test/java/util/Locale/Bug4210525.java

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/**
    @test
    @summary Locale variant should not be uppercased
    @run main Bug4210525
    @bug 4210525
*/

import java.util.Locale;

public class Bug4210525 {

    public static void main(String[] args) throws Exception {
        String language = "en";
        String country = "US";
        String variant = "socal";

        Locale aLocale = new Locale(language, country, variant);

        String localeVariant = aLocale.getVariant();
        if (localeVariant.equals(variant)) {
            System.out.println("passed");
        } else {
            System.out.println("failed");
            throw new Exception("Bug4210525 test failed.");
        }
    }
}