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// Copyright 2009-2022 Josh Close
// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
// https://github.com/JoshClose/CsvHelper
using System;
using System.Linq;
using CsvHelper.TypeConversion;
using Xunit;
namespace CsvHelper.Tests.TypeConversion
{
public class ByteArrayConverterTests
{
[Fact]
public void WhenConverting_FromStringToByteArray_ReturnsCorrectValues()
{
var testCases = new[]
{
new
{
Options = ByteArrayConverterOptions.Hexadecimal | ByteArrayConverterOptions.HexInclude0x,
FieldStrings = new[] { "0xDEAD", "0xB33FBEEF", "0xEA5EEA5EEA5E", "0xCA75CA75CA75CA75" },
Expected = new []
{
new byte[] { 0xDE, 0xAD },
new byte[] { 0xB3, 0x3F, 0xBE, 0xEF },
new byte[] { 0xEA, 0x5E, 0xEA, 0x5E, 0xEA, 0x5E },
new byte[] { 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75 }
}
},
new
{
Options = ByteArrayConverterOptions.Hexadecimal | ByteArrayConverterOptions.HexDashes,
FieldStrings = new[] { "DE-AD", "B3-3F-BE-EF", "EA-5E-EA-5E-EA-5E", "CA-75-CA-75-CA-75-CA-75" },
Expected = new []
{
new byte[] { 0xDE, 0xAD },
new byte[] { 0xB3, 0x3F, 0xBE, 0xEF },
new byte[] { 0xEA, 0x5E, 0xEA, 0x5E, 0xEA, 0x5E },
new byte[] { 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75 }
}
},
new
{
Options = ByteArrayConverterOptions.Base64,
FieldStrings = new []
{
Convert.ToBase64String( new byte[] { 0xDE, 0xAD } ),
Convert.ToBase64String( new byte[] { 0xB3, 0x3F, 0xBE, 0xEF } ),
Convert.ToBase64String( new byte[] { 0xEA, 0x5E, 0xEA, 0x5E, 0xEA, 0x5E } ),
Convert.ToBase64String( new byte[] { 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75 } )
},
Expected = new []
{
new byte[] { 0xDE, 0xAD },
new byte[] { 0xB3, 0x3F, 0xBE, 0xEF },
new byte[] { 0xEA, 0x5E, 0xEA, 0x5E, 0xEA, 0x5E },
new byte[] { 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75 }
}
}
};
foreach( var t in testCases )
{
var converter = new ByteArrayConverter( t.Options );
foreach( var f in t.FieldStrings.Zip( t.Expected, ( test, expected ) => new { test, expected } ) )
{
var actual = (byte[])converter.ConvertFromString( f.test, null, null );
foreach( var b in actual.Zip( f.expected, ( a, e ) => new { a, e } ) )
{
Assert.Equal( b.e, b.a );
}
}
}
}
[Fact]
public void WhenConverting_FromByteArrayToString_ReturnsCorrectValues()
{
var testCases = new[]
{
new
{
Options = ByteArrayConverterOptions.Hexadecimal | ByteArrayConverterOptions.HexInclude0x,
Expected = new[] { "0xDEAD", "0xB33FBEEF", "0xEA5EEA5EEA5E", "0xCA75CA75CA75CA75" },
FieldBytes = new []
{
new byte[] { 0xDE, 0xAD },
new byte[] { 0xB3, 0x3F, 0xBE, 0xEF },
new byte[] { 0xEA, 0x5E, 0xEA, 0x5E, 0xEA, 0x5E },
new byte[] { 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75 }
}
},
new
{
Options = ByteArrayConverterOptions.Hexadecimal | ByteArrayConverterOptions.HexDashes,
Expected = new[] { "DE-AD", "B3-3F-BE-EF", "EA-5E-EA-5E-EA-5E", "CA-75-CA-75-CA-75-CA-75" },
FieldBytes = new []
{
new byte[] { 0xDE, 0xAD },
new byte[] { 0xB3, 0x3F, 0xBE, 0xEF },
new byte[] { 0xEA, 0x5E, 0xEA, 0x5E, 0xEA, 0x5E },
new byte[] { 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75 }
}
},
new
{
Options = ByteArrayConverterOptions.Base64,
Expected = new []
{
Convert.ToBase64String( new byte[] { 0xDE, 0xAD } ),
Convert.ToBase64String( new byte[] { 0xB3, 0x3F, 0xBE, 0xEF } ),
Convert.ToBase64String( new byte[] { 0xEA, 0x5E, 0xEA, 0x5E, 0xEA, 0x5E } ),
Convert.ToBase64String( new byte[] { 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75 } )
},
FieldBytes = new []
{
new byte[] { 0xDE, 0xAD },
new byte[] { 0xB3, 0x3F , 0xBE, 0xEF },
new byte[] { 0xEA, 0x5E , 0xEA, 0x5E, 0xEA, 0x5E },
new byte[] { 0xCA, 0x75 , 0xCA, 0x75, 0xCA, 0x75, 0xCA, 0x75 }
}
}
};
foreach( var t in testCases )
{
var converter = new ByteArrayConverter( t.Options );
foreach( var f in t.Expected.Zip( t.FieldBytes, ( expected, test ) => new { test, expected } ) )
{
var actual = converter.ConvertToString( f.test, null, null );
Assert.Equal( actual, f.expected );
}
}
}
}
}
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