#include "Globals.h"
#include "../TestHelpers.h"
#include "ChunkData.h"




/** Performs the entire cChunkData coordinates test. */
static void test()
{
	class cMockAllocationPool
		: public cAllocationPool<cChunkData::sChunkSection>
	{
		virtual cChunkData::sChunkSection * Allocate() override
		{
			return new cChunkData::sChunkSection();
		}

		virtual void Free(cChunkData::sChunkSection * a_Ptr) override
		{
			delete a_Ptr;
		}

		virtual bool DoIsEqual(const cAllocationPool<cChunkData::sChunkSection> &) const noexcept override
		{
			return false;
		}
	} Pool;
	{
		cChunkData buffer(Pool);

		// Empty chunks
		buffer.SetBlock({ 0, 0, 0 }, 0xAB);
		TEST_EQUAL(buffer.GetBlock({ 0, 0, 0 }), 0xAB);
		buffer.SetMeta({ 0, 16, 0 }, 0xC);
		TEST_EQUAL(buffer.GetMeta({ 0, 16, 0 }), 0xC);

		// loaded but not written segments
		TEST_EQUAL(buffer.GetBlock({ 1, 0, 0 }), 0x0);
		TEST_EQUAL(buffer.GetMeta({ 1, 16, 0 }), 0x0);

		// Notloaded segments
		TEST_EQUAL(buffer.GetBlock({ 0, 32, 0 }), 0x0);
		TEST_EQUAL(buffer.GetMeta({ 0, 48, 0 }), 0x0);

		// Out of range SetBlock
		TEST_ASSERTS(
			buffer.SetBlock({ -1, 0, 0 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetBlock({ 0, -1, 0 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetBlock({ 0, 0, -1 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetBlock({ 256, 0, 0 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetBlock({ 0, 256, 0 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetBlock({ 0, 0, 256 }, 0)
		);
		// Out of range SetMeta
		TEST_ASSERTS(
			buffer.SetMeta({ -1, 0, 0 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetMeta({ 0, -1, 0 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetMeta({ 0, 0, -1 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetMeta({ 256, 0, 0 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetMeta({ 0, 256, 0 }, 0)
		);
		TEST_ASSERTS(
			buffer.SetMeta({ 0, 0, 256 }, 0)
		);

		// Reading out of range blocks should return air
		TEST_EQUAL(buffer.GetBlock({  -1,   0,   0 }), 0);
		TEST_EQUAL(buffer.GetBlock({   0,  -1,   0 }), 0);
		TEST_EQUAL(buffer.GetBlock({   0,   0,  -1 }), 0);
		TEST_EQUAL(buffer.GetBlock({ 256,   0,   0 }), 0);
		TEST_EQUAL(buffer.GetBlock({   0, 256,   0 }), 0);
		TEST_EQUAL(buffer.GetBlock({   0,   0, 256 }), 0);

		// Reading out of range metas should return 0
		TEST_EQUAL(buffer.GetMeta({  -1,   0,   0 }), 0);
		TEST_EQUAL(buffer.GetMeta({   0,  -1,   0 }), 0);
		TEST_EQUAL(buffer.GetMeta({   0,   0,  -1 }), 0);
		TEST_EQUAL(buffer.GetMeta({ 256,   0,   0 }), 0);
		TEST_EQUAL(buffer.GetMeta({   0, 256,   0 }), 0);
		TEST_EQUAL(buffer.GetMeta({   0,   0, 256 }), 0);
	}

	{
		cChunkData buffer(Pool);

		// Zero's
		buffer.SetBlock({ 0, 0, 0 }, 0x0);
		buffer.SetBlock({ 0, 0, 1 }, 0xab);
		TEST_EQUAL(buffer.GetBlock({ 0, 0, 0 }), 0x0);
		TEST_EQUAL(buffer.GetBlock({ 0, 0, 1 }), 0xab);

		buffer.SetMeta({ 0, 16, 0 }, 0x0);
		buffer.SetMeta({ 0, 16, 1 }, 0xc);
		TEST_EQUAL(buffer.GetMeta({ 0, 16, 0 }), 0x0);
		TEST_EQUAL(buffer.GetMeta({ 0, 16, 1 }), 0xc);
	}


	{
		// Operator =
		cChunkData buffer(Pool);
		buffer.SetBlock({ 0, 0, 0 }, 0x42);
		cChunkData copy(Pool);
		copy = std::move(buffer);
		TEST_EQUAL(copy.GetBlock({ 0, 0, 0 }), 0x42);
	}
}





IMPLEMENT_TEST_MAIN("ChunkData Coordinates",
	test();
)