public void TestIsValidLanguage()
{
string[] validLanguages = { "en", "es" };
Assert.True(RDFExtensions.IsValidLanguage("en", validLanguages));
Assert.True(RDFExtensions.IsValidLanguage("es", validLanguages));
Assert.False(RDFExtensions.IsValidLanguage("de", validLanguages));
}
public void TestIsValidLanguageDefault()
{
Assert.True(RDFExtensions.IsValidLanguage("en"));
Assert.False(RDFExtensions.IsValidLanguage("de"));
}