// 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.Html;
using Microsoft.Extensions.WebEncoders.Testing;
 
namespace Microsoft.AspNetCore.Mvc.Rendering;
 
public class HtmlStringTest
{
    [Fact]
    public void WriteTo_WritesToTheSpecifiedWriter()
    {
        // Arrange
        var expectedText = "Some Text";
        var content = new HtmlString(expectedText);
        var writer = new StringWriter();
 
        // Act
        content.WriteTo(writer, new HtmlTestEncoder());
 
        // Assert
        Assert.Equal(expectedText, writer.ToString());
        writer.Dispose();
    }
 
    [Fact]
    public void FromEncodedText_DoesNotEncodeOnWrite()
    {
        // Arrange
        var expectedText = "Hello";
 
        // Act
        var content = new HtmlString(expectedText);
 
        // Assert
        Assert.Equal(expectedText, content.ToString());
    }
 
    [Fact]
    public void Empty_ReturnsEmptyString()
    {
        // Arrange & Act
        var content = HtmlString.Empty;
 
        // Assert
        Assert.Equal(string.Empty, content.ToString());
    }
 
    [Fact]
    public void ToString_ReturnsText()
    {
        // Arrange
        var expectedText = "Hello";
        var content = new HtmlString(expectedText);
 
        // Act
        var result = content.ToString();
 
        // Assert
        Assert.Equal(expectedText, result);
    }
}