Function TEST

Source/UnitTest/test_encode.cpp:32–63

@brief Input overflow tests for xy * z. */

/** @brief Input overflow tests for xy * z. */
TEST(compress, overflow_in_z)
{
	astcenc_error status;
	astcenc_config config;
	astcenc_context* context;

	static const astcenc_swizzle swizzle {
		ASTCENC_SWZ_R, ASTCENC_SWZ_G, ASTCENC_SWZ_B, ASTCENC_SWZ_A
	};

	astcenc_config_init(ASTCENC_PRF_LDR, 4, 4, 1, ASTCENC_PRE_MEDIUM, 0, &config);
	status = astcenc_context_alloc(&config, 1, &context, nullptr);
	EXPECT_EQ(status, ASTCENC_SUCCESS);

	// Arrays are too short, but should never be touched
	uint8_t data[1];
	uint8_t input[1];

	astcenc_image image;
	// x * y always fits in 64-bit size_t, but xy * z will overflow
	image.dim_x = 0xFFFFFFFFu;
	image.dim_y = 0xFFFFFFFFu;
	image.dim_z = 0xFFFFFFFFu;
	image.data_type = ASTCENC_TYPE_U8;
	uint8_t* slices = input;
	image.data = reinterpret_cast<void**>(&slices);

	status = astcenc_compress_image(context, &image, &swizzle, data, -1, 0);
	EXPECT_EQ(status, ASTCENC_ERR_BAD_PARAM);

	astcenc_context_free(context);
}

/** @brief Input overflow tests for xyz * 16. */
TEST(compress, overflow_in_16)