test/java/text/Format/ChoiceFormat/Bug4387255.java

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/**
 * @test
 * @bug 4387255
 * @summary Verifies that ChoiceFormat can handle large numbers of choices
 */

import java.text.ChoiceFormat;

public class Bug4387255 {

    private static final double[] doubles = {
            0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
            10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
            20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
            30, 31, 32, 33, 34, 35};

    private static final String[] strings = {
            "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
            "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
            "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T",
            "U", "V", "W", "X", "Y", "Z"};

    private static final String pattern =
            "0#0|1#1|2#2|3#3|4#4|5#5|6#6|7#7|8#8|9#9" +
            "|10#A|11#B|12#C|13#D|14#E|15#F|16#G|17#H|18#I|19#J" +
            "|20#K|21#L|22#M|23#N|24#O|25#P|26#Q|27#R|28#S|29#T" +
            "|30#U|31#V|32#W|33#X|34#Y|35#Z";

    public static void main(String[] args) throws Exception {
        ChoiceFormat choiceFormat1 = new ChoiceFormat(doubles, strings);
        ChoiceFormat choiceFormat2 = new ChoiceFormat(pattern);
        if (!choiceFormat1.equals(choiceFormat2)) {
            System.out.println("choiceFormat1: " + choiceFormat1.toPattern());
            System.out.println("choiceFormat2: " + choiceFormat2.toPattern());
            throw new RuntimeException();
        }

        for (int i = 0; i < doubles.length; i++) {
            String result = choiceFormat2.format(doubles[i]);
            if (!result.equals(strings[i])) {
                throw new RuntimeException("Wrong format result - expected " +
                        strings[i] + ", got " + result);
            }
        }
    }
}