tail-cvs

[Márcio V. d. S. <mv...@us...>]

Update of /cvsroot/tail/Tail/src/test/net/sf/tail/indicator
In directory sc8-pr-cvs10.sourceforge.net:/tmp/cvs-serv27559/src/test/net/sf/tail/indicator

Added Files:
	CachedIndicatorTest.java 
Log Message:
transformando template method em decorator (caso CachedIndicator)

--- NEW FILE: CachedIndicatorTest.java ---
package net.sf.tail.indicator;


import java.util.Arrays;

import net.sf.tail.SampleTimeSeries;
import net.sf.tail.TimeSeries;
import net.sf.tail.indicator.simple.ClosePriceIndicator;
import net.sf.tail.indicator.tracker.CachedIndicator;
import net.sf.tail.indicator.tracker.SMAIndicator;

import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Test;

import junit.framework.JUnit4TestAdapter;

public class CachedIndicatorTest {

    private TimeSeries data;

    @Before
    public  void prepare() throws Exception {
        data = new SampleTimeSeries(new double[] { 1, 2, 3, 4, 3, 4, 5, 4, 3, 3, 4, 3, 2 });
    }

    @Test
    public void testCachedIndicatorShouldBeEqualsSMAIndicator() throws Exception {
        SMAIndicator sma = new SMAIndicator(new ClosePriceIndicator(data), 3);
        CachedIndicator cache = new CachedIndicator(sma);
        
        for (int i = 0; i < 10; i++) {
        	assertEquals(sma.getValue(i) , cache.getValue(i));
		}
    }
    
    @Test
	public void testIfCacheWorks() {
    	SMAIndicator sma = new SMAIndicator(new ClosePriceIndicator(data), 3);
        CachedIndicator cache = new CachedIndicator(sma);
        cache.getValue(4);
        assertEquals(sma.getValue(4) , cache.getValue(4));
	}

    @Test
	public void testIncreaseArrayMethod() {
    	double[] d = new double[200];
        Arrays.fill(d, 10);
        TimeSeries dataMax = new SampleTimeSeries(d );
		SMAIndicator quoteSMA = new SMAIndicator(new ClosePriceIndicator(dataMax), 100);
		CachedIndicator cache = new CachedIndicator(quoteSMA);
		assertEquals(10d, cache.getValue(105));
	}
    
	@Test(expected = IndexOutOfBoundsException.class)
	public void testWrongIndex() {
		SMAIndicator quoteSMA = new SMAIndicator(new ClosePriceIndicator(data), 3);
		CachedIndicator cache = new CachedIndicator(quoteSMA);
		cache.getValue(13);
	}
	
	//Método adicionado por causa da compatibilidade do Eclipse 3.1.2(Rede Linux) 
	//e o JUnit4
	public static junit.framework.Test suite() {
	         return new JUnit4TestAdapter(CachedIndicatorTest.class);
	}
}