TCKClock.java

/*
 * Copyright (c) 2008-2012 Stephen Colebourne & Michael Nascimento Santos
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  * Neither the name of JSR-310 nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package javax.time;

import static org.testng.Assert.assertEquals;

import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;

import org.testng.annotations.Test;

/**
 * Test Clock.
 */
@Test
public class TCKClock {

  static class MockInstantClock extends Clock {

    final long millis;

    final ZoneId zone;

    MockInstantClock(long millis, ZoneId zone) {

      this.millis = millis;
      this.zone = zone;
    }

    @Override
    public long millis() {

      return this.millis;
    }

    @Override
    public ZoneId getZone() {

      return this.zone;
    }

    @Override
    public Clock withZone(ZoneId timeZone) {

      return new MockInstantClock(this.millis, timeZone);
    }
  }

  private static final Instant INSTANT = Instant.ofEpochSecond(1873687, 357000000);

  private static final ZoneId ZONE = ZoneId.of("Europe/Paris");

  private static final Clock MOCK_INSTANT = new MockInstantClock(INSTANT.toEpochMilli(), ZONE);

  // -----------------------------------------------------------------------
  @Test(groups = { "tck" })
  public void test_mockInstantClock_get() {

    assertEquals(MOCK_INSTANT.instant(), INSTANT);
    assertEquals(MOCK_INSTANT.millis(), INSTANT.toEpochMilli());
    assertEquals(MOCK_INSTANT.getZone(), ZONE);
  }

  @Test(groups = { "tck" })
  public void test_mockInstantClock_withZone() {

    ZoneId london = ZoneId.of("Europe/London");
    Clock changed = MOCK_INSTANT.withZone(london);
    assertEquals(MOCK_INSTANT.instant(), INSTANT);
    assertEquals(MOCK_INSTANT.millis(), INSTANT.toEpochMilli());
    assertEquals(changed.getZone(), london);
  }

}