DivideTest.java

package com.examplehub.maths;

import static org.junit.jupiter.api.Assertions.*;

import org.junit.jupiter.api.Test;

class DivideTest {
  @Test
  void test() {
    try {
      int result = Divide.divide(3, 0);
      fail(); /* this should will not happen */
    } catch (ArithmeticException e) {
      assertTrue(true); /* this will happen */
    }

    try {
      double result = Divide.divide(3, 0.0);
      fail(); /* this should will not happen */
    } catch (ArithmeticException e) {
      assertTrue(true); /* this will happen */
    }

    assertEquals(0, Divide.divide(0, 100));
    assertEquals(2, Divide.divide(4, 2));
    assertEquals(-2, Divide.divide(-2, 1));

    assertEquals(0.0, Divide.divide(0.0, 100.0));
    assertEquals(2.0, Divide.divide(4.0, 2.0));
    assertEquals(3.14, Divide.divide(314.0, 100.0));
  }
}