jdk-24/test/jdk/java/io/pathNames/win32/bug6344646.java

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/* @test
 * @bug 6344646
 * @summary tests that WinNTFileSystem.hashCode() uses
 *    locale independent case mapping.
 */

import java.io.*;
import java.util.*;

public class bug6344646 {
    public static void main(String[] s) {
        Locale reservedLocale = Locale.getDefault();
        try {
            /* This test is only valid on win32 systems */
            if (File.separatorChar != '\\') {
                return;
            }

            Locale.setDefault(Locale.of("lt"));
            File f1 = new File("J\u0301");
            File f2 = new File("j\u0301");

            if (f1.hashCode() != f2.hashCode()) {
                throw new RuntimeException("File.hashCode() for \"J\u0301\" " +
                        "and \"j\u0301\" should be the same");
            }
        } finally {
            // restore the reserved locale
            Locale.setDefault(reservedLocale);
        }
    }
}