/*-------------------------------------------------------------------------
 * Vulkan Conformance Tests
 * ------------------------
 *
 * Copyright (c) 2016 The Khronos Group Inc.
 *
 * 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.
 *
 *//*!
 * \file
 * \brief Null handle tests
 *//*--------------------------------------------------------------------*/

#include "vktApiNullHandleTests.hpp"
#include "vktTestCaseUtil.hpp"
#include "vktTestGroupUtil.hpp"

#include "vkDefs.hpp"
#include "vkRef.hpp"
#include "vkRefUtil.hpp"
#include "vkAllocationCallbackUtil.hpp"

namespace vkt
{
namespace api
{
namespace
{

using namespace vk;

inline void release (Context& context, VkBuffer buffer, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyBuffer(context.getDevice(), buffer, pAllocator);
}

inline void release (Context& context, VkBufferView bufferView, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyBufferView(context.getDevice(), bufferView, pAllocator);
}

inline void release (Context& context, VkCommandPool commandPool, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyCommandPool(context.getDevice(), commandPool, pAllocator);
}

inline void release (Context& context, VkDescriptorPool descriptorPool, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyDescriptorPool(context.getDevice(), descriptorPool, pAllocator);
}

inline void release (Context& context, VkDescriptorSetLayout descriptorSetLayout, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyDescriptorSetLayout(context.getDevice(), descriptorSetLayout, pAllocator);
}

inline void release (Context& context, VkDevice device, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyDevice(device, pAllocator);
}

inline void release (Context& context, VkEvent event, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyEvent(context.getDevice(), event, pAllocator);
}

inline void release (Context& context, VkFence fence, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyFence(context.getDevice(), fence, pAllocator);
}

inline void release (Context& context, VkFramebuffer framebuffer, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyFramebuffer(context.getDevice(), framebuffer, pAllocator);
}

inline void release (Context& context, VkImage image, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyImage(context.getDevice(), image, pAllocator);
}

inline void release (Context& context, VkImageView imageView, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyImageView(context.getDevice(), imageView, pAllocator);
}

inline void release (Context& context, VkInstance instance, const VkAllocationCallbacks* pAllocator)
{
	context.getInstanceInterface().destroyInstance(instance, pAllocator);
}

inline void release (Context& context, VkPipeline pipeline, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyPipeline(context.getDevice(), pipeline, pAllocator);
}

inline void release (Context& context, VkPipelineCache pipelineCache, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyPipelineCache(context.getDevice(), pipelineCache, pAllocator);
}

inline void release (Context& context, VkPipelineLayout pipelineLayout, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyPipelineLayout(context.getDevice(), pipelineLayout, pAllocator);
}

inline void release (Context& context, VkQueryPool queryPool, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyQueryPool(context.getDevice(), queryPool, pAllocator);
}

inline void release (Context& context, VkRenderPass renderPass, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyRenderPass(context.getDevice(), renderPass, pAllocator);
}

inline void release (Context& context, VkSampler sampler, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroySampler(context.getDevice(), sampler, pAllocator);
}

inline void release (Context& context, VkSemaphore semaphore, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroySemaphore(context.getDevice(), semaphore, pAllocator);
}

inline void release (Context& context, VkShaderModule shaderModule, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().destroyShaderModule(context.getDevice(), shaderModule, pAllocator);
}

inline void release (Context& context, VkDevice device, VkCommandPool cmdPool, deUint32 numCmdBuffers, const VkCommandBuffer* pCmdBuffers)
{
	DE_ASSERT(device		!= DE_NULL);
	DE_ASSERT(cmdPool		!= DE_NULL);
	DE_ASSERT(numCmdBuffers	>  0u);
	context.getDeviceInterface().freeCommandBuffers(device, cmdPool, numCmdBuffers, pCmdBuffers);
}

inline void release (Context& context, VkDevice device, VkDescriptorPool descriptorPool, deUint32 numDescriptorSets, const VkDescriptorSet* pDescriptorSets)
{
	DE_ASSERT(device			!= DE_NULL);
	DE_ASSERT(descriptorPool	!= DE_NULL);
	DE_ASSERT(numDescriptorSets	>  0u);
	context.getDeviceInterface().freeDescriptorSets(device, descriptorPool, numDescriptorSets, pDescriptorSets);
}

inline void release (Context& context, VkDeviceMemory memory, const VkAllocationCallbacks* pAllocator)
{
	context.getDeviceInterface().freeMemory(context.getDevice(), memory, pAllocator);
}

tcu::TestStatus reportStatus (const bool success)
{
	if (success)
		return tcu::TestStatus::pass("OK: no observable change");
	else
		return tcu::TestStatus::fail("Implementation allocated/freed the memory");
}

template<typename Object>
tcu::TestStatus test (Context& context)
{
	const Object					nullHandle			= DE_NULL;
	const VkAllocationCallbacks*	pNullAllocator		= DE_NULL;
	AllocationCallbackRecorder		recordingAllocator	(getSystemAllocator(), 1u);

	// Implementation should silently ignore a delete/free of a NULL handle.

	release(context, nullHandle, pNullAllocator);
	release(context, nullHandle, recordingAllocator.getCallbacks());

	return reportStatus(recordingAllocator.getNumRecords() == 0);
}

template<>
tcu::TestStatus test<VkCommandBuffer> (Context& context)
{
	const DeviceInterface&			vk					= context.getDeviceInterface();
	const VkDevice					device				= context.getDevice();
	const deUint32					queueFamilyIndex	= context.getUniversalQueueFamilyIndex();

	const VkCommandPoolCreateInfo	cmdPoolCreateInfo =
	{
		VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,		// VkStructureType             sType;
		DE_NULL,										// const void*                 pNext;
		VK_COMMAND_POOL_CREATE_TRANSIENT_BIT,			// VkCommandPoolCreateFlags    flags;
		queueFamilyIndex,								// uint32_t                    queueFamilyIndex;
	};

	const VkCommandBuffer			pNullHandles[]		= { DE_NULL, DE_NULL, DE_NULL };
	const deUint32					numHandles			= static_cast<deUint32>(DE_LENGTH_OF_ARRAY(pNullHandles));

	// Default allocator
	{
		const Unique<VkCommandPool>		cmdPool				(createCommandPool(vk, device, &cmdPoolCreateInfo));

		release(context, device, *cmdPool, numHandles, pNullHandles);
	}

	// Custom allocator
	{
		AllocationCallbackRecorder		recordingAllocator	(getSystemAllocator(), 1u);
		const Unique<VkCommandPool>		cmdPool				(createCommandPool(vk, device, &cmdPoolCreateInfo, recordingAllocator.getCallbacks()));
		const std::size_t				numInitialRecords	= recordingAllocator.getNumRecords();

		release(context, device, *cmdPool, numHandles, pNullHandles);

		return reportStatus(numInitialRecords == recordingAllocator.getNumRecords());
	}
}

template<>
tcu::TestStatus test<VkDescriptorSet> (Context& context)
{
	const DeviceInterface&				vk					= context.getDeviceInterface();
	const VkDevice						device				= context.getDevice();

	const VkDescriptorPoolSize			pPoolSizes[] =
	{
		// type, descriptorCount
		{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,	2u },	// arbitrary values
		{ VK_DESCRIPTOR_TYPE_SAMPLER,			1u },
		{ VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,		3u },
	};
	const VkDescriptorPoolCreateInfo	descriptorPoolCreateInfo =
	{
		VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,				// VkStructureType                sType;
		DE_NULL,													// const void*                    pNext;
		VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT,			// VkDescriptorPoolCreateFlags    flags;
		2u,															// uint32_t                       maxSets;
		static_cast<deUint32>(DE_LENGTH_OF_ARRAY(pPoolSizes)),		// uint32_t                       poolSizeCount;
		pPoolSizes,													// const VkDescriptorPoolSize*    pPoolSizes;
	};

	const VkDescriptorSet				pNullHandles[]	= { DE_NULL, DE_NULL, DE_NULL };
	const deUint32						numHandles		= static_cast<deUint32>(DE_LENGTH_OF_ARRAY(pNullHandles));

	// Default allocator
	{
		const Unique<VkDescriptorPool>	descriptorPool		(createDescriptorPool(vk, device, &descriptorPoolCreateInfo));

		release(context, device, *descriptorPool, numHandles, pNullHandles);
	}

	// Custom allocator
	{
		AllocationCallbackRecorder		recordingAllocator	(getSystemAllocator(), 1u);
		const Unique<VkDescriptorPool>	descriptorPool		(createDescriptorPool(vk, device, &descriptorPoolCreateInfo, recordingAllocator.getCallbacks()));
		const std::size_t				numInitialRecords	= recordingAllocator.getNumRecords();

		release(context, device, *descriptorPool, numHandles, pNullHandles);

		return reportStatus(numInitialRecords == recordingAllocator.getNumRecords());
	}
}

void addTestsToGroup (tcu::TestCaseGroup* group)
{
	addFunctionCase(group,	"destroy_buffer",					"",		test<VkBuffer>);
	addFunctionCase(group,	"destroy_buffer_view",				"",		test<VkBufferView>);
	addFunctionCase(group,	"destroy_command_pool",				"",		test<VkCommandPool>);
	addFunctionCase(group,	"destroy_descriptor_pool",			"",		test<VkDescriptorPool>);
	addFunctionCase(group,	"destroy_descriptor_set_layout",	"",		test<VkDescriptorSetLayout>);
	addFunctionCase(group,	"destroy_device",					"",		test<VkDevice>);
	addFunctionCase(group,	"destroy_event",					"",		test<VkEvent>);
	addFunctionCase(group,	"destroy_fence",					"",		test<VkFence>);
	addFunctionCase(group,	"destroy_framebuffer",				"",		test<VkFramebuffer>);
	addFunctionCase(group,	"destroy_image",					"",		test<VkImage>);
	addFunctionCase(group,	"destroy_image_view",				"",		test<VkImageView>);
	addFunctionCase(group,	"destroy_instance",					"",		test<VkInstance>);
	addFunctionCase(group,	"destroy_pipeline",					"",		test<VkPipeline>);
	addFunctionCase(group,	"destroy_pipeline_cache",			"",		test<VkPipelineCache>);
	addFunctionCase(group,	"destroy_pipeline_layout",			"",		test<VkPipelineLayout>);
	addFunctionCase(group,	"destroy_query_pool",				"",		test<VkQueryPool>);
	addFunctionCase(group,	"destroy_render_pass",				"",		test<VkRenderPass>);
	addFunctionCase(group,	"destroy_sampler",					"",		test<VkSampler>);
	addFunctionCase(group,	"destroy_semaphore",				"",		test<VkSemaphore>);
	addFunctionCase(group,	"destroy_shader_module",			"",		test<VkShaderModule>);
	addFunctionCase(group,	"free_command_buffers",				"",		test<VkCommandBuffer>);
	addFunctionCase(group,	"free_descriptor_sets",				"",		test<VkDescriptorSet>);
	addFunctionCase(group,	"free_memory",						"",		test<VkDeviceMemory>);
}

} // anonymous

tcu::TestCaseGroup* createNullHandleTests (tcu::TestContext& testCtx)
{
	return createTestGroup(testCtx, "null_handle", "Destroying/freeing a VK_NULL_HANDLE should be silently ignored", addTestsToGroup);
}

} // api
} // vkt