test/jdk/java/awt/font/FontNames/LocaleFamilyNames.java

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/*
 * @test
 * @bug 4935798 6521210 6901159
 * @summary Tests that all family names that are reported in all locales
 * correspond to some font returned from getAllFonts().
 * @run main/othervm/timeout=360 LocaleFamilyNames
 */
import java.awt.*;
import java.util.*;

public class LocaleFamilyNames {
    public static void main(String[] args) throws Exception {
        System.out.println("Start time: " + java.time.LocalDateTime.now());

        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        Font[] all_fonts = ge.getAllFonts();
        Locale[] all_locales = Locale.getAvailableLocales();

        System.out.println("Number of fonts: " + all_fonts.length);
        System.out.println("Number of locales: " + all_locales.length);

        HashSet all_families = new HashSet();
        for (int i=0; i<all_fonts.length; i++) {
            all_families.add(all_fonts[i].getFamily());
            for (int j=0; j<all_locales.length;j++) {
              all_families.add(all_fonts[i].getFamily(all_locales[j]));
            }
        }

        System.out.println("Number of font families: " + all_families.size());
        System.out.println("Time after preparing the font families HashSet: " + java.time.LocalDateTime.now());

        for (int i=0; i<all_locales.length; i++) {
            String[] families_for_locale =
                 ge.getAvailableFontFamilyNames(all_locales[i]);
            for (int j=0; j<families_for_locale.length; j++) {
                if ( !all_families.contains(families_for_locale[j]) ) {
                    System.out.println("LOCALE: [" + all_locales[i]+"]");
                    System.out.print("NO FONT HAS " +
                                       "THE FOLLOWING FAMILY NAME:");
                    System.out.println("["+families_for_locale[j]+"]");
                    throw new Exception("test failed");
                }
            }
        }
    }
}