Examples of com.ibm.icu.text.RuleBasedBreakIterator.previous()

Class com.ibm.icu.text.RuleBasedBreakIterator

Examples of com.ibm.icu.text.RuleBasedBreakIterator.previous()

com.ibm.icu.text.RuleBasedBreakIterator.previous()
Moves the iterator backwards, to the last boundary preceding this one. @return The position of the last boundary position preceding this one. @stable ICU 2.0

        wordIter1.setText(testString);
        p = wordIter1.last();
        if (p != testString.length()) {
            errln("ERROR: first() 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);

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            errln("ERROR: first() 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();

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        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)

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        RuleBasedBreakIterator sentIter1 = (RuleBasedBreakIterator) BreakIterator.getSentenceInstance(Locale.getDefault()); 
        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);

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        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 ");

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        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.";

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        RuleBasedBreakIterator lineIter1 = (RuleBasedBreakIterator) BreakIterator.getLineInstance(Locale.getDefault());
        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);

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        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 ");

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        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");
    }

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