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386 lines
13 KiB
386 lines
13 KiB
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* \file SDL_test_fuzzer.h
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*
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* Include file for SDL test framework.
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*
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* This code is a part of the SDL2_test library, not the main SDL library.
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*/
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/*
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Data generators for fuzzing test data in a reproducible way.
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*/
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#ifndef SDL_test_fuzzer_h_
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#define SDL_test_fuzzer_h_
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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Based on GSOC code by Markus Kauppila <markus.kauppila@gmail.com>
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*/
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/**
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* \file
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* Note: The fuzzer implementation uses a static instance of random context
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* internally which makes it thread-UNsafe.
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*/
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/**
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* Initializes the fuzzer for a test
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*
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* \param execKey Execution "Key" that initializes the random number generator uniquely for the test.
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*
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*/
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void SDLTest_FuzzerInit(Uint64 execKey);
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/**
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* Returns a random Uint8
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*
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* \returns a generated integer
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*/
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Uint8 SDLTest_RandomUint8(void);
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/**
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* Returns a random Sint8
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*
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* \returns a generated signed integer
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*/
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Sint8 SDLTest_RandomSint8(void);
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/**
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* Returns a random Uint16
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*
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* \returns a generated integer
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*/
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Uint16 SDLTest_RandomUint16(void);
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/**
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* Returns a random Sint16
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*
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* \returns a generated signed integer
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*/
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Sint16 SDLTest_RandomSint16(void);
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/**
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* Returns a random integer
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*
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* \returns a generated integer
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*/
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Sint32 SDLTest_RandomSint32(void);
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/**
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* Returns a random positive integer
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*
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* \returns a generated integer
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*/
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Uint32 SDLTest_RandomUint32(void);
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/**
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* Returns random Uint64.
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*
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* \returns a generated integer
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*/
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Uint64 SDLTest_RandomUint64(void);
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/**
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* Returns random Sint64.
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*
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* \returns a generated signed integer
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*/
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Sint64 SDLTest_RandomSint64(void);
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/**
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* \returns a random float in range [0.0 - 1.0]
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*/
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float SDLTest_RandomUnitFloat(void);
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/**
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* \returns a random double in range [0.0 - 1.0]
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*/
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double SDLTest_RandomUnitDouble(void);
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/**
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* \returns a random float.
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*
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*/
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float SDLTest_RandomFloat(void);
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/**
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* \returns a random double.
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*
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*/
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double SDLTest_RandomDouble(void);
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/**
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* Returns a random boundary value for Uint8 within the given boundaries.
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* Boundaries are inclusive, see the usage examples below. If validDomain
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* is true, the function will only return valid boundaries, otherwise non-valid
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* boundaries are also possible.
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* If boundary1 > boundary2, the values are swapped
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*
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* Usage examples:
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* RandomUint8BoundaryValue(10, 20, SDL_TRUE) returns 10, 11, 19 or 20
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* RandomUint8BoundaryValue(1, 20, SDL_FALSE) returns 0 or 21
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* RandomUint8BoundaryValue(0, 99, SDL_FALSE) returns 100
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* RandomUint8BoundaryValue(0, 255, SDL_FALSE) returns 0 (error set)
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*
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* \param boundary1 Lower boundary limit
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* \param boundary2 Upper boundary limit
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* \param validDomain Should the generated boundary be valid (=within the bounds) or not?
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*
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* \returns a random boundary value for the given range and domain or 0 with error set
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*/
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Uint8 SDLTest_RandomUint8BoundaryValue(Uint8 boundary1, Uint8 boundary2, SDL_bool validDomain);
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/**
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* Returns a random boundary value for Uint16 within the given boundaries.
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* Boundaries are inclusive, see the usage examples below. If validDomain
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* is true, the function will only return valid boundaries, otherwise non-valid
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* boundaries are also possible.
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* If boundary1 > boundary2, the values are swapped
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*
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* Usage examples:
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* RandomUint16BoundaryValue(10, 20, SDL_TRUE) returns 10, 11, 19 or 20
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* RandomUint16BoundaryValue(1, 20, SDL_FALSE) returns 0 or 21
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* RandomUint16BoundaryValue(0, 99, SDL_FALSE) returns 100
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* RandomUint16BoundaryValue(0, 0xFFFF, SDL_FALSE) returns 0 (error set)
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*
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* \param boundary1 Lower boundary limit
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* \param boundary2 Upper boundary limit
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* \param validDomain Should the generated boundary be valid (=within the bounds) or not?
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*
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* \returns a random boundary value for the given range and domain or 0 with error set
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*/
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Uint16 SDLTest_RandomUint16BoundaryValue(Uint16 boundary1, Uint16 boundary2, SDL_bool validDomain);
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/**
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* Returns a random boundary value for Uint32 within the given boundaries.
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* Boundaries are inclusive, see the usage examples below. If validDomain
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* is true, the function will only return valid boundaries, otherwise non-valid
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* boundaries are also possible.
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* If boundary1 > boundary2, the values are swapped
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*
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* Usage examples:
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* RandomUint32BoundaryValue(10, 20, SDL_TRUE) returns 10, 11, 19 or 20
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* RandomUint32BoundaryValue(1, 20, SDL_FALSE) returns 0 or 21
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* RandomUint32BoundaryValue(0, 99, SDL_FALSE) returns 100
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* RandomUint32BoundaryValue(0, 0xFFFFFFFF, SDL_FALSE) returns 0 (with error set)
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*
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* \param boundary1 Lower boundary limit
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* \param boundary2 Upper boundary limit
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* \param validDomain Should the generated boundary be valid (=within the bounds) or not?
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*
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* \returns a random boundary value for the given range and domain or 0 with error set
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*/
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Uint32 SDLTest_RandomUint32BoundaryValue(Uint32 boundary1, Uint32 boundary2, SDL_bool validDomain);
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/**
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* Returns a random boundary value for Uint64 within the given boundaries.
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* Boundaries are inclusive, see the usage examples below. If validDomain
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* is true, the function will only return valid boundaries, otherwise non-valid
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* boundaries are also possible.
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* If boundary1 > boundary2, the values are swapped
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*
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* Usage examples:
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* RandomUint64BoundaryValue(10, 20, SDL_TRUE) returns 10, 11, 19 or 20
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* RandomUint64BoundaryValue(1, 20, SDL_FALSE) returns 0 or 21
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* RandomUint64BoundaryValue(0, 99, SDL_FALSE) returns 100
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* RandomUint64BoundaryValue(0, 0xFFFFFFFFFFFFFFFF, SDL_FALSE) returns 0 (with error set)
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*
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* \param boundary1 Lower boundary limit
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* \param boundary2 Upper boundary limit
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* \param validDomain Should the generated boundary be valid (=within the bounds) or not?
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*
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* \returns a random boundary value for the given range and domain or 0 with error set
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*/
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Uint64 SDLTest_RandomUint64BoundaryValue(Uint64 boundary1, Uint64 boundary2, SDL_bool validDomain);
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/**
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* Returns a random boundary value for Sint8 within the given boundaries.
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* Boundaries are inclusive, see the usage examples below. If validDomain
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* is true, the function will only return valid boundaries, otherwise non-valid
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* boundaries are also possible.
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* If boundary1 > boundary2, the values are swapped
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*
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* Usage examples:
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* RandomSint8BoundaryValue(-10, 20, SDL_TRUE) returns -11, -10, 19 or 20
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* RandomSint8BoundaryValue(-100, -10, SDL_FALSE) returns -101 or -9
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* RandomSint8BoundaryValue(SINT8_MIN, 99, SDL_FALSE) returns 100
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* RandomSint8BoundaryValue(SINT8_MIN, SINT8_MAX, SDL_FALSE) returns SINT8_MIN (== error value) with error set
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*
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* \param boundary1 Lower boundary limit
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* \param boundary2 Upper boundary limit
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* \param validDomain Should the generated boundary be valid (=within the bounds) or not?
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*
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* \returns a random boundary value for the given range and domain or SINT8_MIN with error set
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*/
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Sint8 SDLTest_RandomSint8BoundaryValue(Sint8 boundary1, Sint8 boundary2, SDL_bool validDomain);
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/**
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* Returns a random boundary value for Sint16 within the given boundaries.
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* Boundaries are inclusive, see the usage examples below. If validDomain
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* is true, the function will only return valid boundaries, otherwise non-valid
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* boundaries are also possible.
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* If boundary1 > boundary2, the values are swapped
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*
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* Usage examples:
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* RandomSint16BoundaryValue(-10, 20, SDL_TRUE) returns -11, -10, 19 or 20
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* RandomSint16BoundaryValue(-100, -10, SDL_FALSE) returns -101 or -9
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* RandomSint16BoundaryValue(SINT16_MIN, 99, SDL_FALSE) returns 100
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* RandomSint16BoundaryValue(SINT16_MIN, SINT16_MAX, SDL_FALSE) returns SINT16_MIN (== error value) with error set
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*
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* \param boundary1 Lower boundary limit
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* \param boundary2 Upper boundary limit
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* \param validDomain Should the generated boundary be valid (=within the bounds) or not?
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*
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* \returns a random boundary value for the given range and domain or SINT16_MIN with error set
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*/
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Sint16 SDLTest_RandomSint16BoundaryValue(Sint16 boundary1, Sint16 boundary2, SDL_bool validDomain);
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/**
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* Returns a random boundary value for Sint32 within the given boundaries.
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* Boundaries are inclusive, see the usage examples below. If validDomain
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* is true, the function will only return valid boundaries, otherwise non-valid
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* boundaries are also possible.
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* If boundary1 > boundary2, the values are swapped
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*
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* Usage examples:
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* RandomSint32BoundaryValue(-10, 20, SDL_TRUE) returns -11, -10, 19 or 20
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* RandomSint32BoundaryValue(-100, -10, SDL_FALSE) returns -101 or -9
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* RandomSint32BoundaryValue(SINT32_MIN, 99, SDL_FALSE) returns 100
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* RandomSint32BoundaryValue(SINT32_MIN, SINT32_MAX, SDL_FALSE) returns SINT32_MIN (== error value)
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*
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* \param boundary1 Lower boundary limit
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* \param boundary2 Upper boundary limit
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* \param validDomain Should the generated boundary be valid (=within the bounds) or not?
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*
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* \returns a random boundary value for the given range and domain or SINT32_MIN with error set
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*/
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Sint32 SDLTest_RandomSint32BoundaryValue(Sint32 boundary1, Sint32 boundary2, SDL_bool validDomain);
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/**
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* Returns a random boundary value for Sint64 within the given boundaries.
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* Boundaries are inclusive, see the usage examples below. If validDomain
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* is true, the function will only return valid boundaries, otherwise non-valid
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* boundaries are also possible.
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* If boundary1 > boundary2, the values are swapped
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*
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* Usage examples:
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* RandomSint64BoundaryValue(-10, 20, SDL_TRUE) returns -11, -10, 19 or 20
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* RandomSint64BoundaryValue(-100, -10, SDL_FALSE) returns -101 or -9
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* RandomSint64BoundaryValue(SINT64_MIN, 99, SDL_FALSE) returns 100
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* RandomSint64BoundaryValue(SINT64_MIN, SINT64_MAX, SDL_FALSE) returns SINT64_MIN (== error value) and error set
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*
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* \param boundary1 Lower boundary limit
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* \param boundary2 Upper boundary limit
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* \param validDomain Should the generated boundary be valid (=within the bounds) or not?
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*
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* \returns a random boundary value for the given range and domain or SINT64_MIN with error set
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*/
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Sint64 SDLTest_RandomSint64BoundaryValue(Sint64 boundary1, Sint64 boundary2, SDL_bool validDomain);
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/**
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* Returns integer in range [min, max] (inclusive).
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* Min and max values can be negative values.
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* If Max in smaller than min, then the values are swapped.
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* Min and max are the same value, that value will be returned.
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*
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* \param min Minimum inclusive value of returned random number
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* \param max Maximum inclusive value of returned random number
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*
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* \returns a generated random integer in range
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*/
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Sint32 SDLTest_RandomIntegerInRange(Sint32 min, Sint32 max);
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/**
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* Generates random null-terminated string. The minimum length for
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* the string is 1 character, maximum length for the string is 255
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* characters and it can contain ASCII characters from 32 to 126.
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*
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* Note: Returned string needs to be deallocated.
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*
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* \returns a newly allocated random string; or NULL if length was invalid or string could not be allocated.
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*/
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char * SDLTest_RandomAsciiString(void);
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/**
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* Generates random null-terminated string. The maximum length for
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* the string is defined by the maxLength parameter.
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* String can contain ASCII characters from 32 to 126.
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*
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* Note: Returned string needs to be deallocated.
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*
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* \param maxLength The maximum length of the generated string.
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*
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* \returns a newly allocated random string; or NULL if maxLength was invalid or string could not be allocated.
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*/
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char * SDLTest_RandomAsciiStringWithMaximumLength(int maxLength);
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/**
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* Generates random null-terminated string. The length for
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* the string is defined by the size parameter.
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* String can contain ASCII characters from 32 to 126.
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*
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* Note: Returned string needs to be deallocated.
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*
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* \param size The length of the generated string
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*
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* \returns a newly allocated random string; or NULL if size was invalid or string could not be allocated.
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*/
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char * SDLTest_RandomAsciiStringOfSize(int size);
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/**
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* Get the invocation count for the fuzzer since last ...FuzzerInit.
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*
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* \returns the invocation count.
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*/
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int SDLTest_GetFuzzerInvocationCount(void);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#include "close_code.h"
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#endif /* SDL_test_fuzzer_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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