public void ProjectState_WithWorkspaceProject_Changed()
{
// Arrange
var original = new ProjectState(Workspace.Services, HostProject, WorkspaceProject)
.AddHostDocument(Documents[2])
.AddHostDocument(Documents[1]);
// Force init
GC.KeepAlive(original.ProjectEngine);
GC.KeepAlive(original.TagHelpers);
var changed = WorkspaceProject.WithAssemblyName("Test1");
// Act
var state = original.WithWorkspaceProject(changed);
// Assert
Assert.NotEqual(original.Version, state.Version);
Assert.Same(changed, state.WorkspaceProject);
Assert.Same(original.ProjectEngine, state.ProjectEngine);
Assert.NotSame(original.TagHelpers, state.TagHelpers);
Assert.NotSame(original.Documents[Documents[1].FilePath], state.Documents[Documents[1].FilePath]);
Assert.NotSame(original.Documents[Documents[1].FilePath], state.Documents[Documents[1].FilePath]);
}