package com.dianping.cat.analysis;
import junit.framework.Assert;
import org.junit.Test;
import com.dianping.cat.analysis.PeriodStrategy;
public class PeriodStrategyTest {
@Test
public void test1() {
PeriodStrategy strategy = new PeriodStrategy(60, 5, 3);
Assert.assertEquals(60, strategy.getDuration());
Assert.assertEquals(0, strategy.next(4));
Assert.assertEquals(0, strategy.next(5));
Assert.assertEquals(0, strategy.next(6));
Assert.assertEquals(0, strategy.next(56));
Assert.assertEquals(60, strategy.next(57));
Assert.assertEquals(0, strategy.next(58));
Assert.assertEquals(0, strategy.next(64));
Assert.assertEquals(-0, strategy.next(65));
Assert.assertEquals(120, strategy.next(117));
Assert.assertEquals(-60, strategy.next(125));
Assert.assertEquals(180, strategy.next(177));
Assert.assertEquals(-120, strategy.next(185));
Assert.assertEquals(0, strategy.next(236));
Assert.assertEquals(240, strategy.next(237));
Assert.assertEquals(-180, strategy.next(245));
Assert.assertEquals(360, strategy.next(400));
Assert.assertEquals(-240, strategy.next(401));
Assert.assertEquals(420, strategy.next(417));
Assert.assertEquals(-360, strategy.next(425));
Assert.assertEquals(1380, strategy.next(1400));
Assert.assertEquals(-420, strategy.next(1401));
}
@Test
public void test2() {
PeriodStrategy strategy = new PeriodStrategy(60, 5, 3);
Assert.assertEquals(60, strategy.next(104));
Assert.assertEquals(0, strategy.next(105));
Assert.assertEquals(120, strategy.next(117));
Assert.assertEquals(-60, strategy.next(125));
Assert.assertEquals(180, strategy.next(177));
Assert.assertEquals(-120, strategy.next(185));
}
}