public void Accept_Language()
{
StringWithQualityHeaderValue[] expected = new StringWithQualityHeaderValue[] {
new StringWithQualityHeaderValue("de-CH"),
new StringWithQualityHeaderValue("de"),
new StringWithQualityHeaderValue("en", 0.5),
new StringWithQualityHeaderValue("fr", 0.2)
};
Assert.AreEqual(expected.OrderBy(o => o.Quality), "de-CH, de, en;q=0.5, fr;q=0.2".ToAcceptLanguage().OrderBy(o => o.Quality));
}