public void CalculateLongestCommonWhitespacePrefix()
{
var samples = new Dictionary <string, int>
{
{ "", 0 },
{ " a\r\n b", 3 },
{ "a\r\n b", 0 },
{ "a\r\nb", 0 },
{ " a\r\n\r\n b", 1 },
{ " a\r\nb", 0 },
{ " a\r\n b other spaces\t \r\n baz\t", 2 }
};
foreach (var sample in samples)
{
var actual = HtmlMarkupProvider.CalculateLongestCommonWhitespacePrefix(sample.Key) ?? string.Empty;
Assert.AreEqual(sample.Value, actual.Length);
}
}