Package test

Source Code of test.TestFactorialCreator

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package test;

import org.junit.Assert;
import org.junit.Test;

import factorial.FactorialGenerator;


public class TestFactorialCreator {

  @Test
  public void testFactorialOfZeroAndOneGivesOne(){
    FactorialGenerator fg = new FactorialGenerator();
    int expected = 1;
    int actual = fg.getFactorial(0);
 
    Assert.assertEquals(expected, actual);
   
    expected = 1;
    actual = fg.getFactorial(1);
   
    Assert.assertEquals(expected, actual);
  }
 
 
  @Test
  public void testFactorialOfTwoGivesTwo(){
    FactorialGenerator fg = new FactorialGenerator();
    int expected = 2;
    int actual = fg.getFactorial(2);
   
    Assert.assertEquals(expected, actual);
  }
 
 
  @Test
  public void testFactorialOfThreeGivesSix(){
    FactorialGenerator fg = new FactorialGenerator();
    int expected = 6;
    int actual = fg.getFactorial(3);
   
    Assert.assertEquals(expected, actual);
  }
 
  @Test
  public void testFactorialForMultipleKindOfNumbers(){
    FactorialGenerator fg = new FactorialGenerator();
    int expected = 24;
    int actual = fg.getFactorial(4);
   
    Assert.assertEquals(expected, actual);

    expected = 120;
    actual = fg.getFactorial(5);
   
    Assert.assertEquals(expected, actual);

    expected = 720;
    actual = fg.getFactorial(6);
   
    Assert.assertEquals(expected, actual);

    expected = 5040;
    actual = fg.getFactorial(7);
   
    Assert.assertEquals(expected, actual);

    expected = 40320;
    actual = fg.getFactorial(8);
   
    Assert.assertEquals(expected, actual);

    expected = 362880;
    actual = fg.getFactorial(9);
   
    Assert.assertEquals(expected, actual);

    expected = 3628800;
    actual = fg.getFactorial(10);
   
    Assert.assertEquals(expected, actual);
  }
}
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Related Classes of test.TestFactorialCreator

  • factorial.FactorialGenerator
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