/*
    * MIT License
    * Copyright (c) 2006-2025 JMockit developers
    * See LICENSE file for full license text.
    */
   package mockit;
   
   import static org.junit.jupiter.api.Assertions.assertNotNull;
   import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  
  import java.io.Serializable;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.Callable;
  
  import mockit.integration.junit5.JMockitExtension;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  
  /**
   * The Class TestedClassWithGenericsTest.
   */
  @ExtendWith(JMockitExtension.class)
  class TestedClassWithGenericsTest {
  
      /**
       * The Interface Collaborator.
       *
       * @param <T>
       *            the generic type
       */
      public interface Collaborator<T> {
          /**
           * Gets the value.
           *
           * @return the value
           */
          T getValue();
      }
  
      /**
       * The Class SUTWithUnboundedTypeParameter.
       *
       * @param <T>
       *            the generic type
       */
      static class SUTWithUnboundedTypeParameter<T> {
  
          /** The value. */
          T value;
  
          /** The collaborator. */
          final Collaborator<T> collaborator;
  
          /** The collaborators. */
          final Iterable<Collaborator<T>> collaborators;
  
          Map<T, ?> values;
  
          /** The action 1. */
          Callable<T> action1;
  
          /** The action 2. */
          Callable<?> action2;
  
          /**
           * Instantiates a new SUT with unbounded type parameter.
           *
           * @param c
           *            the c
           */
          @SuppressWarnings("unused")
          SUTWithUnboundedTypeParameter(Collaborator<T> c) {
              collaborator = c;
              collaborators = null;
          }
  
          /**
           * Instantiates a new SUT with unbounded type parameter.
           *
           * @param collaborators
           *            the collaborators
           * @param action
           *            the action
           */
          @SuppressWarnings("unused")
          SUTWithUnboundedTypeParameter(Iterable<Collaborator<T>> collaborators, Callable<String> action) {
              collaborator = null;
              this.collaborators = collaborators;
              action2 = action;
          }
  
          <V extends CharSequence & Serializable> SUTWithUnboundedTypeParameter(Map<T, V> values, Callable<?> action) {
              collaborator = null;
              collaborators = null;
              this.values = values;
             action2 = action;
         }
     }
 
     /** The tested 1. */
     @Tested
     SUTWithUnboundedTypeParameter<Integer> tested1;
 
     /** The number to inject. */
     @Injectable
     final Integer numberToInject = 123;
 
     /** The mock collaborator. */
     @Injectable
     Collaborator<Integer> mockCollaborator;
 
     /**
      * Use SUT created with constructor of single generic parameter and with generic field injected from concrete
      * injectables.
      */
     @Test
     void useSUTCreatedWithConstructorOfSingleGenericParameterAndWithGenericFieldInjectedFromConcreteInjectables() {
         assertSame(mockCollaborator, tested1.collaborator);
         assertNull(tested1.collaborators);
         assertSame(numberToInject, tested1.value);
         assertNull(tested1.action1);
         assertNull(tested1.action2);
         assertNull(tested1.values);
     }
 
     /**
      * Use SUT instantiated with constructor having multiple generic parameters.
      *
      * @param collaborators
      *            the collaborators
      * @param mockAction1
      *            the mock action 1
      * @param action1
      *            the action 1
      */
     @Test
     void useSUTInstantiatedWithConstructorHavingMultipleGenericParameters(
             @Injectable Iterable<Collaborator<Integer>> collaborators, @Injectable Callable<String> mockAction1,
             @Injectable Callable<Integer> action1) {
         assertNull(tested1.collaborator);
         assertSame(collaborators, tested1.collaborators);
         assertSame(mockAction1, tested1.action2);
         assertSame(action1, tested1.action1);
         assertSame(numberToInject, tested1.value);
         assertNull(tested1.values);
     }
 
     /**
      * Use SUT instantiated with generic constructor parameters injected from concrete injectables.
      *
      * @param mockCollaborators
      *            the mock collaborators
      * @param mockAction
      *            the mock action
      */
     @Test
     void useSUTInstantiatedWithGenericConstructorParametersInjectedFromConcreteInjectables(
             @Injectable Iterable<Collaborator<Integer>> mockCollaborators, @Injectable Callable<String> mockAction) {
         assertNull(tested1.collaborator);
         assertSame(mockCollaborators, tested1.collaborators);
         assertNull(tested1.action1);
         assertSame(mockAction, tested1.action2);
         assertSame(numberToInject, tested1.value);
         assertNull(tested1.values);
     }
 
     /**
      * The Class SUTWithGenericConstructor.
      *
      * @param <T>
      *            the generic type
      */
     static class SUTWithGenericConstructor<T> {
 
         /** The values. */
         final Map<T, ?> values;
 
         /**
          * Instantiates a new SUT with generic constructor.
          *
          * @param <V>
          *            the value type
          * @param values
          *            the values
          */
         @SuppressWarnings("unused")
         <V extends CharSequence & Serializable> SUTWithGenericConstructor(Map<T, V> values) {
             this.values = values;
         }
     }
 
     /** The map values. */
     @Tested
     final Map<Integer, String> mapValues = new HashMap<>();
 
     /** The tested 8. */
     @Tested
     SUTWithGenericConstructor<Integer> tested8;
 
     /**
      * Use SUT instantiated with generic constructor.
      */
     @Test
     void useSUTInstantiatedWithGenericConstructor() {
         assertSame(mapValues, tested8.values);
     }
 
     @Test
     public void useSUTInstantiatedWithGenericConstructor(@Injectable Callable<?> mockAction,
             @Injectable Map<Integer, String> mockValues) {
         assertNull(tested1.collaborator);
         assertNull(tested1.collaborators);
         assertSame(mockValues, tested1.values);
         assertNull(tested1.action1);
         assertSame(mockAction, tested1.action2);
         assertSame(numberToInject, tested1.value);
     }
 
     /**
      * The Class GenericClass.
      *
      * @param <T>
      *            the generic type
      */
     static class GenericClass<T> {
         /** The value. */
         T value;
     }
 
     /**
      * The Class SUTWithBoundedTypeParameter.
      *
      * @param <N>
      *            the number type
      * @param <C>
      *            the generic type
      */
     static class SUTWithBoundedTypeParameter<N extends Number, C extends CharSequence> {
 
         /** The text value. */
         C textValue;
 
         /** The number value. */
         N numberValue;
 
         /** The collaborator. */
         GenericClass<N> collaborator;
 
         /** The action. */
         Callable<C> action;
     }
 
     /** The tested 2. */
     @Tested
     SUTWithBoundedTypeParameter<Integer, String> tested2;
 
     /** The tested 3. */
     @Tested
     SUTWithBoundedTypeParameter<Number, CharSequence> tested3;
 
     /** The tested 4. */
     @Tested
     SUTWithBoundedTypeParameter<?, ?> tested4;
 
     /** The tested 5. */
     @Tested
     SUTWithBoundedTypeParameter<Long, StringBuilder> tested5;
 
     /**
      * Use SUT declared with type bound.
      *
      * @param name
      *            the name
      * @param textAction
      *            the text action
      * @param collaborator
      *            the collaborator
      */
     @Test
     void useSUTDeclaredWithTypeBound(@Injectable("test") String name, @Injectable Callable<String> textAction,
             @Injectable GenericClass<? extends Number> collaborator) {
         assertSame(numberToInject, tested2.numberValue);
         assertSame(name, tested2.textValue);
         assertSame(collaborator, tested2.collaborator);
         assertSame(textAction, tested2.action);
 
         assertSame(numberToInject, tested3.numberValue);
         assertSame(name, tested3.textValue);
         assertSame(collaborator, tested3.collaborator);
         assertSame(textAction, tested3.action);
 
         assertSame(numberToInject, tested4.numberValue);
         assertSame(name, tested4.textValue);
         assertSame(collaborator, tested4.collaborator);
         assertSame(textAction, tested4.action);
 
         assertNull(tested5.numberValue);
         assertNull(tested5.textValue);
         assertSame(collaborator, tested5.collaborator);
         assertNull(tested5.action);
     }
 
     /**
      * Use SUT declared with type bound having non matching injectable with wildcard.
      *
      * @param action
      *            the action
      */
     @Test
     void useSUTDeclaredWithTypeBoundHavingNonMatchingInjectableWithWildcard(
             @Injectable Callable<? extends Number> action) {
         assertNull(tested2.action);
         assertNull(tested3.action);
         assertNull(tested4.action);
         assertNull(tested5.action);
     }
 
     /**
      * The Class Base.
      *
      * @param <B>
      *            the generic type
      */
     static class Base<B> {
         /** The dep. */
         B dep;
     }
 
     /**
      * The Class Derived.
      *
      * @param <D>
      *            the generic type
      */
     static class Derived<D> extends Base<D> {
     }
 
     /**
      * The Class Concrete.
      */
     static final class Concrete extends Derived<Dep> {
     }
 
     /**
      * The Interface Dep.
      */
     public interface Dep {
     }
 
     /** The dep. */
     @Injectable
     final Dep dep = new Dep() {
     };
 
     /** The sut. */
     @Tested
     Concrete sut;
 
     /**
      * Use SUT class extending generic base class which extends another generic base class containing A generic
      * dependency.
      */
     @Test
     void useSUTClassExtendingGenericBaseClassWhichExtendsAnotherGenericBaseClassContainingAGenericDependency() {
         assertSame(dep, sut.dep);
     }
 
     /**
      * The Class AnotherDep.
      */
     public static class AnotherDep {
     }
 
     /**
      * The Class Concrete2.
      */
     static class Concrete2 extends Base<AnotherDep> {
     }
 
     /** The sut 2. */
     @Tested(fullyInitialized = true)
     Concrete2 sut2;
 
     /**
      * Use fully initialized SUT class extending generic base class.
      */
     @Test
     void useFullyInitializedSUTClassExtendingGenericBaseClass() {
         AnotherDep anotherDep = sut2.dep;
         assertNotNull(anotherDep);
     }
 
     /**
      * The Class Concrete3.
      */
     static class Concrete3 extends Derived<AnotherDep> {
     }
 
     /** The sut 3. */
     @Tested(fullyInitialized = true)
     Concrete3 sut3;
 
     /**
      * Use fully initialized SUT class extending generic class which extends another generic class.
      */
     @Test
     void useFullyInitializedSUTClassExtendingGenericClassWhichExtendsAnotherGenericClass() {
         AnotherDep anotherDep = sut3.dep;
         assertNotNull(anotherDep);
     }
 
     /**
      * The Class TestedClassWithConstructorParameterOfGenericType.
      */
     static class TestedClassWithConstructorParameterOfGenericType {
 
         /** The a class. */
         private final Class<?> aClass;
 
         /**
          * Instantiates a new tested class with constructor parameter of generic type.
          *
          * @param aClass
          *            the a class
          */
         TestedClassWithConstructorParameterOfGenericType(Class<?> aClass) {
             this.aClass = aClass;
         }
     }
 
     /** The a class. */
     @Tested
     final Class<?> aClass = Long.class;
 
     /** The tested 6. */
     @Tested(fullyInitialized = true)
     TestedClassWithConstructorParameterOfGenericType tested6;
 
     /**
      * Verify instantiation of class with constructor parameter of generic type.
      */
     @Test
     void verifyInstantiationOfClassWithConstructorParameterOfGenericType() {
         assertSame(aClass, tested6.aClass);
     }
 
     /**
      * The Class GenericClassWithDependencyUsingTypeParameter.
      *
      * @param <T>
      *            the generic type
      */
     static class GenericClassWithDependencyUsingTypeParameter<T> {
         /** The dependency. */
         GenericClass<T> dependency;
     }
 
     /** The dependency. */
     @Tested
     final GenericClass<String> dependency = new GenericClass<>();
 
     /** The tested 7. */
     @Tested(fullyInitialized = true)
     GenericClassWithDependencyUsingTypeParameter<String> tested7;
 
     /**
      * Verify instantiation of generic class with dependency using type parameter.
      */
     @Test
     void verifyInstantiationOfGenericClassWithDependencyUsingTypeParameter() {
         assertSame(dependency, tested7.dependency);
     }
 
     /**
      * The Interface Interface.
      */
     public interface Interface {
     }
 
     /**
      * The Class Implementation.
      */
     static class Implementation implements Interface {
     }
 
     /**
      * The Class Derived2.
      */
     static class Derived2 extends Base<Interface> {
     }
 
     /** The impl. */
     @Tested
     Implementation impl;
 
     /** The tested. */
     @Tested(fullyInitialized = true)
     Derived2 tested;
 
     /**
      * Use tested object of implementation type for type variable in generic base class.
      */
     @Test
     void useTestedObjectOfImplementationTypeForTypeVariableInGenericBaseClass() {
         assertSame(impl, tested.dep);
     }
 
     /**
      * The Class ClassWithFieldOfGenericTypeContainingGenericArray.
      */
     static class ClassWithFieldOfGenericTypeContainingGenericArray {
         /** The n. */
         @SuppressWarnings("unused")
         int n;
         /** The list. */
         List<Comparable<?>[]> list;
     }
 
     /**
      * Instantiate object containing generic type field with generic array element.
      *
      * @param t
      *            the t
      */
     @Test
     void instantiateObjectContainingGenericTypeFieldWithGenericArrayElement(
             @Tested ClassWithFieldOfGenericTypeContainingGenericArray t) {
         assertNotNull(t);
     }
 }