Differential D2153 Diff 9252 ps/trunk/source/lib/res/graphics/tests/test_tex.h

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ps/trunk/source/lib/res/graphics/tests/test_tex.h

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	#include "lib/self_test.h"			#include "lib/self_test.h"

	#include "lib/tex/tex.h"			#include "lib/tex/tex.h"
	#include "lib/tex/tex_codec.h"			#include "lib/tex/tex_codec.h"
	#include "lib/allocators/shared_ptr.h"			#include "lib/allocators/shared_ptr.h"

	class TestTex : public CxxTest::TestSuite			class TestTex : public CxxTest::TestSuite
	{			{
	void generate_encode_decode_compare(size_t w, size_t h, size_t flags, size_t bpp, const OsPath& extension)
	{
	// generate test data
	const size_t size = whbpp/8;
	shared_ptr<u8> img(new u8[size], ArrayDeleter());
	std::generate(img.get(), img.get()+size, rand);

	// create the DynArray that will be wrapped in a Tex Object
	DynArray da;

	// Once the Tex created here goes out of scope, the DynArray should be freed
	{
	// wrap in Tex
	Tex t;
	TS_ASSERT_OK(t.wrap(w, h, bpp, flags, img, 0));

	// encode to file format
	TS_ASSERT_OK(t.encode(extension, &da));
	memset(&t, 0, sizeof(t));

	// decode from file format
	shared_ptr<u8> ptr = DummySharedPtr(da.base);
	TS_ASSERT_OK(t.decode(ptr, da.cur_size));

	// make sure pixel format gets converted completely to plain
	TS_ASSERT_OK(t.transform_to(0));

	// compare img
	TS_ASSERT_SAME_DATA(t.get_data(), img.get(), size);
	}

	// cleanup
	TS_ASSERT_OK(da_free(&da));
	}

	public:			public:
	// have mipmaps be created for a test image; check resulting size and pixels			// have mipmaps be created for a test image; check resulting size and pixels
	void test_mipmap_create()			void test_mipmap_create()
	{			{
	static u8 imgData[] = { 0x10,0x20,0x30, 0x40,0x60,0x80, 0xA0,0xA4,0xA8, 0xC0,0xC1,0xC2 };			static u8 imgData[] = { 0x10,0x20,0x30, 0x40,0x60,0x80, 0xA0,0xA4,0xA8, 0xC0,0xC1,0xC2 };
	shared_ptr<u8> img = DummySharedPtr(imgData);			shared_ptr<u8> img = DummySharedPtr(imgData);
	// assumes 2x2 box filter algorithm with rounding			// assumes 2x2 box filter algorithm with rounding
	static const u8 mipmap[] = { 0x6C,0x79,0x87 };			static const u8 mipmap[] = { 0x6C,0x79,0x87 };
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