package com.infendro.hash.keccak.shake

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

class `SHAKE256 Test` {
    val function = SHAKE256(64)

    @Test
    fun `bytes and block`() {
        assertEquals(64, function.bytes)
        assertEquals(512, function.bits)
        assertEquals(136, function.block)
    }

    @Test
    fun `empty bytearray`() {
        val expected = ubyteArrayOf(
            0x46U, 0xb9U, 0xddU, 0x2bU,
            0x0bU, 0xa8U, 0x8dU, 0x13U,
            0x23U, 0x3bU, 0x3fU, 0xebU,
            0x74U, 0x3eU, 0xebU, 0x24U,
            0x3fU, 0xcdU, 0x52U, 0xeaU,
            0x62U, 0xb8U, 0x1bU, 0x82U,
            0xb5U, 0x0cU, 0x27U, 0x64U,
            0x6eU, 0xd5U, 0x76U, 0x2fU,
            0xd7U, 0x5dU, 0xc4U, 0xddU,
            0xd8U, 0xc0U, 0xf2U, 0x00U,
            0xcbU, 0x05U, 0x01U, 0x9dU,
            0x67U, 0xb5U, 0x92U, 0xf6U,
            0xfcU, 0x82U, 0x1cU, 0x49U,
            0x47U, 0x9aU, 0xb4U, 0x86U,
            0x40U, 0x29U, 0x2eU, 0xacU,
            0xb3U, 0xb7U, 0xc4U, 0xbeU,
        ).asByteArray()
        val actual = function.hash(
            ByteArray(0),
        )
        assertContentEquals(expected, actual)
    }
}