/*
 *  Copyright 2019-2020 Diligent Graphics LLC
 *  Copyright 2015-2019 Egor Yusov
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  In no event and under no legal theory, whether in tort (including negligence), 
 *  contract, or otherwise, unless required by applicable law (such as deliberate 
 *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
 *  liable for any damages, including any direct, indirect, special, incidental, 
 *  or consequential damages of any character arising as a result of this License or 
 *  out of the use or inability to use the software (including but not limited to damages 
 *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
 *  all other commercial damages or losses), even if such Contributor has been advised 
 *  of the possibility of such damages.
 */

#include "SwapChain.h"

int TestObjectCInterface(struct IObject* pObject);

int TestSwapChainCInterface(struct ISwapChain* pSwapChain)
{
    IObject*                  pUnknown = NULL;
    ReferenceCounterValueType RefCnt1 = 0, RefCnt2 = 0;

    SwapChainDesc SCDesc;
    ITextureView* pRTV = NULL;

    memset(&SCDesc, 0, sizeof(SCDesc));

    int num_errors = TestObjectCInterface((struct IObject*)pSwapChain);

    IObject_QueryInterface(pSwapChain, &IID_Unknown, &pUnknown);
    if (pUnknown != NULL)
        IObject_Release(pUnknown);
    else
        ++num_errors;

    RefCnt1 = IObject_AddRef(pSwapChain);
    if (RefCnt1 <= 1)
        ++num_errors;
    RefCnt2 = IObject_Release(pSwapChain);
    if (RefCnt2 <= 0)
        ++num_errors;
    if (RefCnt2 != RefCnt1 - 1)
        ++num_errors;

    SCDesc = *ISwapChain_GetDesc(pSwapChain);
    if (SCDesc.Width == 0)
        ++num_errors;

    pRTV = ISwapChain_GetCurrentBackBufferRTV(pSwapChain);
    if (pRTV == NULL)
        ++num_errors;

    return num_errors;
}

void TestSwapChainC_API(struct ISwapChain* pSwapChain)
{
    DisplayModeAttribs* pDisplayMode = NULL;
    ITextureView*       pDSV         = NULL;

    ISwapChain_Present(pSwapChain, 0);
    ISwapChain_Resize(pSwapChain, 1024, 768);
    ISwapChain_SetFullscreenMode(pSwapChain, pDisplayMode);
    ISwapChain_SetWindowedMode(pSwapChain);
    pDSV = ISwapChain_GetDepthBufferDSV(pSwapChain);
}
