package halfsiphash

import "testing"

// Test vectors from the reference implementation.
// Key: 00 01 02 03 04 05 06 07
// Input: sequence 00, 00 01, 00 01 02, ...
var vectors32 = []uint32{
	0x5b9f35a9,
	0xb85a4727,
	0x03a662fa,
	0x04e7fe8a,
	0x89466e2a,
	0x69b6fac5,
	0x23fc6358,
	0xc563cf8b,
}

func TestSum32(t *testing.T) {
	key := [8]byte{0, 1, 2, 3, 4, 5, 6, 7}
	for i, want := range vectors32 {
		data := make([]byte, i)
		for j := range data {
			data[j] = byte(j)
		}
		got := Sum32(data, key)
		if got != want {
			t.Errorf("Sum32(len=%d) = %08x, want %08x", i, got, want)
		}
	}
}