private void AssertStopQueryEquals(string qtxt, string expectedRes)
{
string[] fields = new string[]{"b", "t"};
Occur[] occur = new Occur[]{Occur.SHOULD, Occur.SHOULD};
TestQueryParser.QPTestAnalyzer a = new TestQueryParser.QPTestAnalyzer();
MultiFieldQueryParser mfqp = new MultiFieldQueryParser(Util.Version.LUCENE_CURRENT, fields, a);
Query q = mfqp.Parse(qtxt);
Assert.AreEqual(expectedRes, q.ToString());
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, qtxt, fields, occur, a);
Assert.AreEqual(expectedRes, q.ToString());
}