LRUPageFrameTest.java

package code04;

import  org.junit.Assert;

import org.junit.Test;


public class LRUPageFrameTest {

	@Test
	public void testAccess() {
		LRUPageFrame frame = new LRUPageFrame(3);
		frame.access(7);
		frame.access(0);
		frame.access(1);
        //1，0，7
		Assert.assertEquals("1,0,7", frame.toString());
        frame.access(2);
        //2，1，0
		Assert.assertEquals("2,1,0", frame.toString());
		frame.access(0);
		//0，2，1
        Assert.assertEquals("0,2,1", frame.toString());
		frame.access(0);
        //0，2，1
		Assert.assertEquals("0,2,1", frame.toString());
		frame.access(3);
        //3，0，2
        Assert.assertEquals("3,0,2", frame.toString());
		frame.access(0);
        //0，3，2
		Assert.assertEquals("0,3,2", frame.toString());
		frame.access(4);
		//4，0，3
        Assert.assertEquals("4,0,3", frame.toString());
	}

}