public async Task GetRootDirectories_WindowsPathUsedForProjectItem_EmptyDirectoryNotIncluded()
{
if (Platform.IsWindows)
{
Assert.Ignore("Not valid on Windows");
}
FilePath solFile = Util.GetSampleProject("console-project", "ConsoleProject.sln");
sol = (Solution)await Services.ProjectService.ReadWorkspaceItem(Util.GetMonitor(), solFile);
var p = (DotNetProject)sol.Items [0];
var fileName = @"C:\Program Files (x86)\Microsoft Visual Studio\2017\MSBuild\MSBuild.dll";
var reference = ProjectReference.CreateAssemblyFileReference(fileName);
p.References.Add(reference);
var directories = sol.GetRootDirectories();
Assert.IsFalse(directories.Contains(FilePath.Empty));
Assert.IsFalse(directories.Contains(FilePath.Null));
Assert.AreEqual(1, directories.Count);
Assert.IsTrue(directories.First() == sol.BaseDirectory);
}