jdk/test/java/util/Calendar/JulianTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/**
 * @test
 * @bug 5029449
 * @summary Tests for the Julian calendar system (before the Gregorian cutover)
 * @library /java/text/testlib
 */

import static java.util.GregorianCalendar.*;

public class JulianTest extends IntlTest {

    public static void main(String[] args) throws Exception {
        new JulianTest().run(args);
    }

    /*
     * 5029449: Regression: GregorianCalendar produces wrong Julian calendar dates in BC 1
     */
    public void Test5029449() {
        Koyomi cal = new Koyomi();
        cal.clear();
        cal.set(1, JANUARY, 0);
        // Date should be BC 1/12/31
        if (!cal.checkFieldValue(ERA, BC)
            || !cal.checkDate(1, DECEMBER, 31)) {
            errln(cal.getMessage());
        }
    }
}