package mockit;
   
   import static org.junit.jupiter.api.Assertions.assertEquals;
   import static org.junit.jupiter.api.Assertions.assertFalse;
   import static org.junit.jupiter.api.Assertions.assertSame;
   import static org.junit.jupiter.api.Assertions.assertTrue;
   
   import java.util.Date;
   
  import mockit.internal.util.ObjectMethods;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * The Class ObjectOverridesTest.
   */
  public final class ObjectOverridesTest {
  
      /**
       * Verify standard behavior of overridable object methods in mocked interface.
       *
       * @param r1
       *            the r 1
       * @param r2
       *            the r 2
       */
      @Test
      public void verifyStandardBehaviorOfOverridableObjectMethodsInMockedInterface(@Mocked Runnable r1,
              @Mocked Runnable r2) {
          assertDefaultEqualsBehavior(r1, r2);
          assertDefaultEqualsBehavior(r2, r1);
  
          assertDefaultHashCodeBehavior(r1);
          assertDefaultHashCodeBehavior(r2);
  
          assertDefaultToStringBehavior(r1);
          assertDefaultToStringBehavior(r2);
      }
  
      /**
       * Assert default equals behavior.
       *
       * @param obj1
       *            the obj 1
       * @param obj2
       *            the obj 2
       */
      @SuppressWarnings("SimplifiableJUnitAssertion")
      void assertDefaultEqualsBehavior(Object obj1, Object obj2) {
          assertFalse(obj1.equals(null));
          assertFalse(obj1.equals("test"));
          // noinspection EqualsWithItself
          assertTrue(obj1.equals(obj1));
          assertFalse(obj1.equals(obj2));
      }
  
      /**
       * Assert default hash code behavior.
       *
       * @param obj
       *            the obj
       */
      void assertDefaultHashCodeBehavior(Object obj) {
          assertEquals(System.identityHashCode(obj), obj.hashCode());
      }
  
      /**
       * Assert default to string behavior.
       *
       * @param obj
       *            the obj
       */
      void assertDefaultToStringBehavior(Object obj) {
          assertEquals(ObjectMethods.objectIdentity(obj), obj.toString());
      }
  
      /**
       * Verify standard behavior of overridden object methods in mocked JRE class.
       *
       * @param d1
       *            the d 1
       * @param d2
       *            the d 2
       */
      @Test
      public void verifyStandardBehaviorOfOverriddenObjectMethodsInMockedJREClass(@Mocked Date d1, @Mocked Date d2) {
          assertDefaultEqualsBehavior(d1, d2);
          assertDefaultEqualsBehavior(d2, d1);
  
          assertDefaultHashCodeBehavior(d1);
          assertDefaultHashCodeBehavior(d2);
  
          assertDefaultToStringBehavior(d1);
          assertDefaultToStringBehavior(d2);
      }
  
      /** The a. */
      @Mocked
     ClassWithObjectOverrides a;
 
     /** The b. */
     @Mocked
     ClassWithObjectOverrides b;
 
     /**
      * Call object methods in mock before every test.
      */
     @BeforeEach
     void callObjectMethodsInMockBeforeEveryTest() {
         assertEquals(System.identityHashCode(a), a.hashCode());
         assertEquals(b, b);
     }
 
     /**
      * Verify standard behavior of overridden object methods in mocked class.
      *
      * @throws Throwable
      *             the throwable
      */
     @Test
     @SuppressWarnings("FinalizeCalledExplicitly")
     void verifyStandardBehaviorOfOverriddenObjectMethodsInMockedClass() throws Throwable {
         assertDefaultEqualsBehavior(a, b);
         assertDefaultEqualsBehavior(b, a);
 
         assertDefaultHashCodeBehavior(a);
         assertDefaultHashCodeBehavior(b);
 
         assertDefaultToStringBehavior(a);
         assertDefaultToStringBehavior(b);
 
         a.finalize();
         b.finalize();
     }
 
     /**
      * Mock override of equals method.
      */
     @Test
     @SuppressWarnings({ "SimplifiableJUnitAssertion", "EqualsBetweenInconvertibleTypes" })
     void mockOverrideOfEqualsMethod() {
         new Expectations() {
             {
                 a.equals(null);
                 result = true;
                 a.equals(anyString);
                 result = true;
             }
         };
 
         new Expectations() {
             {
                 b.equals(a);
                 result = true;
             }
         };
 
         assertTrue(a.equals(null));
         assertTrue(a.equals("test"));
         assertTrue(b.equals(a));
     }
 
     /**
      * Mock override of hash code method.
      */
     @Test
     void mockOverrideOfHashCodeMethod() {
         assertTrue(a.hashCode() != b.hashCode());
 
         new Expectations() {
             {
                 a.hashCode();
                 result = 123;
                 b.hashCode();
                 result = 45;
                 times = 1;
             }
         };
 
         assertEquals(123, a.hashCode());
         assertEquals(45, b.hashCode());
     }
 
     /**
      * Mock override of to string method.
      */
     @Test
     void mockOverrideOfToStringMethod() {
         // noinspection SimplifiableJUnitAssertion
         assertFalse(a.toString().equals(b.toString()));
 
         new Expectations() {
             {
                 a.toString();
                 result = "mocked";
             }
         };
 
         // noinspection SimplifiableJUnitAssertion
         assertTrue("mocked".equals(a.toString()));
 
         new Verifications() {
             {
                 a.toString();
                 b.toString();
                 times = 0;
             }
         };
     }
 
     /**
      * Mock override of clone method.
      */
     @Test
     void mockOverrideOfCloneMethod() {
         new Expectations() {
             {
                 a.clone();
                 result = b;
             }
         };
 
         assertSame(b, a.clone());
     }
 
     /**
      * Record expectations on overridden object method as always non strict.
      */
     @Test
     void recordExpectationsOnOverriddenObjectMethodAsAlwaysNonStrict() {
         new Expectations() {
             {
                 a.doSomething();
                 a.hashCode();
                 result = 1;
                 a.equals(any);
                 a.toString();
             }
         };
 
         a.doSomething();
     }
 
     /**
      * The Class ClassWithEqualsOverride.
      */
     @SuppressWarnings("EqualsWhichDoesntCheckParameterClass")
     static class ClassWithEqualsOverride {
 
         /** The value. */
         private final int value;
 
         /**
          * Instantiates a new class with equals override.
          *
          * @param value
          *            the value
          */
         ClassWithEqualsOverride(int value) {
             this.value = value;
         }
 
         @Override
         public boolean equals(Object other) {
             return ((ClassWithEqualsOverride) other).value == value;
         }
     }
 
     /**
      * Partially mock instances of class with equals override whose instance gets passed in recorded expectation.
      */
     @Test
     void partiallyMockInstancesOfClassWithEqualsOverrideWhoseInstanceGetsPassedInRecordedExpectation() {
         final Object o1 = new ClassWithEqualsOverride(123);
         Object o2 = new ClassWithEqualsOverride(123);
 
         new Expectations(o1, o2) {
             {
                 a.doSomething(o1);
             }
         };
 
         a.doSomething(o2);
     }
 
     /**
      * Partially mock instances of JRE class with equals override whose instance gets passed in recorded expectation.
      */
     @Test
     void partiallyMockInstancesOfJREClassWithEqualsOverrideWhoseInstanceGetsPassedInRecordedExpectation() {
         final Object o1 = new Date(123);
         Object o2 = new Date(123);
 
         new Expectations(o1, o2) {
             {
                 a.doSomething(o1);
             }
         };
 
         a.doSomething(o2);
     }
 }