testathletescores.java

ssd3部分quiz、exercise、exam的参考答案

import  java.io.*;

/**
 * Test driver for class <code>AthleteScores</code>.
 *
 * @author  LiGuoLiang
 * @version  1.0.0
 */
public class TestAthleteScores  {

	/* Standard output stream */
	private static PrintWriter  stdOut = new  PrintWriter(System.out, true);

	/* Standard error stream */
	private static PrintWriter  stdErr = new  PrintWriter(System.err, true);

	/**
	 * Test driver for class <code>AthleteScores</code>.
	 *
	 * @param args  not used.
	 */
	public static void  main(String[] args)  {


		/* PLACE YOUR CODE HERE */
		//Test accessors
		AthleteScores athleteone = new AthleteScores("one",50,60,70);
		assertTrue("1:name is not equal",athleteone.getName()=="one");
		assertTrue("2:scoreone is not equal",athleteone.getScoreOne()==50);
		assertTrue("3:scoretwo is not equal",athleteone.getScoreTwo()==60);
		assertTrue("4:scorethree is not equal",athleteone.getScoreThree()==70);
		
		//Test mutators
		AthleteScores athletetwo = new AthleteScores("two",0,0,0);
		
		athletetwo.setScoreOne(10);
		assertTrue("5:new scoreone is not equal",athletetwo.getScoreOne()==10);
		
		athletetwo.setScoreTwo(20);
		assertTrue("6:new scoretwo is not equal",athletetwo.getScoreTwo()==20);
		
		athletetwo.setScoreThree(30);
		assertTrue("7:new scorethree is not equal",athletetwo.getScoreThree()==30);
		
		//Test method getMinimum
		AthleteScores athletethree = new AthleteScores("three",50,50,50);
		
		athletethree.setScoreOne(40);
		assertTrue("8:the smallest score is not the first score",athletethree.getMinimum()==athletethree.getScoreOne());
		
		athletethree.setScoreTwo(30);
		assertTrue("9:the smallest score is not the second score",athletethree.getMinimum()==athletethree.getScoreTwo());
		
		athletethree.setScoreThree(20);
		assertTrue("10:the smallest score is not the third score",athletethree.getMinimum()==athletethree.getScoreThree());
		
		//Test method equals
		AthleteScores athletefour = new AthleteScores("four",0,0,0);
		assertTrue("11:objects are not equal",athletefour.equals(new AthleteScores("four",10,20,30))==true);
		assertTrue("12:objects are equal",athletefour.equals(new AthleteScores("five",0,0,0))==false);
		assertTrue("13:objects are instances of AthleteScores",athletefour.equals(new Object())==false);
		
		stdOut.println("Done");
		
		
	}

	/**
	 * Displays a message in the standard error stream if the value specified
	 * by parameter <code>condition<code> is <code>false</code>.
	 *
	 * @param message  the error message.
	 * @param condition  the test condition.
	 */
	public static void assertTrue(String message, boolean condition) {

		if (! condition) {
			stdErr.print("** Test failure ");
			stdErr.println(message);
		}
	}
}