How to resize NSTextView according to its content?

Question

I am trying to set an attributed string within NSTextView. I want to increase its height based on its content, initially it is set to some default value.

So I tried

Answer 1

NSTextView *textView = [[NSTextView alloc] init];
textView.font = [NSFont systemFontOfSize:[NSFont systemFontSize]];
textView.string = @"Lorem ipsum";

[textView.layoutManager ensureLayoutForTextContainer:textView.textContainer];

textView.frame = [textView.layoutManager usedRectForTextContainer:textView.textContainer];