private static void AssertImport(string expected, string input)
{
JsonTextReader reader = new JsonTextReader(new StringReader(input));
StringImporter importer = new StringImporter();
object o = importer.Import(new ImportContext(), reader);
Assert.IsTrue(reader.EOF, "Reader must be at EOF.");
if (expected != null)
Assert.IsInstanceOfType(typeof(string), o);
Assert.AreEqual(expected, o);
}