// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.CodeAnalysis.Text;
using Xunit;
 
namespace Microsoft.CodeAnalysis.Razor.Workspaces.Test.Extensions;
 
public class SourceTextExtensionsTest
{
    [Fact]
    public void TryGetAbsoluteIndex_ClampsCharacterPastLineEnd()
    {
        var sourceText = SourceText.From("hello\r\nworld");
 
        var result = sourceText.TryGetAbsoluteIndex(line: 0, character: int.MaxValue, out var absoluteIndex);
 
        Assert.True(result);
        Assert.Equal(5, absoluteIndex);
    }
 
    [Fact]
    public void TryGetAbsoluteIndex_ClampsCharacterInsideLineBreakToLineEnd()
    {
        var sourceText = SourceText.From("hello\r\nworld");
 
        var result = sourceText.TryGetAbsoluteIndex(line: 0, character: 6, out var absoluteIndex);
 
        Assert.True(result);
        Assert.Equal(5, absoluteIndex);
    }
 
    [Fact]
    public void GetTextSpan_ClampsCharactersPastLineEnd()
    {
        var sourceText = SourceText.From("hello\r\nworld");
 
        var textSpan = sourceText.GetTextSpan(startLine: 0, startCharacter: 0, endLine: 0, endCharacter: int.MaxValue);
 
        Assert.Equal(new TextSpan(0, 5), textSpan);
    }
}