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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.Globalization;
using System.IO;
using System.Text;
using CsvHelper.Configuration;
using Xunit;
namespace CsvHelper.Tests
{
public class ExcelCompatibilityTests
{
[Fact]
public void Parse_EscapedFieldHasSpaceAfterLastQuote_FieldProcessedLeavingSpaceAtEnd()
{
var s = new StringBuilder();
s.Append("one,\"two\" ,three\r\n"); // one,"two" ,three
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
BadDataFound = null,
};
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(3, parser.Count);
Assert.Equal("one", parser[0]);
Assert.Equal("two ", parser[1]);
Assert.Equal("three", parser[2]);
}
}
[Fact]
public void Parse_EscapedFieldHasSpaceBeforeFirstQuote_FieldIsNotProcessed()
{
var s = new StringBuilder();
s.Append("one, \"two\",three\r\n"); // one, "two",three
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
BadDataFound = null,
};
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(3, parser.Count);
Assert.Equal("one", parser[0]);
Assert.Equal(" \"two\"", parser[1]);
Assert.Equal("three", parser[2]);
}
}
[Fact]
public void Parse_EscapedFieldHasExtraQuoteAfterLastQuote_CharsAfterLastQuoteAreNotProcessed()
{
var s = new StringBuilder();
s.Append("1,\"two\" \"2,3\r\n"); // 1,"two" "2,3
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
BadDataFound = null,
};
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(3, parser.Count);
Assert.Equal("1", parser[0]);
Assert.Equal("two \"2", parser[1]);
Assert.Equal("3", parser[2]);
Assert.False(parser.Read());
}
}
[Fact]
public void Parse_EscapedFieldHasNoEndingQuote_GoesToEndOfFile()
{
var s = new StringBuilder();
s.Append("a,b,\"c\r\n"); // a,b,"c\r\nd,e,f\r\n
s.Append("d,e,f\r\n");
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
BadDataFound = null,
};
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal("a", parser[0]);
Assert.Equal("b", parser[1]);
Assert.Equal("c\r\nd,e,f\r\n", parser[2]);
}
}
[Fact]
public void Parse_NonEscapedFieldHasQuotesInIt_IgnoresQuotes()
{
var s = new StringBuilder();
s.Append("1,2\"3\"4,5\r\n"); // 1,2"3"4,5
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
BadDataFound = null,
};
using (var reader = new StringReader(s.ToString()))
using (var parser = new CsvParser(reader, config))
{
parser.Read();
Assert.Equal(3, parser.Count);
Assert.Equal("1", parser[0]);
Assert.Equal("2\"3\"4", parser[1]);
Assert.Equal("5", parser[2]);
}
}
}
}
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