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/*
 * Copyright (c) 2006-2011 Rogério Liesenfeld
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit;

/**
 * Defines the lifetime of the instances automatically created for a {@linkplain MockClass mock class}.
 * 
 * Tutorial
 */
public enum Instantiation
{
   /**
    * The mock class is instantiated once every time it's set up through a method like
    * {@link mockit.Mockit#setUpMocks(Object...)}, or for each test class to which the mock class is applied through the
    * {@link UsingMocksAndStubs} annotation.
    * 

    * In the first case, the instance lifetime will be limited to the scope in which that set up applies: a single test
    * method (if called directly from the test method or from a {@code setUp/@Before/@BeforeMethod} method), the whole
    * test class (if called from a {@code @BeforeClass} method), or the whole test suite (if called from
    * {@code @BeforeClass} method in a JUnit 4 {@code @Suite} class, for example).
    * 

    * This same instance of the mock class is then used to redirect each call to a mocked method or constructor
    * (provided the mock method is not static, of course).
    */
   PerMockSetup,

   /**
    * The mock class is instantiated every time an instance mock method is about to be called from a mocked method in
    * the real class; that is, each time a mocked method or constructor is executed, if it has a corresponding instance
    * mock method.
    * 

    * This new instance will be used only for that particular execution of the mocked method or constructor, being
    * discarded as soon as the mock method returns from the call.
    */
   PerMockInvocation,

   /**
    * A new instance of the mock class is created for each instance of the real class that was mocked, but only when the
    * first instance mock method needs to be called from a mocked method or constructor.
    * 
    * This same instance of the mock class is then used to redirect each call to a mocked instance method on the same
    * instance of the real class (static mock methods are never called on any instance of the mock class, of course).
    */
   PerMockedInstance
}