package mockit;
   
   import static java.util.Collections.singletonList;
   
   import static org.junit.jupiter.api.Assertions.assertEquals;
   import static org.junit.jupiter.api.Assertions.assertNotNull;
   import static org.junit.jupiter.api.Assertions.assertNotSame;
   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.List;
  import java.util.concurrent.Callable;
  
  import javax.inject.Inject;
  import javax.inject.Provider;
  import javax.inject.Singleton;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * The Class StandardDITest.
   */
  final class StandardDITest {
  
      /**
       * The Class TestedClass.
       */
      public static class TestedClass {
  
          /** The global action. */
          @Inject
          static Runnable globalAction;
  
          /** The collaborator. */
          private final Collaborator collaborator;
  
          /** The collaborator 1. */
          @Inject
          private Collaborator collaborator1;
  
          /** The collaborator 2. */
          Collaborator collaborator2;
  
          /** The some value. */
          @Inject
          int someValue;
  
          /** The another value. */
          @Inject
          private int anotherValue;
  
          /** The non annotated field. */
          String nonAnnotatedField;
  
          /** The non annotated generic field. */
          Callable<String> nonAnnotatedGenericField;
  
          /**
           * Instantiates a new tested class.
           *
           * @param collaborator
           *            the collaborator
           */
          @Inject
          public TestedClass(Collaborator collaborator) {
              this.collaborator = collaborator;
          }
  
          /**
           * Instantiates a new tested class.
           *
           * @param collaborator
           *            the collaborator
           * @param anotherValue
           *            the another value
           */
          @SuppressWarnings("unused")
          public TestedClass(Collaborator collaborator, int anotherValue) {
              throw new RuntimeException("Must not occur");
          }
      }
  
      /**
       * The Class Collaborator.
       */
      static class Collaborator {
          /** The b. */
          boolean b = true;
      }
  
      /** The tested 1. */
      @Tested
      TestedClass tested1;
  
      /** The collaborator. */
      @Injectable
     Collaborator collaborator; // for constructor injection
 
     /** The collaborator 1. */
     @Injectable
     Collaborator collaborator1; // for field injection
 
     /** The some value. */
     @Injectable("123")
     int someValue;
 
     /** The another value. */
     @Injectable
     final int anotherValue = 45;
 
     /** The callable. */
     @Injectable
     Callable<String> callable;
 
     /**
      * The Class TestedClassWithNoAnnotatedConstructor.
      */
     static final class TestedClassWithNoAnnotatedConstructor {
 
         /** The value. */
         @Inject
         int value;
 
         /** The a text. */
         @Inject
         String aText;
 
         /** The another text. */
         String anotherText;
     }
 
     /** The tested 2. */
     @Tested
     TestedClassWithNoAnnotatedConstructor tested2;
 
     /** The a text. */
     @Injectable
     final String aText = "Abc";
 
     /**
      * The Class TestedClassWithInjectOnConstructorOnly.
      */
     public static class TestedClassWithInjectOnConstructorOnly {
 
         /** The name. */
         String name;
 
         /**
          * Instantiates a new tested class with inject on constructor only.
          */
         @Inject
         public TestedClassWithInjectOnConstructorOnly() {
         }
     }
 
     /** The tested 3. */
     @Tested
     TestedClassWithInjectOnConstructorOnly tested3;
 
     /**
      * Invoke inject annotated constructor only.
      */
     @Test
     void invokeInjectAnnotatedConstructorOnly() {
         assertSame(collaborator, tested1.collaborator);
         assertSame(collaborator1, tested1.collaborator1);
         assertNull(tested1.collaborator2);
         assertEquals(123, tested1.someValue);
         assertEquals(45, tested1.anotherValue);
 
         assertEquals(123, tested2.value);
     }
 
     /**
      * Assign inject annotated fields and also non annotated ones.
      *
      * @param collaborator2
      *            the collaborator 2
      * @param notToBeUsed
      *            the not to be used
      */
     @Test
     void assignInjectAnnotatedFieldsAndAlsoNonAnnotatedOnes(@Injectable Collaborator collaborator2,
             @Injectable("67") int notToBeUsed) {
         assertSame(collaborator, tested1.collaborator);
         assertSame(collaborator1, tested1.collaborator1);
         assertSame(collaborator2, tested1.collaborator2);
         assertEquals(123, tested1.someValue);
         assertEquals(45, tested1.anotherValue);
 
         assertEquals(123, tested2.value);
     }
 
     /**
      * Assign annotated field even if tested class has no annotated constructor.
      *
      * @param value
      *            the value
      */
     @Test
     void assignAnnotatedFieldEvenIfTestedClassHasNoAnnotatedConstructor(@Injectable("123") int value) {
         assertEquals(123, tested2.value);
     }
 
     /** The action. */
     @Injectable
     Runnable action;
 
     /**
      * Assign annotated static field during field injection.
      */
     @Test
     void assignAnnotatedStaticFieldDuringFieldInjection() {
         assertSame(action, TestedClass.globalAction);
     }
 
     /**
      * Consider annotated and non annotated fields for injection.
      *
      * @param text2
      *            the text 2
      */
     @Test
     void considerAnnotatedAndNonAnnotatedFieldsForInjection(@Injectable("XY") String text2) {
         assertEquals(aText, tested2.aText);
         assertNull(tested2.anotherText);
         assertEquals(aText, tested3.name);
     }
 
     /**
      * The Class TestedClassWithProviders.
      */
     static final class TestedClassWithProviders {
 
         /** The port. */
         final int port;
 
         /** The collaborator. */
         final Collaborator collaborator;
 
         /** The user. */
         @Inject
         Provider<String> user;
 
         /** The password. */
         @Inject
         Provider<String> password;
 
         /**
          * Instantiates a new tested class with providers.
          *
          * @param port
          *            the port
          * @param collaborator
          *            the collaborator
          */
         @Inject
         TestedClassWithProviders(Provider<Integer> port, Collaborator collaborator) {
             this.port = port.get();
             this.collaborator = collaborator;
         }
     }
 
     /** The tested 4. */
     @Tested
     TestedClassWithProviders tested4;
 
     /** The port number. */
     @Injectable
     Integer portNumber = 4567;
 
     /** The user. */
     @Injectable
     String user = "John";
 
     /** The password. */
     @Injectable
     String password = "123";
 
     /**
      * Support provider fields and parameters.
      */
     @Test
     void supportProviderFieldsAndParameters() {
         assertEquals(portNumber.intValue(), tested4.port);
         assertSame(collaborator, tested4.collaborator);
         assertEquals(user, tested4.user.get());
         assertEquals(password, tested4.password.get());
     }
 
     /**
      * The Class TestedClassWithVarargsParameterForProviders.
      */
     static final class TestedClassWithVarargsParameterForProviders {
 
         /** The collaborator 1. */
         final Collaborator collaborator1;
 
         /** The collaborator 2. */
         final Collaborator collaborator2;
 
         /** The optional collaborators. */
         final List<Collaborator> optionalCollaborators = new ArrayList<>();
 
         /** The name provider. */
         @Inject
         Provider<String> nameProvider;
 
         /**
          * Instantiates a new tested class with varargs parameter for providers.
          *
          * @param collaborators
          *            the collaborators
          */
         @SuppressWarnings({ "unchecked", "VariableArgumentMethod" })
         @Inject
         TestedClassWithVarargsParameterForProviders(Provider<Collaborator>... collaborators) {
             int n = collaborators.length;
             assertTrue(n > 1);
 
             collaborator1 = collaborators[0].get();
             assertSame(collaborator1, collaborators[0].get()); // default (singleton)
 
             collaborator2 = collaborators[2].get();
             assertNull(collaborators[2].get()); // recorded
 
             if (n > 3) {
                 Collaborator col = collaborators[3].get();
                 optionalCollaborators.add(col);
             }
         }
     }
 
     /** The tested 5. */
     @Tested
     TestedClassWithVarargsParameterForProviders tested5;
 
     /** The collaborator provider. */
     @Injectable
     Provider<Collaborator> collaboratorProvider;
 
     /** The col 3. */
     @Injectable
     Collaborator col3;
 
     /**
      * Configure provider used by constructor of tested class.
      */
     @BeforeEach
     void configureProviderUsedByConstructorOfTestedClass() {
         new Expectations() {
             {
                 Collaborator[] collaborators = { col3, null };
                 collaboratorProvider.get();
                 result = collaborators;
             }
         };
     }
 
     /**
      * Support varargs parameter with providers.
      *
      * @param nameProvider
      *            the name provider
      */
     @Test
     void supportVarargsParameterWithProviders(@Injectable final Provider<String> nameProvider) {
         final String[] names = { "John", "Mary" };
         new Expectations() {
             {
                 nameProvider.get();
                 result = names;
             }
         };
 
         assertSame(collaborator, tested5.collaborator1);
         assertNotNull(tested5.collaborator2);
         assertNotSame(tested5.collaborator1, tested5.collaborator2);
         assertEquals(singletonList(col3), tested5.optionalCollaborators);
 
         assertEquals(names[0], tested5.nameProvider.get());
         assertEquals(names[1], tested5.nameProvider.get());
     }
 
     /**
      * Fields not annotated with known DI annotations should still be injected.
      */
     @Test
     void fieldsNotAnnotatedWithKnownDIAnnotationsShouldStillBeInjected() {
         assertEquals("Abc", tested1.nonAnnotatedField);
         assertSame(callable, tested1.nonAnnotatedGenericField);
     }
 
     /**
      * The Class DependencyToBeProvided.
      */
     public static final class DependencyToBeProvided {
     }
 
     /**
      * The Class TestedClassWithProvider.
      */
     public static final class TestedClassWithProvider {
         /** The provider. */
         @Inject
         Provider<DependencyToBeProvided> provider;
     }
 
     /** The tested 6. */
     @Tested(fullyInitialized = true)
     TestedClassWithProvider tested6;
 
     /**
      * Instantiate class with dependency from standard provider.
      */
     @Test
     void instantiateClassWithDependencyFromStandardProvider() {
         DependencyToBeProvided providedDependency1 = tested6.provider.get();
         DependencyToBeProvided providedDependency2 = tested6.provider.get();
         assertNotNull(providedDependency1);
         assertNotNull(providedDependency2);
         assertNotSame(providedDependency1, providedDependency2);
     }
 
     /**
      * The Class SingletonDependencyToBeProvided.
      */
     @Singleton
     public static final class SingletonDependencyToBeProvided {
     }
 
     /**
      * The Class TestedClassWithSingletonProvider.
      */
     public static final class TestedClassWithSingletonProvider {
         /** The provider. */
         @Inject
         Provider<SingletonDependencyToBeProvided> provider;
     }
 
     /** The tested 7. */
     @Tested(fullyInitialized = true)
     TestedClassWithSingletonProvider tested7;
 
     /**
      * Instantiate class with singleton dependency from standard provider.
      */
     @Test
     void instantiateClassWithSingletonDependencyFromStandardProvider() {
         SingletonDependencyToBeProvided providedDependency1 = tested7.provider.get();
         SingletonDependencyToBeProvided providedDependency2 = tested7.provider.get();
         assertNotNull(providedDependency1);
         assertNotNull(providedDependency2);
         assertSame(providedDependency1, providedDependency2);
     }
 }