mirror of https://github.com/encounter/SDL.git
132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
/* See COPYING.txt for the full license governing this code. */
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/**
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* \file variator_exhaustive.c
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*
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* Source file for the variator that tests the SUT with all the different
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* variations of input parameters that are valid.
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*/
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#include <time.h>
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#include <SDL_test.h>
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#include "SDL_visualtest_sut_configparser.h"
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#include "SDL_visualtest_exhaustive_variator.h"
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static int
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NextVariation(SDLVisualTest_Variation* variation,
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SDLVisualTest_SUTConfig* config)
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{
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int i, carry;
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if(!variation)
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{
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SDLTest_LogError("variation argument cannot be NULL");
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return -1;
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}
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if(!config)
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{
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SDLTest_LogError("config argument cannot be NULL");
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return -1;
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}
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carry = 1;
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for(i = 0; i < variation->num_vars; i++)
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{
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carry = SDLVisualTest_NextValue(&variation->vars[i], &config->options[i]);
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if(carry != 1)
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break;
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}
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if(carry == 1) /* we're done, we've tried all possible variations */
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return 0;
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if(carry == 0)
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return 1;
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SDLTest_LogError("NextVariation() failed");
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return -1;
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}
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int
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SDLVisualTest_InitExhaustiveVariator(SDLVisualTest_ExhaustiveVariator* variator,
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SDLVisualTest_SUTConfig* config)
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{
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if(!variator)
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{
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SDLTest_LogError("variator argument cannot be NULL");
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return 0;
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}
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if(!config)
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{
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SDLTest_LogError("config argument cannot be NULL");
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return 0;
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}
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SDLTest_FuzzerInit(time(NULL));
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variator->config = *config;
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variator->variation.num_vars = 0;
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variator->variation.vars = NULL;
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return 1;
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}
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/* TODO: Right now variations where an option is not specified at all are not
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tested for. This can be implemented by switching the on attribute for integer,
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enum and string options to true and false. */
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char*
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SDLVisualTest_GetNextExhaustiveVariation(SDLVisualTest_ExhaustiveVariator* variator)
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{
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int success;
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if(!variator)
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{
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SDLTest_LogError("variator argument cannot be NULL");
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return NULL;
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}
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if(!variator->variation.vars) /* the first time this function is called */
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{
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success = SDLVisualTest_InitVariation(&variator->variation,
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&variator->config);
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if(!success)
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{
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SDLTest_LogError("SDLVisualTest_InitVariation() failed");
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return NULL;
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}
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success = SDLVisualTest_MakeStrFromVariation(&variator->variation,
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&variator->config, variator->buffer, MAX_SUT_ARGS_LEN);
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if(!success)
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{
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SDLTest_LogError("SDLVisualTest_MakeStrFromVariation() failed");
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return NULL;
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}
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return variator->buffer;
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}
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else
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{
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success = NextVariation(&variator->variation, &variator->config);
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if(success == 1)
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{
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success = SDLVisualTest_MakeStrFromVariation(&variator->variation,
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&variator->config, variator->buffer, MAX_SUT_ARGS_LEN);
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if(!success)
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{
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SDLTest_LogError("SDLVisualTest_MakeStrFromVariation() failed");
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return NULL;
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}
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return variator->buffer;
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}
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else if(success == -1)
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SDLTest_LogError("NextVariation() failed.");
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return NULL;
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}
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return NULL;
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}
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void
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SDLVisualTest_FreeExhaustiveVariator(SDLVisualTest_ExhaustiveVariator* variator)
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{
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if(!variator)
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{
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SDLTest_LogError("variator argument cannot be NULL");
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return;
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}
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SDL_free(variator->variation.vars);
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variator->variation.vars = NULL;
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} |