File: PathTokenizerTest.cs
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Project: src\src\Http\Routing\test\UnitTests\Microsoft.AspNetCore.Routing.Tests.csproj (Microsoft.AspNetCore.Routing.Tests)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Primitives;
 
namespace Microsoft.AspNetCore.Routing;
 
public class PathTokenizerTest
{
    public static TheoryData<string, StringSegment[]> TokenizationData
    {
        get
        {
            return new TheoryData<string, StringSegment[]>
                {
                    { string.Empty, new StringSegment[] { } },
                    { "/", new StringSegment[] { } },
                    { "//", new StringSegment[] { new StringSegment("//", 1, 0) } },
                    {
                        "///",
                        new StringSegment[]
                        {
                            new StringSegment("///", 1, 0),
                            new StringSegment("///", 2, 0),
                        }
                    },
                    {
                        "////",
                        new StringSegment[]
                        {
                            new StringSegment("////", 1, 0),
                            new StringSegment("////", 2, 0),
                            new StringSegment("////", 3, 0),
                        }
                    },
                    { "/zero", new StringSegment[] { new StringSegment("/zero", 1, 4) } },
                    { "/zero/", new StringSegment[] { new StringSegment("/zero/", 1, 4) } },
                    {
                        "/zero/one",
                        new StringSegment[]
                        {
                            new StringSegment("/zero/one", 1, 4),
                            new StringSegment("/zero/one", 6, 3),
                        }
                    },
                    {
                        "/zero/one/",
                        new StringSegment[]
                        {
                            new StringSegment("/zero/one/", 1, 4),
                            new StringSegment("/zero/one/", 6, 3),
                        }
                    },
                    {
                        "/zero/one/two",
                        new StringSegment[]
                        {
                            new StringSegment("/zero/one/two", 1, 4),
                            new StringSegment("/zero/one/two", 6, 3),
                            new StringSegment("/zero/one/two", 10, 3),
                        }
                    },
                    {
                        "/zero/one/two/",
                        new StringSegment[]
                        {
                            new StringSegment("/zero/one/two/", 1, 4),
                            new StringSegment("/zero/one/two/", 6, 3),
                            new StringSegment("/zero/one/two/", 10, 3),
                        }
                    },
                };
        }
    }
 
    [Theory]
    [MemberData(nameof(TokenizationData))]
    public void PathTokenizer_Count(string path, StringSegment[] expectedSegments)
    {
        // Arrange
        var tokenizer = new PathTokenizer(new PathString(path));
 
        // Act
        var count = tokenizer.Count;
 
        // Assert
        Assert.Equal(expectedSegments.Length, count);
    }
 
    [Theory]
    [MemberData(nameof(TokenizationData))]
    public void PathTokenizer_Indexer(string path, StringSegment[] expectedSegments)
    {
        // Arrange
        var tokenizer = new PathTokenizer(new PathString(path));
 
        // Act & Assert
        for (var i = 0; i < expectedSegments.Length; i++)
        {
            Assert.Equal(expectedSegments[i], tokenizer[i]);
        }
    }
 
    [Theory]
    [MemberData(nameof(TokenizationData))]
    public void PathTokenizer_Enumerator(string path, StringSegment[] expectedSegments)
    {
        // Arrange
        var tokenizer = new PathTokenizer(new PathString(path));
 
        // Act & Assert
        Assert.Equal<StringSegment>(expectedSegments, tokenizer);
    }
}