public void ToString_UseNoValueAndTokenAndQuotedStringValues_SerializedCorrectly()
{
NameValueHeaderValue nameValue = new NameValueHeaderValue("text", "token");
Assert.Equal("text=token", nameValue.ToString());
nameValue.Value = "\"quoted string\"";
Assert.Equal("text=\"quoted string\"", nameValue.ToString());
nameValue.Value = null;
Assert.Equal("text", nameValue.ToString());
nameValue.Value = string.Empty;
Assert.Equal("text", nameValue.ToString());
}