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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.Globalization;
using System.IO;
namespace CsvHelper.Tests.Parsing
{
public class EscapeCharacterTests
{
[Fact]
public void EscapeTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Escape = '|',
};
using (var reader = new StringReader("\"|\"a|\"\"\r\n"))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal("\"a\"", parser[0]);
}
}
[Fact]
public void EscapeNoNewlineTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Escape = '|',
};
using (var reader = new StringReader("\"|\"a|\"\""))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal("\"a\"", parser[0]);
}
}
[Fact]
public void EscapeTrimOutsideTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Escape = '|',
TrimOptions = TrimOptions.Trim,
};
using (var reader = new StringReader(" \"|\"a|\"\" \r\n")) // ` "|"a|"" \r\n`
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal("\"a\"", parser[0]);
}
}
[Fact]
public void EscapeTrimInsideTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Escape = '|',
TrimOptions = TrimOptions.InsideQuotes,
};
using (var reader = new StringReader("\" |\"a|\" \"\r\n"))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal("\"a\"", parser[0]);
}
}
[Fact]
public void EscapeTrimBothTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Escape = '|',
TrimOptions = TrimOptions.Trim | TrimOptions.InsideQuotes,
};
using (var reader = new StringReader(" \" |\"a|\" \" \r\n"))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal("\"a\"", parser[0]);
}
}
[Fact]
public void EscapeWriteTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
Escape = '|',
};
using (var writer = new StringWriter())
using (var csv = new CsvWriter(writer, config))
{
csv.WriteField("\"a\"");
csv.Flush();
Assert.Equal("\"|\"a|\"\"", writer.ToString());
}
}
}
}
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