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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 Xunit;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CsvHelper.Tests
{
public class ArrayHelperTests
{
[Fact]
public void Contains_HasValue_ReturnsTrue()
{
var array = new char[] { 'a' };
var contains = ArrayHelper.Contains(array, 'a');
Assert.True(contains);
}
[Fact]
public void Contains_DoesNotHaveValue_ReturnsFalse()
{
var array = new char[] { 'a' };
var contains = ArrayHelper.Contains(array, 'b');
Assert.False(contains);
}
[Fact]
public void Trim_FullBuffer_TrimsChars()
{
var buffer = " a ".ToCharArray();
var trimChars = new char[] { ' ' };
var start = 0;
var length = buffer.Length;
ArrayHelper.Trim(buffer, ref start, ref length, trimChars);
Assert.Equal(1, start);
Assert.Equal(1, length);
}
[Fact]
public void Trim_MidBuffer_TrimsChars()
{
var buffer = "a b c".ToCharArray();
var trimChars = new char[] { ' ' };
var start = 1;
var length = 3;
ArrayHelper.Trim(buffer, ref start, ref length, trimChars);
Assert.Equal(2, start);
Assert.Equal(1, length);
}
[Fact]
public void Trim_AllWhitespace_EmptyString()
{
var buffer = new string(' ', 100).ToCharArray();
var trimChars = new char[] { ' ' };
var start = 0;
var length = buffer.Length;
ArrayHelper.Trim(buffer, ref start, ref length, trimChars);
Assert.Equal(100, start);
Assert.Equal(0, length);
}
}
}
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