ILSpy/ILSpy.Tests/Settings/SessionSettingsMultiLineTabsTests.cs

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using System.Xml.Linq;

using AwesomeAssertions;

using ILSpy;

using NUnit.Framework;

namespace ICSharpCode.ILSpy.Tests.Settings;

/// <summary>
/// The document-tab layout mode persists across sessions: it defaults to single-line (false) and
/// round-trips through the SessionSettings XML.
/// </summary>
[TestFixture]
public class SessionSettingsMultiLineTabsTests
{
	static SessionSettings Load(XElement section)
	{
		var settings = new SessionSettings();
		settings.LoadFromXml(section);
		return settings;
	}

	[Test]
	public void Defaults_To_Single_Line_When_Absent()
	{
		Load(new XElement("SessionSettings")).MultiLineDocumentTabs.Should().BeFalse();
	}

	[Test]
	public void Round_Trips_Through_Xml()
	{
		var settings = Load(new XElement("SessionSettings"));
		settings.MultiLineDocumentTabs = true;

		var reloaded = Load(settings.SaveToXml());

		reloaded.MultiLineDocumentTabs.Should().BeTrue("the persisted mode must survive save + load");
	}
}