source: josm/trunk/test/unit/org/openstreetmap/josm/gui/layer/geoimage/TimezoneTest.java@ 11914

// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.layer.geoimage;

import static org.junit.Assert.assertEquals;

import java.text.ParseException;
import java.util.TimeZone;

import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.openstreetmap.josm.testutils.JOSMTestRules;
import org.openstreetmap.josm.tools.date.DateUtilsTest;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;

/**
 * Unit tests of {@link Timezone} class.
 */
public class TimezoneTest {

    /**
     * Setup test.
     */
    @Rule
    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
    public JOSMTestRules test = new JOSMTestRules();

    /**
     * Setup test.
     */
    @BeforeClass
    public static void setUp() {
        DateUtilsTest.setTimeZone(TimeZone.getTimeZone("UTC"));
    }

    /**
     * Unit test of {@link Timezone#formatTimezone}.
     */
    @Test
    public void testFormatTimezone() {
        assertEquals("+1:00", new Timezone(1).formatTimezone());
        assertEquals("+6:30", new Timezone(6.5).formatTimezone());
        assertEquals("-6:30", new Timezone(-6.5).formatTimezone());
        assertEquals("+3:08", new Timezone(Math.PI).formatTimezone());
        assertEquals("+2:43", new Timezone(Math.E).formatTimezone());
    }

    /**
     * Unit test of {@link Timezone#parseTimezone}.
     * @throws ParseException in case of parsing error
     */
    @Test
    public void testParseTimezone() throws ParseException {
        assertEquals(1, Timezone.parseTimezone("+01:00").getHours(), 1e-3);
        assertEquals(1, Timezone.parseTimezone("+1:00").getHours(), 1e-3);
        assertEquals(1.5, Timezone.parseTimezone("+01:30").getHours(), 1e-3);
        assertEquals(11.5, Timezone.parseTimezone("+11:30").getHours(), 1e-3);
    }
}