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author | Nikolas <nikolas@boutalas.com> | 2024-10-27 12:52:55 +0200 |
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committer | Nikolas <nikolas@boutalas.com> | 2024-10-27 12:52:55 +0200 |
commit | 43394c8a8908442982e3a7e25975c31b3c952923 (patch) | |
tree | 2facd563e29f48fe3b0653ac5c113998940b4d5e /3rdparty/include/SDL2/SDL_test_fuzzer.h |
Diffstat (limited to '3rdparty/include/SDL2/SDL_test_fuzzer.h')
-rw-r--r-- | 3rdparty/include/SDL2/SDL_test_fuzzer.h | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/3rdparty/include/SDL2/SDL_test_fuzzer.h b/3rdparty/include/SDL2/SDL_test_fuzzer.h new file mode 100644 index 0000000..cb5a17a --- /dev/null +++ b/3rdparty/include/SDL2/SDL_test_fuzzer.h @@ -0,0 +1,384 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +/** + * \file SDL_test_fuzzer.h + * + * Include file for SDL test framework. + * + * This code is a part of the SDL2_test library, not the main SDL library. + */ + +/* + + Data generators for fuzzing test data in a reproducible way. + +*/ + +#ifndef SDL_test_fuzzer_h_ +#define SDL_test_fuzzer_h_ + +#include "begin_code.h" +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +extern "C" { +#endif + + +/* + Based on GSOC code by Markus Kauppila <markus.kauppila@gmail.com> +*/ + + +/** + * \file + * Note: The fuzzer implementation uses a static instance of random context + * internally which makes it thread-UNsafe. + */ + +/** + * Initializes the fuzzer for a test + * + * \param execKey Execution "Key" that initializes the random number generator uniquely for the test. + * + */ +void SDLTest_FuzzerInit(Uint64 execKey); + + +/** + * Returns a random Uint8 + * + * \returns Generated integer + */ +Uint8 SDLTest_RandomUint8(void); + +/** + * Returns a random Sint8 + * + * \returns Generated signed integer + */ +Sint8 SDLTest_RandomSint8(void); + + +/** + * Returns a random Uint16 + * + * \returns Generated integer + */ +Uint16 SDLTest_RandomUint16(void); + +/** + * Returns a random Sint16 + * + * \returns Generated signed integer + */ +Sint16 SDLTest_RandomSint16(void); + + +/** + * Returns a random integer + * + * \returns Generated integer + */ +Sint32 SDLTest_RandomSint32(void); + + +/** + * Returns a random positive integer + * + * \returns Generated integer + */ +Uint32 SDLTest_RandomUint32(void); + +/** + * Returns random Uint64. + * + * \returns Generated integer + */ +Uint64 SDLTest_RandomUint64(void); + + +/** + * Returns random Sint64. + * + * \returns Generated signed integer + */ +Sint64 SDLTest_RandomSint64(void); + +/** + * \returns random float in range [0.0 - 1.0[ + */ +float SDLTest_RandomUnitFloat(void); + +/** + * \returns random double in range [0.0 - 1.0[ + */ +double SDLTest_RandomUnitDouble(void); + +/** + * \returns random float. + * + */ +float SDLTest_RandomFloat(void); + +/** + * \returns random double. + * + */ +double SDLTest_RandomDouble(void); + +/** + * Returns a random boundary value for Uint8 within the given boundaries. + * Boundaries are inclusive, see the usage examples below. If validDomain + * is true, the function will only return valid boundaries, otherwise non-valid + * boundaries are also possible. + * If boundary1 > boundary2, the values are swapped + * + * Usage examples: + * RandomUint8BoundaryValue(10, 20, SDL_TRUE) returns 10, 11, 19 or 20 + * RandomUint8BoundaryValue(1, 20, SDL_FALSE) returns 0 or 21 + * RandomUint8BoundaryValue(0, 99, SDL_FALSE) returns 100 + * RandomUint8BoundaryValue(0, 255, SDL_FALSE) returns 0 (error set) + * + * \param boundary1 Lower boundary limit + * \param boundary2 Upper boundary limit + * \param validDomain Should the generated boundary be valid (=within the bounds) or not? + * + * \returns Random boundary value for the given range and domain or 0 with error set + */ +Uint8 SDLTest_RandomUint8BoundaryValue(Uint8 boundary1, Uint8 boundary2, SDL_bool validDomain); + +/** + * Returns a random boundary value for Uint16 within the given boundaries. + * Boundaries are inclusive, see the usage examples below. If validDomain + * is true, the function will only return valid boundaries, otherwise non-valid + * boundaries are also possible. + * If boundary1 > boundary2, the values are swapped + * + * Usage examples: + * RandomUint16BoundaryValue(10, 20, SDL_TRUE) returns 10, 11, 19 or 20 + * RandomUint16BoundaryValue(1, 20, SDL_FALSE) returns 0 or 21 + * RandomUint16BoundaryValue(0, 99, SDL_FALSE) returns 100 + * RandomUint16BoundaryValue(0, 0xFFFF, SDL_FALSE) returns 0 (error set) + * + * \param boundary1 Lower boundary limit + * \param boundary2 Upper boundary limit + * \param validDomain Should the generated boundary be valid (=within the bounds) or not? + * + * \returns Random boundary value for the given range and domain or 0 with error set + */ +Uint16 SDLTest_RandomUint16BoundaryValue(Uint16 boundary1, Uint16 boundary2, SDL_bool validDomain); + +/** + * Returns a random boundary value for Uint32 within the given boundaries. + * Boundaries are inclusive, see the usage examples below. If validDomain + * is true, the function will only return valid boundaries, otherwise non-valid + * boundaries are also possible. + * If boundary1 > boundary2, the values are swapped + * + * Usage examples: + * RandomUint32BoundaryValue(10, 20, SDL_TRUE) returns 10, 11, 19 or 20 + * RandomUint32BoundaryValue(1, 20, SDL_FALSE) returns 0 or 21 + * RandomUint32BoundaryValue(0, 99, SDL_FALSE) returns 100 + * RandomUint32BoundaryValue(0, 0xFFFFFFFF, SDL_FALSE) returns 0 (with error set) + * + * \param boundary1 Lower boundary limit + * \param boundary2 Upper boundary limit + * \param validDomain Should the generated boundary be valid (=within the bounds) or not? + * + * \returns Random boundary value for the given range and domain or 0 with error set + */ +Uint32 SDLTest_RandomUint32BoundaryValue(Uint32 boundary1, Uint32 boundary2, SDL_bool validDomain); + +/** + * Returns a random boundary value for Uint64 within the given boundaries. + * Boundaries are inclusive, see the usage examples below. If validDomain + * is true, the function will only return valid boundaries, otherwise non-valid + * boundaries are also possible. + * If boundary1 > boundary2, the values are swapped + * + * Usage examples: + * RandomUint64BoundaryValue(10, 20, SDL_TRUE) returns 10, 11, 19 or 20 + * RandomUint64BoundaryValue(1, 20, SDL_FALSE) returns 0 or 21 + * RandomUint64BoundaryValue(0, 99, SDL_FALSE) returns 100 + * RandomUint64BoundaryValue(0, 0xFFFFFFFFFFFFFFFF, SDL_FALSE) returns 0 (with error set) + * + * \param boundary1 Lower boundary limit + * \param boundary2 Upper boundary limit + * \param validDomain Should the generated boundary be valid (=within the bounds) or not? + * + * \returns Random boundary value for the given range and domain or 0 with error set + */ +Uint64 SDLTest_RandomUint64BoundaryValue(Uint64 boundary1, Uint64 boundary2, SDL_bool validDomain); + +/** + * Returns a random boundary value for Sint8 within the given boundaries. + * Boundaries are inclusive, see the usage examples below. If validDomain + * is true, the function will only return valid boundaries, otherwise non-valid + * boundaries are also possible. + * If boundary1 > boundary2, the values are swapped + * + * Usage examples: + * RandomSint8BoundaryValue(-10, 20, SDL_TRUE) returns -11, -10, 19 or 20 + * RandomSint8BoundaryValue(-100, -10, SDL_FALSE) returns -101 or -9 + * RandomSint8BoundaryValue(SINT8_MIN, 99, SDL_FALSE) returns 100 + * RandomSint8BoundaryValue(SINT8_MIN, SINT8_MAX, SDL_FALSE) returns SINT8_MIN (== error value) with error set + * + * \param boundary1 Lower boundary limit + * \param boundary2 Upper boundary limit + * \param validDomain Should the generated boundary be valid (=within the bounds) or not? + * + * \returns Random boundary value for the given range and domain or SINT8_MIN with error set + */ +Sint8 SDLTest_RandomSint8BoundaryValue(Sint8 boundary1, Sint8 boundary2, SDL_bool validDomain); + + +/** + * Returns a random boundary value for Sint16 within the given boundaries. + * Boundaries are inclusive, see the usage examples below. If validDomain + * is true, the function will only return valid boundaries, otherwise non-valid + * boundaries are also possible. + * If boundary1 > boundary2, the values are swapped + * + * Usage examples: + * RandomSint16BoundaryValue(-10, 20, SDL_TRUE) returns -11, -10, 19 or 20 + * RandomSint16BoundaryValue(-100, -10, SDL_FALSE) returns -101 or -9 + * RandomSint16BoundaryValue(SINT16_MIN, 99, SDL_FALSE) returns 100 + * RandomSint16BoundaryValue(SINT16_MIN, SINT16_MAX, SDL_FALSE) returns SINT16_MIN (== error value) with error set + * + * \param boundary1 Lower boundary limit + * \param boundary2 Upper boundary limit + * \param validDomain Should the generated boundary be valid (=within the bounds) or not? + * + * \returns Random boundary value for the given range and domain or SINT16_MIN with error set + */ +Sint16 SDLTest_RandomSint16BoundaryValue(Sint16 boundary1, Sint16 boundary2, SDL_bool validDomain); + +/** + * Returns a random boundary value for Sint32 within the given boundaries. + * Boundaries are inclusive, see the usage examples below. If validDomain + * is true, the function will only return valid boundaries, otherwise non-valid + * boundaries are also possible. + * If boundary1 > boundary2, the values are swapped + * + * Usage examples: + * RandomSint32BoundaryValue(-10, 20, SDL_TRUE) returns -11, -10, 19 or 20 + * RandomSint32BoundaryValue(-100, -10, SDL_FALSE) returns -101 or -9 + * RandomSint32BoundaryValue(SINT32_MIN, 99, SDL_FALSE) returns 100 + * RandomSint32BoundaryValue(SINT32_MIN, SINT32_MAX, SDL_FALSE) returns SINT32_MIN (== error value) + * + * \param boundary1 Lower boundary limit + * \param boundary2 Upper boundary limit + * \param validDomain Should the generated boundary be valid (=within the bounds) or not? + * + * \returns Random boundary value for the given range and domain or SINT32_MIN with error set + */ +Sint32 SDLTest_RandomSint32BoundaryValue(Sint32 boundary1, Sint32 boundary2, SDL_bool validDomain); + +/** + * Returns a random boundary value for Sint64 within the given boundaries. + * Boundaries are inclusive, see the usage examples below. If validDomain + * is true, the function will only return valid boundaries, otherwise non-valid + * boundaries are also possible. + * If boundary1 > boundary2, the values are swapped + * + * Usage examples: + * RandomSint64BoundaryValue(-10, 20, SDL_TRUE) returns -11, -10, 19 or 20 + * RandomSint64BoundaryValue(-100, -10, SDL_FALSE) returns -101 or -9 + * RandomSint64BoundaryValue(SINT64_MIN, 99, SDL_FALSE) returns 100 + * RandomSint64BoundaryValue(SINT64_MIN, SINT64_MAX, SDL_FALSE) returns SINT64_MIN (== error value) and error set + * + * \param boundary1 Lower boundary limit + * \param boundary2 Upper boundary limit + * \param validDomain Should the generated boundary be valid (=within the bounds) or not? + * + * \returns Random boundary value for the given range and domain or SINT64_MIN with error set + */ +Sint64 SDLTest_RandomSint64BoundaryValue(Sint64 boundary1, Sint64 boundary2, SDL_bool validDomain); + + +/** + * Returns integer in range [min, max] (inclusive). + * Min and max values can be negative values. + * If Max in smaller than min, then the values are swapped. + * Min and max are the same value, that value will be returned. + * + * \param min Minimum inclusive value of returned random number + * \param max Maximum inclusive value of returned random number + * + * \returns Generated random integer in range + */ +Sint32 SDLTest_RandomIntegerInRange(Sint32 min, Sint32 max); + + +/** + * Generates random null-terminated string. The minimum length for + * the string is 1 character, maximum length for the string is 255 + * characters and it can contain ASCII characters from 32 to 126. + * + * Note: Returned string needs to be deallocated. + * + * \returns Newly allocated random string; or NULL if length was invalid or string could not be allocated. + */ +char * SDLTest_RandomAsciiString(void); + + +/** + * Generates random null-terminated string. The maximum length for + * the string is defined by the maxLength parameter. + * String can contain ASCII characters from 32 to 126. + * + * Note: Returned string needs to be deallocated. + * + * \param maxLength The maximum length of the generated string. + * + * \returns Newly allocated random string; or NULL if maxLength was invalid or string could not be allocated. + */ +char * SDLTest_RandomAsciiStringWithMaximumLength(int maxLength); + + +/** + * Generates random null-terminated string. The length for + * the string is defined by the size parameter. + * String can contain ASCII characters from 32 to 126. + * + * Note: Returned string needs to be deallocated. + * + * \param size The length of the generated string + * + * \returns Newly allocated random string; or NULL if size was invalid or string could not be allocated. + */ +char * SDLTest_RandomAsciiStringOfSize(int size); + +/** + * Returns the invocation count for the fuzzer since last ...FuzzerInit. + */ +int SDLTest_GetFuzzerInvocationCount(void); + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +} +#endif +#include "close_code.h" + +#endif /* SDL_test_fuzzer_h_ */ + +/* vi: set ts=4 sw=4 expandtab: */ |