text: /*
   * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <AK/TestSuite.h>
  #include <AK/String.h>
  #include <AK/Weakable.h>
  #include <AK/WeakPtr.h>
  
  class SimpleWeakable : public Weakable<SimpleWeakable> {
  public:
      SimpleWeakable() {}
  
  private:
      int m_member { 123 };
  };
  
  TEST_CASE(basic_weak)
  {
      WeakPtr<SimpleWeakable> weak1;
      WeakPtr<SimpleWeakable> weak2;
  
      {
          SimpleWeakable simple;
          weak1 = simple.make_weak_ptr();
          weak2 = simple.make_weak_ptr();
          EXPECT_EQ(weak1.is_null(), false);
          EXPECT_EQ(weak2.is_null(), false);
          EXPECT_EQ(weak1.ptr(), &simple);
          EXPECT_EQ(weak1.ptr(), weak2.ptr());
      }
  
      EXPECT_EQ(weak1.is_null(), true);
      EXPECT_EQ(weak1.ptr(), nullptr);
      EXPECT_EQ(weak1.ptr(), weak2.ptr());
  }
  
  TEST_CASE(weakptr_move)
  {
      WeakPtr<SimpleWeakable> weak1;
      WeakPtr<SimpleWeakable> weak2;
  
      {
          SimpleWeakable simple;
          weak1 = simple.make_weak_ptr();
          weak2 = move(weak1);
          EXPECT_EQ(weak1.is_null(), true);
          EXPECT_EQ(weak2.is_null(), false);
          EXPECT_EQ(weak2.ptr(), &simple);
      }
  
      EXPECT_EQ(weak2.is_null(), true);
  
      fprintf(stderr, "ok\n");
  }
  
  TEST_MAIN(WeakPtr)
  