package com.infendro.hash.blake

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

class `Blake-512_Test` {
    val function = `Blake-512`

    @Test
    fun `bytes and block`() {
        assertEquals(64, function.bytes)
        assertEquals(512, function.bits)
        assertEquals(128, function.block)
    }

    @Test
    fun `empty bytearray`() {
        val expected = byteArrayOf(
            -0x58, -0x31, -0x45, -0x29, +0x37, +0x26, +0x06, +0x2d,
            -0x10, -0x3a, -0x7a, +0x4d, -0x26, +0x65, -0x22, -0x02,
            +0x58, -0x11, +0x0c, -0x3b, +0x2a, +0x56, +0x25, +0x09,
            +0x0f, -0x5f, +0x76, +0x01, -0x1f, -0x12, -0x33, +0x1b,
            +0x62, -0x72, -0x6c, -0x0d, -0x6a, -0x52, +0x40, +0x2a,
            +0x00, -0x54, -0x37, -0x16, -0x49, +0x7b, +0x4d, +0x4c,
            +0x2e, -0x7b, +0x2a, -0x56, -0x5e, +0x5a, +0x63, +0x6d,
            -0x80, -0x51, +0x3f, -0x39, -0x6f, +0x3e, -0x0b, -0x48,
        )
        val actual = function.hash(ByteArray(0))
        assertContentEquals(expected, actual)
    }

    @Test
    fun `one block`() {
        val expected = byteArrayOf(
            -0x69, -0x6a, +0x15, -0x79, -0x0a, -0x27, +0x70, -0x06,
            -0x46, +0x6d, +0x24, +0x78, +0x04, +0x5d, -0x1a, -0x2f,
            -0x06, -0x43, +0x09, -0x4a, +0x1a, -0x1b, +0x09, +0x32,
            +0x05, +0x4d, +0x52, -0x44, +0x29, -0x2d, +0x1b, -0x1c,
            -0x01, -0x6f, +0x02, -0x47, -0x0a, -0x62, +0x2b, -0x43,
            -0x48, +0x3b, -0x1f, +0x3d, +0x4b, -0x64, +0x06, +0x09,
            +0x1e, +0x5f, -0x60, -0x4c, -0x75, -0x30, -0x7f, -0x4a,
            +0x34, +0x05, -0x75, -0x20, -0x14, +0x49, -0x42, -0x4d,
        )
        val actual = function.hash(ByteArray(1))
        assertContentEquals(expected, actual)
    }

    @Test
    fun `two blocks`() {
        val expected = byteArrayOf(
            +0x31, +0x37, +0x17, -0x2a, +0x08, -0x17, -0x31, +0x75,
            -0x73, -0x35, +0x1e, -0x50, -0x10, -0x3d, -0x31, -0x61,
            -0x3f, +0x50, -0x4e, -0x2b, +0x00, -0x05, +0x33, -0x0b,
            +0x1c, +0x52, -0x51, -0x37, -0x63, +0x35, -0x76, +0x2f,
            +0x13, +0x74, -0x48, -0x5d, -0x75, -0x46, +0x79, +0x74,
            -0x19, -0x0a, -0x11, +0x79, -0x36, -0x4f, +0x6f, +0x22,
            -0x32, +0x1e, +0x64, -0x63, +0x6e, +0x01, -0x53, -0x6b,
            -0x77, -0x3e, +0x13, +0x04, +0x5d, +0x54, +0x5d, -0x22,
        )
        val actual = function.hash(ByteArray(144))
        assertContentEquals(expected, actual)
    }
}