//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------

#include "platform/platform.h"
#include "unit/test.h"
#include "core/threadStatic.h"
#include "unit/memoryTester.h"

using namespace UnitTesting;

//-----------------------------------------------------------------------------
// This unit test will blow up without thread static support
#ifdef TORQUE_ENABLE_THREAD_STATICS

// Declare a test thread static
DITTS( U32, gUnitTestFoo, 42 );
DITTS( F32, gUnitTestF32, 1.0 );

CreateUnitTest( TestThreadStatic, "Core/ThreadStatic" )
{
   void run()
   {
      MemoryTester m;
      m.mark();

      // ThreadStatic list should be initialized right now, so lets see if it has
      // any entries.
      test( !_TorqueThreadStaticReg::getStaticList().empty(), "Self-registration has failed, or no statics declared" );

      // Spawn a new copy.
      TorqueThreadStaticListHandle testInstance = _TorqueThreadStaticReg::spawnThreadStaticsInstance();

      // Test the copy
      test( _TorqueThreadStaticReg::getStaticList( 0 ).size() == testInstance->size(), "Spawned static list has a different size from master copy." );

      // Make sure the size test passed before this is attempted
      if( lastTestPassed() ) 
      {
         // Traverse the list and compare it to the initial value copy (index 0)
         for( S32 i = 0; i < _TorqueThreadStaticReg::getStaticList().size(); i++ )
         {
            _TorqueThreadStatic *master = _TorqueThreadStaticReg::getStaticList()[i];
            _TorqueThreadStatic *cpy = (*testInstance)[i];

            // Make sure it is not the same memory
            test( master != cpy, "Copy not spawned properly." );

            // Make sure the sizes are the same
            test( master->getMemInstSize() == cpy->getMemInstSize(), "Size mismatch between master and copy" );

            // Make sure the initialization occurred properly
            if( lastTestPassed() )
               test( dMemcmp( master->getMemInstPtr(), cpy->getMemInstPtr(), master->getMemInstSize() ) == 0, "Initial value for spawned list is not correct" );
         }
      }

      // Test metrics if enabled
#ifdef TORQUE_ENABLE_THREAD_STATIC_METRICS
      U32 fooHitCount = (*testInstance)[_gUnitTestFooTorqueThreadStatic::getListIndex()]->getHitCount();
#endif

      // Set/get some values (If we test static metrics, this is hit 1)
      ATTS_(gUnitTestFoo, 1) = 55;

      // Test to see that the master copy and the spawned copy differ
      // (If we test metrics, this is hit 2, for the instance, and hit 1 for the master)
      test( ATTS_(gUnitTestFoo, 0) != ATTS_(gUnitTestFoo, 1 ) , "Assignment for spawned instanced memory failed" );

#ifdef TORQUE_ENABLE_THREAD_STATIC_METRICS
      U32 fooHitCount2 = (*testInstance)[_gUnitTestFooTorqueThreadStatic::getListIndex()]->getHitCount();
      test( fooHitCount2 == ( fooHitCount + 2 ), "Thread static metric hit count failed" );
#endif

      // Destroy instances
      _TorqueThreadStaticReg::destroyInstance( testInstance );

      // Now test the cleanup
      test( m.check(), "Memory leak in dynamic static allocation stuff." );
   }
};

#endif // TORQUE_ENABLE_THREAD_STATICS