package com.github.davidmoten.guavamini;
   
   import static org.junit.Assert.assertEquals;
   import static org.junit.Assert.assertFalse;
   import static org.junit.Assert.assertTrue;
   
   import java.math.BigDecimal;
   
   import org.junit.Test;
  
  import com.github.davidmoten.junit.Asserts;
  
  public class ObjectsTest {
  
      @Test
      public void testHashCode() {
          assertEquals(4798, Objects.hashCode(123, 24));
      }
  
      @Test
      public void isUtilityClass() {
          Asserts.assertIsUtilityClass(Objects.class);
      }
  
      @Test
      public void nullEqualsNull() {
          assertTrue(Objects.equal(null, null));
      }
  
      @Test
      public void nullDoesNotEqualNotNull() {
          assertFalse(Objects.equal(null, 123));
      }
  
      @Test
      public void notNullDoesNotEqualNull() {
          assertFalse(Objects.equal(123, null));
      }
  
      @Test
      public void objectsAreEqual() {
          assertTrue(Objects.equal("a", "a"));
      }
  
      @Test
      public void objectsAreEqualWithDifferentReferences() {
          assertTrue(Objects.equal(new BigDecimal(1), new BigDecimal(1)));
      }
  
      @Test
      public void objectsAreNotEqual() {
          assertFalse(Objects.equal("a", "b"));
      }
  
  }