package com.infendro.hash.keccak.shake

import kotlin.test.Test
import kotlin.test.assertContentEquals
import kotlin.test.assertEquals

class SHAKE128_Test {
    val function = SHAKE128(32)

    @Test
    fun `bytes and block`() {
        assertEquals(32, function.bytes)
        assertEquals(256, function.bits)
        assertEquals(168, function.block)
    }

    @Test
    fun `empty bytearray`() {
        val expected = byteArrayOf(
            +0x7f, -0x64, +0x2b, -0x5c, -0x18, -0x71, -0x7e, +0x7d,
            +0x61, +0x60, +0x45, +0x50, +0x76, +0x05, -0x7b, +0x3e,
            -0x29, +0x3b, -0x80, -0x6d, -0x0a, -0x11, -0x44, -0x78,
            -0x15, +0x1a, +0x6e, -0x54, -0x06, +0x66, -0x11, +0x26,
        )
        val actual = function.hash(ByteArray(0))
        assertContentEquals(expected, actual)
    }
}