🛠️🐜 Antkeeper superbuild with dependencies included
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113 lines
3.0 KiB
113 lines
3.0 KiB
/* See LICENSE.txt for the full license governing this code. */
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/**
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* \file variator_random.c
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*
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* Source file for the variator that tests the SUT with random variations to the
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* input parameters.
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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_random_variator.h"
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int
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SDLVisualTest_InitRandomVariator(SDLVisualTest_RandomVariator* variator,
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SDLVisualTest_SUTConfig* config, Uint64 seed)
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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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if(seed)
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SDLTest_FuzzerInit(seed);
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else
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SDLTest_FuzzerInit(time(NULL));
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variator->config = *config;
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if(!SDLVisualTest_InitVariation(&variator->variation, &variator->config))
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{
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SDLTest_LogError("SDLVisualTest_InitVariation() failed");
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return 0;
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}
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return 1;
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}
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char*
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SDLVisualTest_GetNextRandomVariation(SDLVisualTest_RandomVariator* variator)
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{
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SDLVisualTest_SUTOptionValue* vars;
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SDLVisualTest_SUTOption* options;
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int i;
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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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/* to save typing */
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vars = variator->variation.vars;
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options = variator->config.options;
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/* generate a random variation */
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for(i = 0; i < variator->variation.num_vars; i++)
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{
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switch(options[i].type)
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{
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case SDL_SUT_OPTIONTYPE_BOOL:
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vars[i].bool_value = SDLTest_RandomIntegerInRange(0, 1) ? SDL_FALSE :
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SDL_TRUE;
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break;
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case SDL_SUT_OPTIONTYPE_ENUM:
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{
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int emx = 0;
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while(options[i].data.enum_values[emx])
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emx++;
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vars[i].enumerated.index = SDLTest_RandomIntegerInRange(0, emx - 1);
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}
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break;
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case SDL_SUT_OPTIONTYPE_INT:
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vars[i].integer.value = SDLTest_RandomIntegerInRange(
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options[i].data.range.min,
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options[i].data.range.max);
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break;
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case SDL_SUT_OPTIONTYPE_STRING:
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// String values are left unchanged
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break;
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}
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}
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/* convert variation to an arguments string */
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if(!SDLVisualTest_MakeStrFromVariation(&variator->variation, &variator->config,
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variator->buffer, MAX_SUT_ARGS_LEN))
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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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void SDLVisualTest_FreeRandomVariator(SDLVisualTest_RandomVariator* 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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}
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