package mockit;
   
   import static org.junit.jupiter.api.Assertions.assertArrayEquals;
   import static org.junit.jupiter.api.Assertions.assertEquals;
   import static org.junit.jupiter.api.Assertions.assertFalse;
   import static org.junit.jupiter.api.Assertions.assertNull;
   import static org.junit.jupiter.api.Assertions.assertSame;
   import static org.junit.jupiter.api.Assertions.assertTrue;
   
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.ListIterator;
  import java.util.Map;
  import java.util.Set;
  import java.util.SortedMap;
  import java.util.SortedSet;
  import java.util.concurrent.Callable;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * The Class ExpectationsWithValuesToReturnTest.
   */
  final class ExpectationsWithValuesToReturnTest {
  
      /**
       * The Class Collaborator.
       */
      static class Collaborator {
  
          /**
           * Do internal.
           *
           * @return the string
           */
          static String doInternal() {
              return "123";
          }
  
          /**
           * Gets the value.
           *
           * @return the value
           */
          int getValue() {
              return -1;
          }
  
          /**
           * Gets the integer.
           *
           * @return the integer
           */
          Integer getInteger() {
              return -1;
          }
  
          /**
           * Gets the byte value.
           *
           * @return the byte value
           */
          byte getByteValue() {
              return -1;
          }
  
          /**
           * Gets the byte wrapper.
           *
           * @return the byte wrapper
           */
          Byte getByteWrapper() {
              return -1;
          }
  
          /**
           * Gets the short value.
           *
           * @return the short value
           */
          short getShortValue() {
              return -1;
          }
  
          /**
           * Gets the short wrapper.
           *
           * @return the short wrapper
           */
          Short getShortWrapper() {
              return -1;
          }
  
          /**
           * Gets the long value.
          *
          * @return the long value
          */
         long getLongValue() {
             return -1;
         }
 
         /**
          * Gets the long wrapper.
          *
          * @return the long wrapper
          */
         Long getLongWrapper() {
             return -1L;
         }
 
         /**
          * Gets the float value.
          *
          * @return the float value
          */
         float getFloatValue() {
             return -1.0F;
         }
 
         /**
          * Gets the float wrapper.
          *
          * @return the float wrapper
          */
         Float getFloatWrapper() {
             return -1.0F;
         }
 
         /**
          * Gets the double value.
          *
          * @return the double value
          */
         double getDoubleValue() {
             return -1.0;
         }
 
         /**
          * Gets the double wrapper.
          *
          * @return the double wrapper
          */
         Double getDoubleWrapper() {
             return -1.0;
         }
 
         /**
          * Gets the char value.
          *
          * @return the char value
          */
         char getCharValue() {
             return '1';
         }
 
         /**
          * Gets the character.
          *
          * @return the character
          */
         Character getCharacter() {
             return '1';
         }
 
         /**
          * Gets the boolean value.
          *
          * @return the boolean value
          */
         boolean getBooleanValue() {
             return true;
         }
 
         /**
          * Gets the boolean wrapper.
          *
          * @return the boolean wrapper
          */
         Boolean getBooleanWrapper() {
             return true;
         }
 
         /**
          * Gets the string.
          *
          * @return the string
          */
         String getString() {
             return "";
         }
 
         /**
          * Gets the object.
          *
          * @return the object
          */
         Object getObject() {
             return null;
         }
 
         /**
          * Gets the items.
          *
          * @return the items
          */
         Collection<?> getItems() {
             return null;
         }
 
         /**
          * Gets the list items.
          *
          * @return the list items
          */
         List<?> getListItems() {
             return null;
         }
 
         /**
          * Gets the a list.
          *
          * @return the a list
          */
         List<?> getAList() {
             return null;
         }
 
         /**
          * Gets the sets the items.
          *
          * @return the sets the items
          */
         Set<?> getSetItems() {
             return null;
         }
 
         /**
          * Gets the sorted set items.
          *
          * @return the sorted set items
          */
         SortedSet<?> getSortedSetItems() {
             return null;
         }
 
         /**
          * Gets the map items.
          *
          * @return the map items
          */
         Map<?, ?> getMapItems() {
             return null;
         }
 
         /**
          * Gets the sorted map items.
          *
          * @return the sorted map items
          */
         SortedMap<?, ?> getSortedMapItems() {
             return null;
         }
 
         /**
          * Gets the list iterator.
          *
          * @return the list iterator
          */
         ListIterator<?> getListIterator() {
             return null;
         }
 
         /**
          * Gets the iterator.
          *
          * @return the iterator
          */
         Iterator<?> getIterator() {
             return null;
         }
 
         /**
          * Gets the iterable.
          *
          * @return the iterable
          */
         Iterable<?> getIterable() {
             return null;
         }
 
         /**
          * Gets the int array.
          *
          * @return the int array
          */
         int[] getIntArray() {
             return null;
         }
 
         /**
          * Gets the int 2 array.
          *
          * @return the int 2 array
          */
         int[][] getInt2Array() {
             return null;
         }
 
         /**
          * Gets the byte array.
          *
          * @return the byte array
          */
         byte[] getByteArray() {
             return null;
         }
 
         /**
          * Gets the byte wrapper array.
          *
          * @return the byte wrapper array
          */
         Byte[] getByteWrapperArray() {
             return null;
         }
 
         /**
          * Gets the short array.
          *
          * @return the short array
          */
         short[] getShortArray() {
             return null;
         }
 
         /**
          * Gets the short wrapper array.
          *
          * @return the short wrapper array
          */
         Short[] getShortWrapperArray() {
             return null;
         }
 
         /**
          * Gets the long array.
          *
          * @return the long array
          */
         long[] getLongArray() {
             return null;
         }
 
         /**
          * Gets the long 2 array.
          *
          * @return the long 2 array
          */
         long[][] getLong2Array() {
             return null;
         }
 
         /**
          * Gets the float array.
          *
          * @return the float array
          */
         float[] getFloatArray() {
             return null;
         }
 
         /**
          * Gets the double array.
          *
          * @return the double array
          */
         double[] getDoubleArray() {
             return null;
         }
 
         /**
          * Gets the char array.
          *
          * @return the char array
          */
         char[] getCharArray() {
             return null;
         }
 
         /**
          * Gets the boolean array.
          *
          * @return the boolean array
          */
         boolean[] getBooleanArray() {
             return null;
         }
 
         /**
          * Gets the string array.
          *
          * @return the string array
          */
         String[] getStringArray() {
             return null;
         }
 
         /**
          * Gets the string 2 array.
          *
          * @return the string 2 array
          */
         String[][] getString2Array() {
             return null;
         }
     }
 
     /**
      * Returns default values for primitive and wrapper return types.
      *
      * @param mock
      *            the mock
      */
     @Test
     void returnsDefaultValuesForPrimitiveAndWrapperReturnTypes(@Mocked final Collaborator mock) {
         new Expectations() {
             {
                 mock.getValue();
                 mock.getInteger();
                 mock.getByteValue();
                 mock.getByteWrapper();
                 mock.getShortValue();
                 mock.getShortWrapper();
                 mock.getLongValue();
                 mock.getLongWrapper();
                 mock.getFloatValue();
                 mock.getFloatWrapper();
                 mock.getDoubleValue();
                 mock.getDoubleWrapper();
                 mock.getCharValue();
                 mock.getCharacter();
                 mock.getBooleanValue();
                 mock.getBooleanWrapper();
                 Collaborator.doInternal();
             }
         };
 
         assertEquals(0, mock.getValue());
         assertEquals(0, mock.getInteger().intValue());
         assertEquals((byte) 0, mock.getByteValue());
         assertEquals((byte) 0, mock.getByteWrapper().byteValue());
         assertEquals((short) 0, mock.getShortValue());
         assertEquals((short) 0, mock.getShortWrapper().shortValue());
         assertEquals(0L, mock.getLongValue());
         assertEquals(0L, mock.getLongWrapper().longValue());
         assertEquals(0.0F, mock.getFloatValue(), 0.0);
         assertEquals(0, mock.getFloatWrapper(), 0);
         assertEquals(0.0, mock.getDoubleValue(), 0.0);
         assertEquals(0, mock.getDoubleWrapper(), 0);
         assertEquals('\0', mock.getCharValue());
         assertEquals('\0', mock.getCharacter().charValue());
         assertFalse(mock.getBooleanValue());
         assertFalse(mock.getBooleanWrapper());
         assertNull(Collaborator.doInternal());
     }
 
     /**
      * Returns default values for collection valued return types.
      *
      * @param mock
      *            the mock
      */
     @Test
     void returnsDefaultValuesForCollectionValuedReturnTypes(@Mocked final Collaborator mock) {
         new Expectations() {
             {
                 mock.getItems();
                 mock.getListItems();
                 mock.getSetItems();
                 mock.getSortedSetItems();
                 mock.getMapItems();
                 mock.getSortedMapItems();
             }
         };
 
         assertSame(Collections.emptyList(), mock.getItems());
         assertSame(Collections.emptyList(), mock.getListItems());
         assertSame(Collections.emptySet(), mock.getSetItems());
         assertEquals(Collections.emptySet(), mock.getSortedSetItems());
         assertSame(Collections.emptyMap(), mock.getMapItems());
         assertEquals(Collections.emptyMap(), mock.getSortedMapItems());
     }
 
     /**
      * Returns default values for array valued return types.
      *
      * @param mock
      *            the mock
      */
     @Test
     void returnsDefaultValuesForArrayValuedReturnTypes(@Mocked final Collaborator mock) {
         new Expectations() {
             {
                 mock.getIntArray();
                 mock.getInt2Array();
                 mock.getByteArray();
                 mock.getShortArray();
                 mock.getShortWrapperArray();
                 mock.getLongArray();
                 mock.getLong2Array();
                 mock.getFloatArray();
                 mock.getDoubleArray();
                 mock.getCharArray();
                 mock.getBooleanArray();
                 mock.getStringArray();
                 mock.getString2Array();
             }
         };
 
         assertArrayEquals(new int[0], mock.getIntArray());
         assertArrayEquals(new int[0][0], mock.getInt2Array());
         assertArrayEquals(new byte[0], mock.getByteArray());
         assertArrayEquals(new short[0], mock.getShortArray());
         assertArrayEquals(new Short[0], mock.getShortWrapperArray());
         assertArrayEquals(new long[0], mock.getLongArray());
         assertArrayEquals(new long[0][0], mock.getLong2Array());
         assertArrayEquals(new float[0], mock.getFloatArray(), 0.0F);
         assertArrayEquals(new double[0], mock.getDoubleArray(), 0.0);
         assertArrayEquals(new char[0], mock.getCharArray());
         assertEquals(0, mock.getBooleanArray().length);
         assertArrayEquals(new String[0], mock.getStringArray());
         assertArrayEquals(new String[0][0], mock.getString2Array());
     }
 
     /**
      * Returns multiple values in sequence using varargs.
      */
     @Test
     void returnsMultipleValuesInSequenceUsingVarargs() {
         final Collaborator collaborator = new Collaborator();
 
         new Expectations(collaborator) {
             {
                 collaborator.getBooleanValue();
                 returns(true, false);
                 collaborator.getShortValue();
                 returns((short) 1, (short) 2, (short) 3);
                 collaborator.getShortWrapper();
                 returns((short) 5, (short) 6, (short) -7, (short) -8);
                 collaborator.getCharArray();
                 returns(new char[0], new char[] { 'x' });
             }
         };
 
         assertTrue(collaborator.getBooleanValue());
         assertFalse(collaborator.getBooleanValue());
 
         assertEquals(1, collaborator.getShortValue());
         assertEquals(2, collaborator.getShortValue());
         assertEquals(3, collaborator.getShortValue());
 
         assertEquals(5, collaborator.getShortWrapper().shortValue());
         assertEquals(6, collaborator.getShortWrapper().shortValue());
         assertEquals(-7, collaborator.getShortWrapper().shortValue());
         assertEquals(-8, collaborator.getShortWrapper().shortValue());
 
         assertArrayEquals(new char[0], collaborator.getCharArray());
         assertArrayEquals(new char[] { 'x' }, collaborator.getCharArray());
     }
 
     /**
      * Returns non null value followed by null using varargs.
      *
      * @param collaborator
      *            the collaborator
      */
     @Test
     void returnsNonNullValueFollowedByNullUsingVarargs(@Mocked final Collaborator collaborator) {
         new Expectations() {
             {
                 collaborator.getString();
                 // noinspection NullArgumentToVariableArgMethod
                 returns("non-null", null);
             }
         };
 
         assertEquals("non-null", collaborator.getString());
         assertNull(collaborator.getString());
         assertNull(collaborator.getString());
     }
 
     /**
      * Returns multiple values from method with return type of object.
      *
      * @param collaborator
      *            the collaborator
      */
     @Test
     void returnsMultipleValuesFromMethodWithReturnTypeOfObject(@Mocked final Collaborator collaborator) {
         new Expectations() {
             {
                 collaborator.getObject();
                 returns(1, 2);
                 returns("test", 'X');
             }
         };
 
         assertEquals(1, collaborator.getObject());
         assertEquals(2, collaborator.getObject());
         assertEquals("test", collaborator.getObject());
         assertEquals('X', collaborator.getObject());
     }
 
     /**
      * Returns multiple values from generic method.
      *
      * @param callable
      *            the callable
      *
      * @throws Exception
      *             the exception
      */
     @Test
     void returnsMultipleValuesFromGenericMethod(@Mocked final Callable<Integer> callable) throws Exception {
         new Expectations() {
             {
                 callable.call();
                 returns(3, 2, 1);
             }
         };
 
         assertEquals(3, callable.call().intValue());
         assertEquals(2, callable.call().intValue());
         assertEquals(1, callable.call().intValue());
     }
 
     /**
      * Record results for collection and list returning methods using varargs.
      *
      * @param mock
      *            the mock
      */
     @Test
     void recordResultsForCollectionAndListReturningMethodsUsingVarargs(@Mocked final Collaborator mock) {
         new Expectations() {
             {
                 mock.getItems();
                 returns(1, "2", 3.0);
                 mock.getListItems();
                 returns("a", true);
             }
         };
 
         Collaborator collaborator = new Collaborator();
         assertArrayEquals(new Object[] { 1, "2", 3.0 }, collaborator.getItems().toArray());
         assertArrayEquals(new Object[] { "a", true }, collaborator.getListItems().toArray());
     }
 
     /**
      * Record results for iterable returning method using varargs.
      *
      * @param mock
      *            the mock
      */
     @Test
     void recordResultsForIterableReturningMethodUsingVarargs(@Mocked final Collaborator mock) {
         new Expectations() {
             {
                 mock.getIterable();
                 returns(true, "Xyz", 3.6);
             }
         };
 
         int i = 0;
         Object[] expectedValues = { true, "Xyz", 3.6 };
 
         for (Object value : mock.getIterable()) {
             assertEquals(expectedValues[i], value);
             i++;
         }
     }
 
     /**
      * Record results for iterator returning method using varargs.
      *
      * @param mock
      *            the mock
      */
     @Test
     void recordResultsForIteratorReturningMethodUsingVarargs(@Mocked final Collaborator mock) {
         new Expectations() {
             {
                 mock.getIterator();
                 returns("ab", "cde", 1, 3);
             }
         };
 
         Iterator<?> itr = new Collaborator().getIterator();
         assertEquals("ab", itr.next());
         assertEquals("cde", itr.next());
         assertEquals(1, itr.next());
         assertEquals(3, itr.next());
     }
 
     /**
      * Record results for set returning method using varargs.
      *
      * @param mock
      *            the mock
      */
     @Test
     void recordResultsForSetReturningMethodUsingVarargs(@Mocked final Collaborator mock) {
         new Expectations() {
             {
                 mock.getSetItems();
                 returns(4.0, "aB", 2);
                 mock.getSortedSetItems();
                 returns(1, 5, 123);
             }
         };
 
         assertArrayEquals(new Object[] { 4.0, "aB", 2 }, mock.getSetItems().toArray());
         assertArrayEquals(new Object[] { 1, 5, 123 }, mock.getSortedSetItems().toArray());
     }
 
     /**
      * Record results for array returning methods using varargs.
      */
     @Test
     void recordResultsForArrayReturningMethodsUsingVarargs() {
         final Collaborator collaborator = new Collaborator();
 
         new Expectations(collaborator) {
             {
                 collaborator.getIntArray();
                 returns(1, 2, 3, 4);
                 collaborator.getLongArray();
                 returns(1023, 20234L, 354);
                 collaborator.getByteArray();
                 returns(0, -4, 5);
                 collaborator.getByteWrapperArray();
                 returns(0, -4, 5);
                 collaborator.getCharArray();
                 returns('a', 'B');
                 collaborator.getShortArray();
                 returns(-1, 3, 0);
                 collaborator.getShortWrapperArray();
                 returns(-1, 3, 0);
                 collaborator.getFloatArray();
                 returns(-0.1F, 5.6F, 7);
                 collaborator.getDoubleArray();
                 returns(4.1, 15, -7.0E2);
                 collaborator.getStringArray();
                 returns("aX", null, "B2 m");
             }
         };
 
         assertArrayEquals(new int[] { 1, 2, 3, 4 }, collaborator.getIntArray());
         assertArrayEquals(new long[] { 1023, 20234, 354 }, collaborator.getLongArray());
         assertArrayEquals(new byte[] { 0, -4, 5 }, collaborator.getByteArray());
         assertArrayEquals(new Byte[] { 0, -4, 5 }, collaborator.getByteWrapperArray());
         assertArrayEquals(new char[] { 'a', 'B' }, collaborator.getCharArray());
         assertArrayEquals(new short[] { -1, 3, 0 }, collaborator.getShortArray());
         assertArrayEquals(new Short[] { -1, 3, 0 }, collaborator.getShortWrapperArray());
         assertArrayEquals(new float[] { -0.1F, 5.6F, 7 }, collaborator.getFloatArray(), 0.0F);
         assertArrayEquals(new double[] { 4.0, 15, -7.0001E2 }, collaborator.getDoubleArray(), 0.1);
         assertArrayEquals(new String[] { "aX", null, "B2 m" }, collaborator.getStringArray());
     }
 
     /**
      * Record multiple iterators to be returned from method that returns iterator.
      *
      * @param mock
      *            the mock
      */
     @Test
     void recordMultipleIteratorsToBeReturnedFromMethodThatReturnsIterator(@Mocked final Collaborator mock) {
         final Iterator<?> firstResult = new ArrayList<>().listIterator();
         final ListIterator<?> secondResult = new LinkedList<>().listIterator();
         final Iterator<?> thirdResult = new ArrayList<>().iterator();
 
         new Expectations() {
             {
                 mock.getListIterator();
                 returns(firstResult, secondResult);
 
                 mock.getIterator();
                 returns(firstResult, secondResult, thirdResult);
             }
         };
 
         assertSame(firstResult, mock.getListIterator());
         assertSame(secondResult, mock.getListIterator());
 
         assertSame(firstResult, mock.getIterator());
         assertSame(secondResult, mock.getIterator());
         assertSame(thirdResult, mock.getIterator());
     }
 
     /**
      * Record multiple lists to be returned from method that returns list.
      *
      * @param mock
      *            the mock
      */
     @Test
     void recordMultipleListsToBeReturnedFromMethodThatReturnsList(@Mocked final Collaborator mock) {
         final List<?> firstResult = new ArrayList<>();
         final List<?> secondResult = new ArrayList<>();
         final List<?> thirdResult = new LinkedList<>();
 
         new Expectations() {
             {
                 mock.getAList();
                 returns(firstResult, secondResult);
 
                 mock.getListItems();
                 returns(firstResult, secondResult, thirdResult);
             }
         };
 
         assertSame(firstResult, mock.getAList());
         assertSame(secondResult, mock.getAList());
 
         assertSame(firstResult, mock.getListItems());
         assertSame(secondResult, mock.getListItems());
         assertSame(thirdResult, mock.getListItems());
     }
 }