testgenerateprimes.java

著名的uncle Bob的Agile software development的代码

/*--- formatted by Jindent 2.1, (www.c-lab.de/~jindent) ---*/

import junit.framework.*;
import java.util.*;

public class TestGeneratePrimes extends TestCase
{
  public TestGeneratePrimes(String name)
  {
    super(name);
  }

  public void testPrimes()
  {
    int[] nullArray = GeneratePrimes.generatePrimes(0);
    assertEquals(nullArray.length, 0);

    int[] minArray = GeneratePrimes.generatePrimes(2);
    assertEquals(minArray.length, 1);
    assertEquals(minArray[0], 2);

    int[] threeArray = GeneratePrimes.generatePrimes(3);
    assertEquals(threeArray.length, 2);
    assertEquals(threeArray[0], 2);
    assertEquals(threeArray[1], 3);

    int[] centArray = GeneratePrimes.generatePrimes(100);
    assertEquals(centArray.length, 25);
    assertEquals(centArray[24], 97);
  }
}