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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 CsvHelper.Configuration;
using Xunit;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CsvHelper.Tests.Parsing
{
public class ByteCountTests
{
[Fact]
public void Read_CRLF_CharCountCorrect()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Encoding = Encoding.Unicode,
CountBytes = true,
};
var s = new StringBuilder();
s.Append("1,2\r\n");
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(config.Encoding.GetByteCount(s.ToString()), parser.ByteCount);
}
}
[Fact]
public void Read_CR_CharCountCorrect()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Encoding = Encoding.Unicode,
CountBytes = true,
};
var s = new StringBuilder();
s.Append("1,2\r");
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(config.Encoding.GetByteCount(s.ToString()), parser.ByteCount);
}
}
[Fact]
public void Read_LF_CharCountCorrect()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Encoding = Encoding.Unicode,
CountBytes = true,
};
var s = new StringBuilder();
s.Append("1,2\n");
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(config.Encoding.GetByteCount(s.ToString()), parser.ByteCount);
}
}
[Fact]
public void Read_NoLineEnding_CharCountCorrect()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Encoding = Encoding.Unicode,
CountBytes = true,
};
var s = new StringBuilder();
s.Append("1,2");
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(config.Encoding.GetByteCount(s.ToString()), parser.ByteCount);
}
}
[Fact]
public void CharCountFirstCharOfDelimiterNextToDelimiterTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Encoding = Encoding.Unicode,
CountBytes = true,
Delimiter = "!#",
};
var s = new StringBuilder();
s.Append("1!!#2\r\n");
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(config.Encoding.GetByteCount(s.ToString()), parser.ByteCount);
}
}
[Fact]
public void Read_Trimmed_WhiteSpaceCorrect()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Encoding = Encoding.Unicode,
CountBytes = true,
TrimOptions = TrimOptions.Trim
};
var s = new StringBuilder();
s.Append("1, 2\r\n");
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(config.Encoding.GetByteCount(s.ToString()), parser.ByteCount);
}
}
}
}
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