public void prints_directive()
{
var printer = new SchemaPrinter(null);
var arg = DirectiveGraphType.Skip.Arguments.First();
arg.ResolvedType = arg.Type.BuildNamedType();
var result = printer.PrintDirective(DirectiveGraphType.Skip);
const string expected = @"# Directs the executor to skip this field or fragment when the 'if' argument is true.
directive @skip(
if: Boolean!
) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT";
AssertEqual(result, "directive", expected, excludeScalars: true);
}