let n: i32 = 0;
n = putstr("a", buf[0:128], 0);
assert(!(siphash.sum24(key[0:16], buf[0:n]) != 0xFA7E197B2F4427D4u64));
n = putstr("abc", buf[0:128], 0);
assert(!(siphash.sum24(key[0:16], buf[0:n]) != 0x133D3A92BB9CA86Bu64));
n = putstr("foobar", buf[0:128], 0);
assert(!(siphash.sum24(key[0:16], buf[0:n]) != 0x84D2B5169DB6D3BFu64));
n = putstr("hello world", buf[0:128], 0);
assert(!(siphash.sum24(key[0:16], buf[0:n]) != 0xB0417FA523CF7B36u64));
n = putstr("The quick brown fox jumps over the lazy dog", buf[0:128], 0);
assert(!(siphash.sum24(key[0:16], buf[0:n]) != 0xA4CBBF0BDB704790u64));
};
@test fn empty() void = {
let key: [16]u8;
let kstr: str = "sixteen-bytkey!?";
let i: i32 = 0;
for (i < 16) { key[i] = kstr[i]; i += 1; };
let empty: [1]u8;
assert(!(siphash.sum24(key[0:16], empty[0:0]) != 0x2A51AE0682925836u64));
};