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Aaru/Aaru.Tests/Checksums/CdChecksumsFix.cs

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// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : CdChecksumsFix.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Aaru unit testing.
//
// --[ License ] --------------------------------------------------------------
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2026 Natalia Portillo
// ****************************************************************************/
using System;
using System.IO;
using Aaru.Checksums;
using FluentAssertions;
using NUnit.Framework;
namespace Aaru.Tests.Checksums;
[TestFixture]
public class CdChecksumsFix
{
internal static byte[] Mode1Sector { get; } =
[
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x95, 0x96, 0x1A, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x43, 0xC9, 0xD8, 0x59, 0x2F, 0x45, 0x8C, 0xFA, 0x9D, 0x7E, 0x78, 0x99,
0xBA, 0xAA, 0xFB, 0x1A, 0x1E, 0x4B, 0x4C, 0x1E, 0x8D, 0xD1, 0xB0, 0x76, 0xB6, 0x18, 0xCD, 0xE4, 0x29, 0xC2,
0x9F, 0x48, 0x1B, 0x4A, 0xFF, 0x6F, 0x08, 0x59, 0x21, 0x59, 0xDA, 0x23, 0x48, 0x99, 0x40, 0xA9, 0x70, 0x8E,
0xA5, 0x92, 0xA3, 0x9C, 0x2C, 0x8F, 0x45, 0xEA, 0x11, 0x02, 0xE8, 0xA7, 0x99, 0xEF, 0xAA, 0x24, 0x0F, 0xD9,
0x2A, 0x65, 0x93, 0xE4, 0x9D, 0x26, 0x4A, 0x40, 0x0B, 0xAF, 0x25, 0xB6, 0x24, 0x97, 0x24, 0x18, 0xD5, 0x60,
0x31, 0x69, 0x3F, 0xAF, 0xB7, 0x25, 0x7D, 0x8E, 0xC0, 0xE0, 0xDE, 0x3E, 0x3E, 0xC9, 0xEB, 0x98, 0xA9, 0x5F,
0x5D, 0x15, 0x19, 0x5D, 0xBD, 0xE1, 0xD5, 0x08, 0xF2, 0x5C, 0x8B, 0xE4, 0x0A, 0xE0, 0x99, 0x1D, 0x49, 0x04,
0xFF, 0x39, 0x1A, 0x57, 0x35, 0x57, 0xC2, 0x2C, 0x59, 0xAB, 0x06, 0xF5, 0x29, 0xC2, 0xF0, 0xC6, 0xB8, 0xC1,
0x7F, 0xD8, 0x14, 0xB5, 0x28, 0x66, 0xCA, 0xA3, 0xAB, 0xDF, 0xF1, 0x7C, 0x59, 0x8B, 0x6E, 0x27, 0xCC, 0xC5,
0xDE, 0x00, 0x77, 0x6C, 0x16, 0x12, 0x8D, 0xAC, 0x34, 0x8A, 0x34, 0x7C, 0xAD, 0x01, 0xCD, 0x2E, 0xD7, 0x34,
0x1A, 0x41, 0xA9, 0x30, 0x81, 0x2C, 0x83, 0x5B, 0x9E, 0xE9, 0x89, 0x96, 0xF7, 0x22, 0x02, 0x4C, 0xCA, 0xBC,
0x7A, 0xD3, 0x18, 0xB0, 0xAF, 0x70, 0x08, 0x01, 0xA4, 0x84, 0xE9, 0xA9, 0xCC, 0xCF, 0xB6, 0x36, 0x48, 0xA0,
0x7F, 0x0A, 0xA8, 0x6B, 0x8B, 0xAC, 0x44, 0xBF, 0x11, 0x6A, 0xEC, 0x93, 0x11, 0x72, 0x8A, 0x50, 0xC8, 0x2A,
0xB9, 0x79, 0xE3, 0x78, 0x11, 0xB1, 0x3E, 0xC9, 0xDC, 0xC1, 0x57, 0x7F, 0xD2, 0x55, 0x26, 0x9B, 0xCB, 0x37,
0x0D, 0x75, 0x97, 0x20, 0x98, 0x1A, 0xCE, 0x78, 0xB0, 0x75, 0xD8, 0x23, 0xDE, 0xBC, 0x09, 0xF1, 0x0F, 0xFD,
0x2E, 0x01, 0xC7, 0x6D, 0x37, 0xEA, 0xF8, 0x6D, 0x22, 0x69, 0xFB, 0x17
];
internal static byte[] Mode2Form1Sector { get; } =
[
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x02, 0x16, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x43, 0x44, 0x30, 0x30, 0x31, 0x01, 0x00, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x56, 0x4F, 0x4C, 0x55, 0x4D, 0x45, 0x5F, 0x4C,
0x41, 0x42, 0x45, 0x4C, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x23, 0x00, 0x00,
0x00, 0x00, 0x23, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x00, 0x08, 0x08, 0x00, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x54, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x00,
0x22, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x64, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x64,
0x7D, 0x0A, 0x0A, 0x0C, 0x37, 0x16, 0x04, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x01, 0x00, 0x55, 0x4E,
0x44, 0x45, 0x46, 0x49, 0x4E, 0x45, 0x44, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x49, 0x4D, 0x47, 0x42, 0x55, 0x52, 0x4E, 0x20, 0x56, 0x32, 0x2E, 0x35, 0x2E, 0x38,
0x2E, 0x30, 0x20, 0x2D, 0x20, 0x54, 0x48, 0x45, 0x20, 0x55, 0x4C, 0x54, 0x49, 0x4D, 0x41, 0x54, 0x45, 0x20,
0x49, 0x4D, 0x41, 0x47, 0x45, 0x20, 0x42, 0x55, 0x52, 0x4E, 0x45, 0x52, 0x21, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x32, 0x30, 0x32, 0x35, 0x31, 0x30, 0x31, 0x30, 0x31,
0x32, 0x35, 0x35, 0x32, 0x32, 0x30, 0x30, 0x04, 0x32, 0x30, 0x32, 0x35, 0x31, 0x30, 0x31, 0x30, 0x31, 0x32,
0x35, 0x35, 0x32, 0x32, 0x30, 0x30, 0x04, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x30, 0x30, 0x30, 0x30, 0x00, 0x01, 0x00, 0x49, 0x6D, 0x67, 0x42, 0x75, 0x72, 0x6E, 0x20, 0x76, 0x32, 0x2E,
0x35, 0x2E, 0x38, 0x2E, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xDF, 0x0E, 0xCD, 0xC5, 0x1A, 0x45, 0x1A, 0x3E, 0xD8, 0x8E, 0xE8, 0x17, 0x43, 0x3E, 0x37, 0xAC,
0x2F, 0x45, 0x8C, 0xFA, 0x9D, 0x7E, 0xCB, 0x36, 0xBA, 0xAA, 0xFB, 0x1A, 0x1E, 0x4B, 0x4C, 0x1E, 0x8D, 0xD1,
0xB0, 0x76, 0xB6, 0x18, 0xCD, 0xE4, 0x29, 0xC2, 0x9F, 0x48, 0x1B, 0x4A, 0xFF, 0x6F, 0x08, 0x59, 0x21, 0x59,
0xDA, 0x23, 0x48, 0x99, 0x40, 0xA9, 0x70, 0x8E, 0xA5, 0x92, 0xA3, 0x9C, 0x2C, 0x8F, 0x7E, 0xD1, 0x99, 0x02,
0xE8, 0xA7, 0x99, 0xEF, 0xAA, 0x24, 0x0F, 0xD9, 0x2A, 0x65, 0x93, 0xE4, 0x9D, 0x1D, 0x71, 0xC8, 0x74, 0x1F,
0xC8, 0xCA, 0x0A, 0x58, 0x0A, 0x5A, 0xA0, 0xEF, 0x14, 0x50, 0x3F, 0x5A, 0x4E, 0xD1, 0x7D, 0x8E, 0xC0, 0xE0,
0xDE, 0x3E, 0x8C, 0x57, 0xEB, 0x98, 0xA9, 0x5F, 0x5D, 0x15, 0x19, 0x5D, 0xBD, 0xE1, 0xD5, 0x08, 0xF2, 0x5C,
0x8B, 0xE4, 0x0A, 0xE0, 0x99, 0x1D, 0x49, 0x04, 0xFF, 0x39, 0x1A, 0x57, 0x35, 0x57, 0xC2, 0x2C, 0x59, 0xAB,
0x06, 0xF5, 0x29, 0xC2, 0xF0, 0xC6, 0xB8, 0xC1, 0x7F, 0xD8, 0x2E, 0x8F, 0xAB, 0x66, 0xCA, 0xA3, 0xAB, 0xDF,
0xF1, 0x7C, 0x59, 0x8B, 0x6E, 0x27, 0xCC, 0xC5, 0xDE, 0x3A, 0x4D, 0xEF, 0xB7, 0x39, 0x3B, 0x0F, 0xF1, 0xF5,
0x94, 0xD9, 0xA6, 0x7E, 0x54, 0xBA, 0x6B, 0xD2, 0xD3, 0x76, 0x96, 0xD5, 0x82, 0xB8, 0xC1, 0x07, 0x01, 0x17,
0xF9, 0x7D, 0x1D, 0x4D, 0x28, 0x83, 0x56, 0xE9, 0x22, 0xAD, 0x19, 0x41, 0x40, 0xA3, 0xAC, 0x1B, 0x20, 0xC2,
0xA1, 0x1B, 0x74, 0x06, 0x8A, 0xAC, 0xA9, 0x52, 0x31, 0xAE, 0xFB, 0xD9, 0xAA, 0x69, 0x43, 0x2B, 0x34, 0xF9,
0xD3, 0x09, 0xFF, 0xE7, 0x8B, 0xD6, 0x4F, 0x7A, 0x26, 0x7F, 0xA8, 0x55, 0xEE, 0x3E, 0x48, 0x0F, 0x19, 0x32,
0x7E, 0x29, 0x3C, 0x20, 0x56, 0x06, 0x63, 0x88, 0xCA, 0x04, 0x44, 0x67, 0xF0, 0xCA, 0xEB, 0xA7, 0x1E, 0xE3,
0x79, 0xC5, 0x9F, 0x21, 0x38, 0xEB, 0x59, 0x14, 0x73, 0xAC, 0xA6, 0x64
];
[Test]
public void InvalidLengthReturnsNotApplicable()
{
var sector = new byte[2048];
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.NotApplicable);
}
[Test]
public void Mode1SingleByteCanBeFixed()
{
RequirePreparedSector(Mode1Sector, nameof(Mode1Sector));
var sector = new byte[2352];
Array.Copy(Mode1Sector, sector, sector.Length);
sector[0x200] ^= 0x55;
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.Fixed);
CdChecksums.CheckCdSector(sector).Should().BeTrue();
sector.Should().BeEquivalentTo(Mode1Sector);
}
[Test]
public void Mode2Form1SingleByteCanBeFixed()
{
RequirePreparedSector(Mode2Form1Sector, nameof(Mode2Form1Sector));
var sector = new byte[2352];
Array.Copy(Mode2Form1Sector, sector, sector.Length);
sector[0x220] ^= 0x5A;
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.Fixed);
CdChecksums.CheckCdSector(sector).Should().BeTrue();
sector.Should().BeEquivalentTo(Mode2Form1Sector);
}
[Test]
public void Mode1HeavyCorruptionCanStillBeFixed()
{
RequirePreparedSector(Mode1Sector, nameof(Mode1Sector));
var sector = new byte[2352];
Array.Copy(Mode1Sector, sector, sector.Length);
CorruptOffsets(sector, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.Fixed);
CdChecksums.CheckCdSector(sector).Should().BeTrue();
sector.Should().BeEquivalentTo(Mode1Sector);
}
[Test]
public void Mode1EccPCorruptionCanBeFixed()
{
RequirePreparedSector(Mode1Sector, nameof(Mode1Sector));
var sector = new byte[2352];
Array.Copy(Mode1Sector, sector, sector.Length);
CorruptOffsets(sector, 0x81C, 0x81D, 0x820);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.Fixed);
CdChecksums.CheckCdSector(sector).Should().BeTrue();
sector.Should().BeEquivalentTo(Mode1Sector);
}
[Test]
public void Mode1EccQCorruptionCanBeFixed()
{
RequirePreparedSector(Mode1Sector, nameof(Mode1Sector));
var sector = new byte[2352];
Array.Copy(Mode1Sector, sector, sector.Length);
CorruptOffsets(sector, 0x8C8, 0x8C9, 0x8CC);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.Fixed);
CdChecksums.CheckCdSector(sector).Should().BeTrue();
sector.Should().BeEquivalentTo(Mode1Sector);
}
[Test]
public void Mode1HeavyCorruptionCannotBeFixed()
{
RequirePreparedSector(Mode1Sector, nameof(Mode1Sector));
var sector = new byte[2352];
Array.Copy(Mode1Sector, sector, sector.Length);
CorruptOffsets(sector, 0x62, 0xB8, 0xBA, 0x110);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.CouldNotFix);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
}
[Test]
public void Mode1TwoBytesInSamePRowCanBeFixed()
{
RequirePreparedSector(Mode1Sector, nameof(Mode1Sector));
var sector = new byte[2352];
Array.Copy(Mode1Sector, sector, sector.Length);
CorruptOffsets(sector, 0x62, 0xB8);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.Fixed);
CdChecksums.CheckCdSector(sector).Should().BeTrue();
sector.Should().BeEquivalentTo(Mode1Sector);
}
[Test]
public void FailingSectorCanBeFixedWithC2Pointers()
{
string failingPath = Path.Combine(Consts.TestFilesRoot, "Checksum test files", "failingsector.bin");
string workingPath = Path.Combine(Consts.TestFilesRoot, "Checksum test files", "workingsector.bin");
if(!File.Exists(failingPath) || !File.Exists(workingPath))
Assert.Ignore("External sector fixtures are not present.");
byte[] sector = File.ReadAllBytes(failingPath);
byte[] working = File.ReadAllBytes(workingPath);
byte[] c2Pointers = BuildC2PointersFromDifferences(sector, working);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector, c2Pointers);
result.Should().Be(SectorFixResult.Fixed);
CdChecksums.CheckCdSector(sector).Should().BeTrue();
sector.Should().BeEquivalentTo(working);
}
[Test]
public void Mode2Form1HeavyCorruptionCanStillBeFixed()
{
RequirePreparedSector(Mode2Form1Sector, nameof(Mode2Form1Sector));
var sector = new byte[2352];
Array.Copy(Mode2Form1Sector, sector, sector.Length);
CorruptOffsets(sector, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.Fixed);
CdChecksums.CheckCdSector(sector).Should().BeTrue();
sector.Should().BeEquivalentTo(Mode2Form1Sector);
}
[Test]
public void Mode2Form1HeavyCorruptionCannotBeFixed()
{
RequirePreparedSector(Mode2Form1Sector, nameof(Mode2Form1Sector));
var sector = new byte[2352];
Array.Copy(Mode2Form1Sector, sector, sector.Length);
CorruptOffsets(sector, 0x62, 0xB8, 0xBA, 0x110);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
SectorFixResult result = CdChecksums.FixSector(sector);
result.Should().Be(SectorFixResult.CouldNotFix);
CdChecksums.CheckCdSector(sector).Should().BeFalse();
}
static void CorruptOffsets(byte[] sector, params int[] offsets)
{
for(var i = 0; i < offsets.Length; i++) sector[offsets[i]] ^= (byte)(0x11 << (i & 3));
}
static byte[] BuildC2PointersFromDifferences(byte[] sector, byte[] fixedSector)
{
var c2Pointers = new byte[294];
for(var i = 0; i < sector.Length; i++)
{
if(sector[i] == fixedSector[i]) continue;
c2Pointers[i / 8] |= (byte)(0x80 >> (i & 7));
}
return c2Pointers;
}
static void RequirePreparedSector(byte[] sector, string name)
{
if(CdChecksums.CheckCdSector(sector) == true) return;
Assert.Ignore($"Fill {name} with a valid raw 2352-byte sector before running this test.");
}
}
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