package mockit;
   
   import static java.util.Arrays.asList;
   import static java.util.Collections.singletonList;
   
   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.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.math.BigInteger;
  import java.util.ArrayList;
  import java.util.LinkedList;
  import java.util.List;
  
  import mockit.internal.expectations.invocation.MissingInvocation;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * The Class WithCaptureTest.
   */
  @SuppressWarnings("ConstantConditions")
  final class WithCaptureTest {
  
      /**
       * The Class Person.
       */
      public static class Person {
  
          /** The name. */
          private String name;
  
          /** The age. */
          private int age;
  
          /**
           * Instantiates a new person.
           */
          public Person() {
          }
  
          /**
           * Instantiates a new person.
           *
           * @param name
           *            the name
           * @param age
           *            the age
           */
          public Person(String name, int age) {
              this.name = name;
              this.age = age;
          }
  
          /**
           * Gets the name.
           *
           * @return the name
           */
          public String getName() {
              return name;
          }
  
          /**
           * Gets the age.
           *
           * @return the age
           */
          public int getAge() {
              return age;
          }
      }
  
      /**
       * The Interface DAO.
       *
       * @param <T>
       *            the generic type
       */
      public interface DAO<T> {
          /**
           * Creates the.
           *
           * @param t
           *            the t
           */
          @SuppressWarnings("unused")
          void create(T t);
      }
  
      /**
       * The Class PersonDAO.
       */
      @SuppressWarnings("UnusedParameters")
      public static final class PersonDAO implements DAO<Person> {
         @Override
         public void create(Person p) {
         }
 
         /**
          * Creates the.
          *
          * @param name
          *            the name
          * @param age
          *            the age
          *
          * @return the person
          */
         public Person create(String name, int age) {
             return new Person(name, age);
         }
 
         /**
          * Do something.
          *
          * @param i
          *            the i
          */
         public void doSomething(Integer i) {
         }
 
         /**
          * Do something.
          *
          * @param b
          *            the b
          */
         public void doSomething(boolean b) {
         }
 
         /**
          * Do something.
          *
          * @param n
          *            the n
          */
         public void doSomething(Number n) {
         }
 
         /**
          * Do something else.
          *
          * @param n
          *            the n
          */
         public void doSomethingElse(Number n) {
         }
 
         /**
          * Do something.
          *
          * @param nums
          *            the nums
          */
         public void doSomething(Number[] nums) {
         }
 
         /**
          * Do something.
          *
          * @param nums
          *            the nums
          */
         public void doSomething(List<Integer> nums) {
         }
 
         /**
          * Do something.
          *
          * @param s1
          *            the s 1
          * @param b
          *            the b
          * @param s2
          *            the s 2
          * @param d
          *            the d
          * @param f
          *            the f
          * @param l
          *            the l
          * @param o
          *            the o
          * @param c
          *            the c
          * @param bt
          *            the bt
          * @param sh
          *            the sh
          */
         public void doSomething(String s1, boolean b, String s2, double d, float f, long l, Object o, char c, byte bt,
                 short sh) {
         }
 
         /**
          * Do something.
          *
          * @param names
          *            the names
          * @param ages
          *            the ages
          */
         void doSomething(String[] names, int[] ages) {
         }
 
         /**
          * Do something.
          *
          * @param f1
          *            the f 1
          * @param f2
          *            the f 2
          * @param flags
          *            the flags
          */
         void doSomething(Float f1, float f2, boolean... flags) {
         }
 
         /**
          * Do something.
          *
          * @param name
          *            the name
          * @param age
          *            the age
          */
         void doSomething(String name, Short age) {
         }
     }
 
     /** The dao. */
     @Mocked
     PersonDAO dao;
 
     /**
      * Capture argument from last matching invocation to local variable.
      */
     @Test
     void captureArgumentFromLastMatchingInvocationToLocalVariable() {
         dao.create("Mary Jane", 10);
         dao.create("John", 25);
 
         new FullVerifications() {
             {
                 int age;
                 dao.create(null, age = withCapture());
                 assertTrue(age >= 18);
             }
         };
     }
 
     /**
      * Capture argument of wrapper type to local variable of primitive type.
      */
     @Test
     void captureArgumentOfWrapperTypeToLocalVariableOfPrimitiveType() {
         dao.doSomething(45);
 
         new Verifications() {
             {
                 int i;
                 dao.doSomething(i = withCapture());
                 assertEquals(45, i);
             }
         };
     }
 
     /**
      * Capture null argument of wrapper type to local variable of same wrapper type.
      */
     @Test
     void captureNullArgumentOfWrapperTypeToLocalVariableOfSameWrapperType() {
         dao.doSomething((Integer) null);
 
         new Verifications() {
             {
                 Integer i;
                 dao.doSomething(i = withCapture());
                 assertNull(i);
             }
         };
     }
 
     /**
      * Capture argument of reference type to local variable of primitive type.
      */
     @Test
     void captureArgumentOfReferenceTypeToLocalVariableOfPrimitiveType() {
         dao.doSomething(123.0F);
 
         new Verifications() {
             {
                 float f;
                 dao.doSomething(f = withCapture());
                 assertEquals(123.0F, f, 0);
             }
         };
     }
 
     /**
      * Capture null into A list during verification.
      */
     @Test
     void captureNullIntoAListDuringVerification() {
         dao.create(null);
 
         new Verifications() {
             {
                 List<Person> persons = new ArrayList<>();
                 dao.create(withCapture(persons));
                 assertEquals(1, persons.size());
                 assertNull(persons.get(0));
             }
         };
     }
 
     /**
      * Capture argument to variable of specific subtype for separate invocations.
      */
     @Test
     void captureArgumentToVariableOfSpecificSubtypeForSeparateInvocations() {
         dao.doSomething(new BigInteger("9999"));
         dao.doSomething((byte) -123);
         dao.doSomething(123.0F);
         dao.doSomething(1234L);
         dao.doSomething(1234.5);
 
         new Verifications() {
             {
                 BigInteger bi;
                 dao.doSomething(bi = withCapture());
                 assertEquals(9999, bi.intValue());
 
                 Float f;
                 dao.doSomething(f = withCapture());
                 assertEquals(123.0F, f, 0);
 
                 long l;
                 dao.doSomething(l = withCapture());
                 assertEquals(1234L, l);
 
                 Double d;
                 dao.doSomething(d = withCapture());
                 assertEquals(1234.5, d, 0);
 
                 byte b;
                 dao.doSomething(b = withCapture());
                 assertEquals(-123, b);
             }
         };
     }
 
     /**
      * Capture array arguments to variables with specific element subtypes.
      */
     @Test
     void captureArrayArgumentsToVariablesWithSpecificElementSubtypes() {
         final Integer[] ints = { 1, 2, 3 };
         dao.doSomething(ints);
 
         final Double[] doubles = { 1.0, 2.5, -3.2 };
         dao.doSomething(doubles);
 
         final BigInteger[] bigInts = { new BigInteger("12"), new BigInteger("45") };
         dao.doSomething(bigInts);
 
         new VerificationsInOrder() {
             {
                 Integer[] capturedInts;
                 dao.doSomething(capturedInts = withCapture());
                 assertSame(ints, capturedInts);
 
                 Double[] capturedDoubles;
                 dao.doSomething(capturedDoubles = withCapture());
                 assertSame(doubles, capturedDoubles);
 
                 BigInteger[] capturedBigInts;
                 dao.doSomething(capturedBigInts = withCapture());
                 assertSame(bigInts, capturedBigInts);
             }
         };
     }
 
     /**
      * Capture argument of primitive type to local variable of primitive type.
      */
     @Test
     void captureArgumentOfPrimitiveTypeToLocalVariableOfPrimitiveType() {
         dao.doSomething(true);
 
         new Verifications() {
             {
                 boolean b;
                 dao.doSomething(b = withCapture());
                 assertTrue(b);
             }
         };
     }
 
     /**
      * Capture argument of primitive type to local variable of reference type.
      */
     @Test
     void captureArgumentOfPrimitiveTypeToLocalVariableOfReferenceType() {
         dao.doSomething(true);
 
         new Verifications() {
             {
                 Boolean b;
                 dao.doSomething(b = withCapture());
                 assertTrue(b);
             }
         };
     }
 
     /**
      * Capture arguments to local variables.
      */
     @Test
     void captureArgumentsToLocalVariables() {
         final Person p = new Person("John", 10);
         dao.create(p);
         dao.create("Mary Jane", 30);
         dao.doSomething("test", true, "Test", 4.5, -2.3F, 123, p, 'g', (byte) 127, (short) -32767);
 
         new Verifications() {
             {
                 Person created;
                 dao.create(created = withCapture());
                 assertEquals("John", created.getName());
                 assertEquals(10, created.getAge());
 
                 String name;
                 int age;
                 dao.create(name = withCapture(), age = withCapture());
                 assertEquals("Mary Jane", name);
                 assertEquals(30, age);
 
                 String s1;
                 boolean b;
                 double d;
                 float f;
                 long l;
                 Object o;
                 char c;
                 byte bt;
                 short sh;
                 dao.doSomething(s1 = withCapture(), b = withCapture(), "Test", d = withCapture(), f = withCapture(),
                         l = withCapture(), o = withCapture(), c = withCapture(), bt = withCapture(),
                         sh = withCapture());
                 assertEquals("test", s1);
                 assertTrue(b);
                 assertEquals(4.5, d, 0);
                 assertEquals(-2.3, f, 0.001);
                 assertEquals(123, l);
                 assertSame(p, o);
                 assertEquals('g', c);
                 assertEquals(127, bt);
                 assertEquals(-32767, sh);
             }
         };
     }
 
     /**
      * Attempt to capture arguments into fields.
      */
     @Test
     void attemptToCaptureArgumentsIntoFields() {
         dao.doSomething(56);
 
         new Verifications() {
             final Integer i;
 
             {
                 dao.doSomething(i = withCapture());
                 assertNull(i);
             }
         };
     }
 
     /**
      * Capture first argument in two parameter method.
      */
     @Test
     void captureFirstArgumentInTwoParameterMethod() {
         final String name1 = "Ted";
         final Short age = 15;
         dao.doSomething(name1, age);
 
         final String name2 = "Jane";
         dao.doSomething(name2, age);
 
         new VerificationsInOrder() {
             {
                 String nameCapture;
                 dao.doSomething(nameCapture = withCapture(), age);
                 assertEquals(name1, nameCapture);
 
                 String strCapture;
                 dao.doSomething(strCapture = withCapture(), age);
                 assertEquals(name2, strCapture);
             }
         };
     }
 
     /**
      * Capture arguments for invocation already matched by recorded expectation.
      */
     @Test
     void captureArgumentsForInvocationAlreadyMatchedByRecordedExpectation() {
         new Expectations() {
             {
                 dao.doSomething(anyString, anyShort);
             }
         };
 
         dao.doSomething("testing", (short) 15);
 
         new Verifications() {
             {
                 String s;
                 short i;
                 dao.doSomething(s = withCapture(), i = withCapture());
                 assertEquals("testing", s);
                 assertEquals(15, i);
             }
         };
     }
 
     /**
      * Capture arguments from consecutive matching invocations.
      */
     @Test
     void captureArgumentsFromConsecutiveMatchingInvocations() {
         dao.doSomething((byte) 56);
         dao.doSomething(123.4F);
         dao.doSomething((short) -78);
         dao.doSomething(91);
         dao.doSomething(92);
 
         final String[] names1 = { "Ted" };
         final int[] ages1 = { 15, 46 };
         dao.doSomething(names1, ages1);
 
         final String[] names2 = { "Jane" };
         final int[] ages2 = { 101 };
         dao.doSomething(names2, ages2);
 
         new VerificationsInOrder() {
             {
                 byte bt;
                 dao.doSomething(bt = withCapture());
                 assertEquals(56, bt);
 
                 Number n;
                 dao.doSomething(n = withCapture());
                 assertEquals(123.4, n.floatValue(), 0.001);
 
                 short sh;
                 dao.doSomething(sh = withCapture());
                 assertEquals(-78, sh);
 
                 int i1;
                 dao.doSomething(i1 = withCapture());
                 assertEquals(91, i1);
 
                 Integer i2;
                 dao.doSomething(i2 = withCapture());
                 assertEquals(92, i2.intValue());
 
                 String[] namesCapture;
                 int[] agesCapture;
                 dao.doSomething(namesCapture = withCapture(), agesCapture = withCapture());
                 assertSame(names1, namesCapture);
                 assertSame(ages1, agesCapture);
 
                 dao.doSomething(namesCapture = withCapture(), agesCapture = withCapture());
                 assertSame(names2, namesCapture);
                 assertSame(ages2, agesCapture);
             }
         };
     }
 
     /**
      * Capture array arguments.
      */
     @Test
     void captureArrayArguments() {
         final String[] names = { "Ted", "Lisa" };
         final int[] ages = { 67, 19 };
         dao.doSomething(names, ages);
 
         new Verifications() {
             {
                 String[] capturedNames;
                 int[] capturedAges;
                 dao.doSomething(capturedNames = withCapture(), capturedAges = withCapture());
 
                 assertArrayEquals(names, capturedNames);
                 assertArrayEquals(ages, capturedAges);
             }
         };
     }
 
     /**
      * Capture varargs parameter.
      */
     @Test
     void captureVarargsParameter() {
         dao.doSomething(1.2F, 1.0F, true, false, true);
         dao.doSomething(0.0F, 2.0F, false, true);
         dao.doSomething(-2.0F, 3.0F);
 
         new VerificationsInOrder() {
             {
                 boolean[] flags;
 
                 dao.doSomething(anyFloat, 1.0F, flags = withCapture());
                 assertEquals(3, flags.length);
                 assertTrue(flags[0]);
                 assertFalse(flags[1]);
                 assertTrue(flags[2]);
 
                 dao.doSomething(null, 2.0F, flags = withCapture());
                 assertEquals(2, flags.length);
                 assertFalse(flags[0]);
                 assertTrue(flags[1]);
 
                 dao.doSomething(withAny(0.0F), 3.0F, flags = withCapture());
                 assertEquals(0, flags.length);
             }
         };
     }
 
     /**
      * Capture arguments while mixing any fields and literal values and calls to other methods.
      */
     @Test
     void captureArgumentsWhileMixingAnyFieldsAndLiteralValuesAndCallsToOtherMethods() {
         final double d = 4.5;
         final long l = 123;
         dao.doSomething("Test", true, "data", d, 12.25F, l, "testing", '9', (byte) 11, (short) 5);
 
         new Verifications() {
             {
                 float f;
                 String s;
                 byte b;
 
                 // noinspection ConstantMathCall
                 dao.doSomething(null, anyBoolean, getData(), Math.abs(-d), f = withCapture(), Long.parseLong("" + l),
                         s = withCapture(), Character.forDigit(9, 10), b = withCapture(), anyShort);
 
                 assertEquals(12.25F, f, 0);
                 assertEquals("testing", s);
                 assertEquals(11, b);
             }
         };
     }
 
     /**
      * Gets the data.
      *
      * @return the data
      */
     private String getData() {
         return "data";
     }
 
     /**
      * Capture arguments into list in expectation block.
      */
     @Test
     void captureArgumentsIntoListInExpectationBlock() {
         final List<Person> personsCreated = new ArrayList<>();
         final List<String> personNames = new LinkedList<>();
         final List<Integer> personAges = new LinkedList<>();
 
         new Expectations() {
             {
                 dao.create(withCapture(personsCreated));
                 dao.create(withCapture(personNames), withCapture(personAges));
             }
         };
 
         dao.create(new Person("John", 10));
         assertEquals(1, personsCreated.size());
         Person first = personsCreated.get(0);
         assertEquals("John", first.getName());
         assertEquals(10, first.getAge());
 
         dao.create(new Person("Jane", 20));
         assertEquals(2, personsCreated.size());
         Person second = personsCreated.get(1);
         assertEquals("Jane", second.getName());
         assertEquals(20, second.getAge());
 
         dao.create("Mary Jane", 35);
         assertEquals(1, personNames.size());
         assertEquals("Mary Jane", personNames.get(0));
         assertEquals(1, personAges.size());
         assertEquals(35, personAges.get(0).intValue());
     }
 
     /**
      * Capture arguments into list in verification block.
      */
     @Test
     void captureArgumentsIntoListInVerificationBlock() {
         dao.create(new Person("John", 10));
         dao.create("Mary Jane", 35);
         dao.create("", 56);
         dao.create(new Person("Jane", 20));
         dao.create("Daisy Jones", 6);
 
         new Verifications() {
             final List<Person> created = new ArrayList<>();
             final List<Integer> ages = new ArrayList<>();
 
             {
                 dao.create("", withCapture(ages));
                 assertEquals(singletonList(56), ages);
 
                 dao.create(withCapture(created));
                 assertEquals(2, created.size());
 
                 Person first = created.get(0);
                 assertEquals("John", first.getName());
                 assertEquals(10, first.getAge());
 
                 Person second = created.get(1);
                 assertEquals("Jane", second.getName());
                 assertEquals(20, second.getAge());
 
                 ages.clear();
                 dao.create(withSubstring(" "), withCapture(ages));
                 times = 2;
                 assertEquals(asList(35, 6), ages);
             }
         };
     }
 
     /**
      * Capture newed instance.
      *
      * @param mockedPerson
      *            the mocked person
      */
     @Test
     void captureNewedInstance(@Mocked Person mockedPerson) {
         Person p = new Person();
         dao.create(p);
 
         new Verifications() {
             {
                 Person newInstance = withCapture(new Person()).get(0);
 
                 Person capturedPerson;
                 dao.create(capturedPerson = withCapture());
 
                 assertSame(newInstance, capturedPerson);
             }
         };
     }
 
     /**
      * Capture multiple new instances.
      *
      * @param mockedPerson
      *            the mocked person
      */
     @Test
     void captureMultipleNewInstances(@Mocked Person mockedPerson) {
         dao.create(new Person("Paul", 10));
         dao.create(new Person("Mary", 15));
         dao.create(new Person("Joe", 20));
 
         new Verifications() {
             {
                 List<Person> personsInstantiated = withCapture(new Person(anyString, anyInt));
 
                 List<Person> personsCreated = new ArrayList<>();
                 dao.create(withCapture(personsCreated));
 
                 // noinspection MisorderedAssertEqualsArguments
                 assertEquals(personsInstantiated, personsCreated);
             }
         };
     }
 
     /**
      * Attempt to capture new instance when there was none.
      *
      * @param mockedPerson
      *            the mocked person
      */
     @Test
     void attemptToCaptureNewInstanceWhenThereWasNone(@Mocked Person mockedPerson) {
         Throwable exception = assertThrows(MissingInvocation.class, () -> {
 
             dao.create("test", 14);
 
             new Verifications() {
                 {
                     List<Person> newInstances = withCapture(new Person());
                     times = 0;
                     assertTrue(newInstances.isEmpty());
 
                     withCapture(new Person(anyString, anyInt));
                 }
             };
         });
         assertTrue(exception.getMessage().contains("Person(any String, any int)"));
     }
 
     /**
      * Capture two sets of new instances of the same type.
      *
      * @param mockedPerson
      *            the mocked person
      */
     @Test
     void captureTwoSetsOfNewInstancesOfTheSameType(@Mocked Person mockedPerson) {
         // First set.
         final Person p1 = new Person();
 
         // Second set.
         final Person p2 = new Person("Paul", 10);
         final Person p3 = new Person("Mary", 15);
 
         new Verifications() {
             {
                 List<Person> persons1 = withCapture(new Person(anyString, anyInt));
                 assertEquals(asList(p2, p3), persons1);
 
                 List<Person> persons2 = withCapture(new Person());
                 assertEquals(singletonList(p1), persons2);
             }
         };
     }
 
     /**
      * Capture new instances after verifying new instance of different type.
      *
      * @param mockedPerson
      *            the mocked person
      */
     @Test
     void captureNewInstancesAfterVerifyingNewInstanceOfDifferentType(@Mocked Person mockedPerson) {
         new PersonDAO();
         final Person p1 = new Person("Paul", 10);
         final Person p2 = new Person("Mary", 10);
 
         new Verifications() {
             {
                 new PersonDAO();
 
                 List<Person> persons = withCapture(new Person(anyString, 10));
                 assertEquals(asList(p1, p2), persons);
             }
         };
     }
 
     /**
      * Attempt to capture argument for invocation that never occurred unordered.
      */
     @Test
     void attemptToCaptureArgumentForInvocationThatNeverOccurred_unordered() {
         Throwable exception = assertThrows(MissingInvocation.class, () -> {
 
             new Verifications() {
                 {
                     Person p;
                     dao.create(p = withCapture());
                     times = 1;
                     assertEquals("...", p.getName());
                 }
             };
         });
         assertTrue(exception.getMessage().contains("any " + Person.class.getName()));
     }
 
     /**
      * Attempt to capture argument for invocation that never occurred ordered.
      */
     @Test
     void attemptToCaptureArgumentForInvocationThatNeverOccurred_ordered() {
         assertThrows(MissingInvocation.class, () -> {
 
             new VerificationsInOrder() {
                 {
                     Person p;
                     dao.create(p = withCapture());
                     times = 1;
                     assertEquals("...", p.getName());
                 }
             };
         });
     }
 
     /**
      * The Class ClassWithVarargsMethod.
      */
     static class ClassWithVarargsMethod {
         /**
          * Varargs method.
          *
          * @param s
          *            the s
          * @param values
          *            the values
          */
         @SuppressWarnings("unused")
         void varargsMethod(String s, String... values) {
         }
     }
 
     /**
      * Capture varargs values from all invocations.
      *
      * @param mock
      *            the mock
      */
     @Test
     void captureVarargsValuesFromAllInvocations(@Mocked final ClassWithVarargsMethod mock) {
         final String[] expectedValues1 = { "a", "b" };
         mock.varargsMethod("First", expectedValues1);
 
         final String[] expectedValues2 = { "1", "2" };
         mock.varargsMethod("Second", expectedValues2);
 
         new Verifications() {
             {
                 List<String> capturedNames = new ArrayList<>();
                 List<String[]> capturedValues = new ArrayList<>();
 
                 mock.varargsMethod(withCapture(capturedNames), withCapture(capturedValues));
 
                 assertEquals(asList("First", "Second"), capturedNames);
                 assertArrayEquals(expectedValues1, capturedValues.get(0));
                 assertArrayEquals(expectedValues2, capturedValues.get(1));
             }
         };
     }
 
     /**
      * Capture arguments into A list of A subtype of the captured parameter type.
      */
     @Test
     void captureArgumentsIntoAListOfASubtypeOfTheCapturedParameterType() {
         dao.doSomethingElse(1);
         dao.doSomethingElse(2.0);
         dao.doSomethingElse(3);
 
         final List<Integer> expectedValues = asList(1, 3);
 
         new Verifications() {
             {
                 List<Integer> onlyIntegers = new ArrayList<>();
                 dao.doSomethingElse(withCapture(onlyIntegers));
                 // noinspection MisorderedAssertEqualsArguments
                 assertEquals(expectedValues, onlyIntegers);
             }
         };
     }
 
     /**
      * Capture list arguments from multiple invocations.
      */
     @Test
     void captureListArgumentsFromMultipleInvocations() {
         final List<Integer> integers1 = asList(1, 2, 3);
         dao.doSomething(integers1);
 
         final List<Integer> integers2 = asList(4, 5);
         dao.doSomething(integers2);
 
         new Verifications() {
             {
                 List<List<Integer>> captures = new ArrayList<>();
                 dao.doSomething(withCapture(captures));
                 assertEquals(integers1, captures.get(0));
                 assertEquals(integers2, captures.get(1));
             }
         };
     }
 }