public void TestLastPreviousPreceding() { int p, q; String testString = "This is a word break. Isn't it? 2.25 dollars"; Logln("Testing last(),previous(), preceding() with custom rules"); Logln("testing word iteration for string \"" + testString + "\""); RuleBasedBreakIterator wordIter1 = (RuleBasedBreakIterator)BreakIterator.GetWordInstance(new CultureInfo("en")); wordIter1.SetText(testString); p = wordIter1.Last(); if (p != testString.Length) { Errln("ERROR: last() returned" + p + "instead of" + testString.Length); } q = wordIter1.Previous(); doTest(testString, p, q, 37, "dollars"); p = q; q = wordIter1.Previous(); doTest(testString, p, q, 36, " "); q = wordIter1.Preceding(25); doTest(testString, 25, q, 22, "Isn"); p = q; q = wordIter1.Previous(); doTest(testString, p, q, 21, " "); q = wordIter1.Preceding(20); doTest(testString, 20, q, 15, "break"); p = wordIter1.Preceding(wordIter1.First()); if (p != BreakIterator.Done) { Errln("ERROR: preceding() at starting position returned #" + p + " instead of 0"); } testString = "Hello! how are you? I'am fine. Thankyou. How are you doing? This costs $20,00,000."; Logln("testing sentence iter - String:- \"" + testString + "\""); RuleBasedBreakIterator sentIter1 = (RuleBasedBreakIterator)BreakIterator.GetSentenceInstance(CultureInfo.CurrentCulture); sentIter1.SetText(testString); p = sentIter1.Last(); if (p != testString.Length) { Errln("ERROR: last() returned" + p + "instead of " + testString.Length); } q = sentIter1.Previous(); doTest(testString, p, q, 60, "This costs $20,00,000."); p = q; q = sentIter1.Previous(); doTest(testString, p, q, 41, "How are you doing? "); q = sentIter1.Preceding(40); doTest(testString, 40, q, 31, "Thankyou."); q = sentIter1.Preceding(25); doTest(testString, 25, q, 20, "I'am "); sentIter1.First(); p = sentIter1.Previous(); q = sentIter1.Preceding(sentIter1.First()); if (p != BreakIterator.Done || q != BreakIterator.Done) { Errln("ERROR: previous()/preceding() at starting position returned #" + p + " and " + q + " instead of 0\n"); } testString = "Hello! how are you? I'am fine. Thankyou. How are you doing? This\n costs $20,00,000."; Logln("testing line iter - String:- \"" + testString + "\""); RuleBasedBreakIterator lineIter1 = (RuleBasedBreakIterator)BreakIterator.GetLineInstance(CultureInfo.CurrentCulture); lineIter1.SetText(testString); p = lineIter1.Last(); if (p != testString.Length) { Errln("ERROR: last() returned" + p + "instead of " + testString.Length); } q = lineIter1.Previous(); doTest(testString, p, q, 72, "$20,00,000."); p = q; q = lineIter1.Previous(); doTest(testString, p, q, 66, "costs "); q = lineIter1.Preceding(40); doTest(testString, 40, q, 31, "Thankyou."); q = lineIter1.Preceding(25); doTest(testString, 25, q, 20, "I'am "); lineIter1.First(); p = lineIter1.Previous(); q = lineIter1.Preceding(sentIter1.First()); if (p != BreakIterator.Done || q != BreakIterator.Done) { Errln("ERROR: previous()/preceding() at starting position returned #" + p + " and " + q + " instead of 0\n"); } }