/*
 *  Copyright 2019-2021 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 "Buffer.h"

int TestObjectCInterface(struct IObject* pObject);
int TestDeviceObjectCInterface(struct IDeviceObject* pDeviceObject);

int TestBufferCInterface(struct IBuffer* pBuffer)
{
    IObject*                  pUnknown = NULL;
    ReferenceCounterValueType RefCnt1 = 0, RefCnt2 = 0;

    DeviceObjectAttribs Desc;
    Int32               UniqueId = 0;

    BufferDesc     BuffDesc;
    IBufferView *  pView0 = NULL, *pView1 = NULL;
    BufferViewDesc ViewDesc;
    void*          NativeHanlde;
    RESOURCE_STATE State = RESOURCE_STATE_CONSTANT_BUFFER;

    int num_errors =
        TestObjectCInterface((struct IObject*)pBuffer) +
        TestDeviceObjectCInterface((struct IDeviceObject*)pBuffer);

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

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

    Desc = *IDeviceObject_GetDesc(pBuffer);
    if (Desc.Name == NULL)
        ++num_errors;

    UniqueId = IDeviceObject_GetUniqueID(pBuffer);
    if (UniqueId == 0)
        ++num_errors;

    BuffDesc = *IBuffer_GetDesc(pBuffer);
    if (BuffDesc._DeviceObjectAttribs.Name == NULL)
        ++num_errors;

    ViewDesc._DeviceObjectAttribs.Name = "Test SRV";
    ViewDesc.ViewType                  = BUFFER_VIEW_SHADER_RESOURCE;
    ViewDesc.ByteOffset                = 64;
    ViewDesc.ByteWidth                 = 0;
    ViewDesc.Format.NumComponents      = 4;
    ViewDesc.Format.ValueType          = VT_FLOAT32;
    ViewDesc.Format.IsNormalized       = false;
    IBuffer_CreateView(pBuffer, &ViewDesc, &pView0);
    if (pView0 != NULL)
        IObject_Release(pView0);
    else
        ++num_errors;

    pView1 = IBuffer_GetDefaultView(pBuffer, BUFFER_VIEW_SHADER_RESOURCE);

    NativeHanlde = IBuffer_GetNativeHandle(pBuffer);
    if (NativeHanlde == NULL)
        ++num_errors;

    State = IBuffer_GetState(pBuffer);
    IBuffer_SetState(pBuffer, State);

    return num_errors;
}
