package ca.mokhan.test;

import Q9.Number;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

public class NumberTest extends TestCase {
  public NumberTest(String testName) {
    super(testName);
  }

  public static Test suite() {
    return new TestSuite(NumberTest.class);
  }

  public void testIsDivisibleBy5() {
    for (int i = 0; i < 113; i++)
      if (i % 5 == 0) assertTrue(Number.isDivisibleBy5(i));
      else assertFalse(Number.isDivisibleBy5(i));
  }

  public void testIsDivisibleBy7() {
    for (int i = 0; i < 113; i++)
      if (i % 7 == 0) assertTrue(Number.isDivisibleBy7(i));
      else assertFalse(Number.isDivisibleBy7(i));
  }

  public void testIsOdd() {
    for (int i = 0; i < 113; i++)
      if (i % 2 == 0) assertFalse(Number.isOdd(i));
      else assertTrue(Number.isOdd(i));
  }

  public void testIsPrime() {
    List<Integer> primes =
        Arrays.asList(
            new Integer[] {
              2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79,
              83, 89, 97, 101, 103, 107, 109, 113
            });

    for (Integer i = 0; i < 113; i++)
      if (primes.contains(i)) assertTrue(Number.isPrime(i));
      else assertFalse(Number.isPrime(i));
  }

  public void testIterate() {
    ArrayList<String> results = Number.iterate();
    assertTrue(results.contains("0,hi five"));
    assertTrue(results.contains("1,1 is odd"));
    assertTrue(results.contains("2,prime"));
    assertTrue(results.contains("3,3 is odd,wow,prime"));
    assertTrue(results.contains("4"));
  }
}