test/jdk/java/text/Collator/Test4401726.java

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/**
 * @test
 * @bug 4401726
 * @author John O'Conner
 * @library /java/text/testlib
 * @summary Regression tests for Collation and associated classes
 * @run junit Test4401726
 */


import java.text.*;
import java.util.Locale;
import java.util.Vector;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.fail;

public class Test4401726 {

    @Test
   public void TestSetOffSet() {

       int[] expected = {0, -1, 65536};
       int[] actual = new int[expected.length];

        try {
            String rule = "< a, A < d; D";

            RuleBasedCollator rbc = new RuleBasedCollator(rule);
            String str = "aD";
            CollationElementIterator iterator =
                rbc.getCollationElementIterator(str);

            iterator.setOffset(0);
            actual[0] = iterator.getOffset();
            actual[1] = iterator.previous();
            iterator.setOffset(0);
            actual[2] = iterator.next();

            if (compareArray(expected, actual) == false) {
                fail("Failed.");
            }

            str = "a";
            iterator = rbc.getCollationElementIterator(str);
            iterator.setOffset(0);
            actual[0] = iterator.getOffset();
            actual[1] = iterator.previous();
            iterator.setOffset(0);
            actual[2] = iterator.next();

            if (compareArray(expected, actual) == false) {
                fail("Failed.");
            }

        } catch (ParseException e) {
            fail("Unexpected ParseException: " + e);
        }


    }

    boolean compareArray(int[] expected, int[] actual) {
        boolean retVal = false;
        if (expected.length == actual.length) {
            int errors = 0;
            for(int x=0; x< expected.length; ++x) {
                if (expected[x] != actual[x]) {
                    ++errors;
                }
            }
            if (errors == 0) retVal = true;
        }
        return retVal;
    }
}