public void getWordSurroundingTest()
{
string testResult = "";
string Content = "this are very tight text";
string word = "this";
testResult += FilterPolicy.getWordSurrounding(Content, Content.IndexOf(word), word.Length) + '\n';
word = "are";
testResult += FilterPolicy.getWordSurrounding(Content, Content.IndexOf(word), word.Length) + '\n';
word = "ver";
testResult += FilterPolicy.getWordSurrounding(Content, Content.IndexOf(word), word.Length) + '\n';
word = "text";
testResult += FilterPolicy.getWordSurrounding(Content, Content.IndexOf(word), word.Length) + '\n';
Content = "long long long long long long this are very tight text long long long long long long";
word = "this";
testResult += FilterPolicy.getWordSurrounding(Content, Content.IndexOf(word), word.Length) + '\n';
word = "are";
testResult += FilterPolicy.getWordSurrounding(Content, Content.IndexOf(word), word.Length) + '\n';
word = "ver";
testResult += FilterPolicy.getWordSurrounding(Content, Content.IndexOf(word), word.Length) + '\n';
word = "text";
testResult += FilterPolicy.getWordSurrounding(Content, Content.IndexOf(word), word.Length);
Console.Write(testResult);
}