Function TestInvalidAllocations

src/Tests.cpp:3073–3120

}

static void TestInvalidAllocations()
{
    VkResult res;

    VmaAllocationCreateInfo allocCreateInfo = {};

    // Try to allocate 0 bytes.
    {
        VkMemoryRequirements memReq = {};
        memReq.size = 0; // !!!
        memReq.alignment = 4;
        memReq.memoryTypeBits = UINT32_MAX;
        VmaAllocation alloc = VK_NULL_HANDLE;
        res = vmaAllocateMemory(g_hAllocator, &memReq, &allocCreateInfo, &alloc, nullptr);
        TEST(res == VK_ERROR_INITIALIZATION_FAILED && alloc == VK_NULL_HANDLE);
    }

    // Try to create buffer with size = 0.
    {
        VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };
        bufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
        bufCreateInfo.size = 0; // !!!
        VkBuffer buf = VK_NULL_HANDLE;
        VmaAllocation alloc = VK_NULL_HANDLE;
        res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, nullptr);
        TEST(res == VK_ERROR_INITIALIZATION_FAILED && buf == VK_NULL_HANDLE && alloc == VK_NULL_HANDLE);
    }

    // Try to create image with one dimension = 0.
    {
        VkImageCreateInfo imageCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };
        imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
        imageCreateInfo.format = VK_FORMAT_B8G8R8A8_UNORM;
        imageCreateInfo.extent.width = 128;
        imageCreateInfo.extent.height = 0; // !!!
        imageCreateInfo.extent.depth = 1;
        imageCreateInfo.mipLevels = 1;
        imageCreateInfo.arrayLayers = 1;
        imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
        imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
        imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
        imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
        VkImage image = VK_NULL_HANDLE;
        VmaAllocation alloc = VK_NULL_HANDLE;
        res = vmaCreateImage(g_hAllocator, &imageCreateInfo, &allocCreateInfo, &image, &alloc, nullptr);
        TEST(res == VK_ERROR_INITIALIZATION_FAILED && image == VK_NULL_HANDLE && alloc == VK_NULL_HANDLE);
    }
}

static void TestMemoryRequirements()
{