/
variator_common.c
executable file
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variator_common.c
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/* See COPYING.txt for the full license governing this code. */
/**
* \file variator_common.c
*
* Source file for some common functionality used by variators.
*/
#include <SDL_test.h>
#include "SDL_visualtest_variator_common.h"
int
SDLVisualTest_NextValue(SDLVisualTest_SUTOptionValue* var,
SDLVisualTest_SUTOption* opt)
{
if(!var)
{
SDLTest_LogError("var argument cannot be NULL");
return -1;
}
if(!opt)
{
SDLTest_LogError("opt argument cannot be NULL");
return -1;
}
switch(opt->type)
{
case SDL_SUT_OPTIONTYPE_BOOL:
if(var->bool_value)
{
var->bool_value = SDL_FALSE;
return 1;
}
else
{
var->bool_value = SDL_TRUE;
return 0;
}
break;
case SDL_SUT_OPTIONTYPE_ENUM:
var->enumerated.index++;
if(!opt->data.enum_values[var->enumerated.index])
{
var->enumerated.index = 0;
return 1;
}
return 0;
break;
case SDL_SUT_OPTIONTYPE_INT:
{
int increment = (opt->data.range.max - opt->data.range.min) /
SDL_SUT_INTEGER_OPTION_TEST_STEPS;
/* prevents infinite loop when rounding */
if(increment == 0)
increment = 1;
var->integer.value += increment;
if(var->integer.value > opt->data.range.max)
{
var->integer.value = opt->data.range.min;
return 1;
}
return 0;
}
break;
case SDL_SUT_OPTIONTYPE_STRING:
return 1;
break;
}
return -1;
}
int
SDLVisualTest_MakeStrFromVariation(SDLVisualTest_Variation* variation,
SDLVisualTest_SUTConfig* config,
char* buffer, int size)
{
int i, index;
SDLVisualTest_SUTOptionValue* vars;
SDLVisualTest_SUTOption* options;
if(!variation)
{
SDLTest_LogError("variation argument cannot be NULL");
return 0;
}
if(!config)
{
SDLTest_LogError("config argument cannot be NULL");
return 0;
}
if(!buffer)
{
SDLTest_LogError("buffer argument cannot be NULL");
return 0;
}
if(size <= 0)
{
SDLTest_LogError("size argument should be positive");
return 0;
}
index = 0;
buffer[0] = '\0';
options = config->options;
vars = variation->vars;
for(i = 0; i < variation->num_vars; i++)
{
int n, enum_index;
if(index >= size - 1)
{
SDLTest_LogError("String did not fit in buffer size");
return 0;
}
switch(options[i].type)
{
case SDL_SUT_OPTIONTYPE_BOOL:
if(vars[i].bool_value)
{
n = SDL_snprintf(buffer + index, size - index, "%s ",
options[i].name);
if(n <= 0)
{
SDLTest_LogError("SDL_snprintf() failed");
return 0;
}
index += n;
}
break;
case SDL_SUT_OPTIONTYPE_ENUM:
if(vars[i].enumerated.on)
{
enum_index = vars[i].enumerated.index;
n = SDL_snprintf(buffer + index, size - index, "%s %s ",
options[i].name, options[i].data.enum_values[enum_index]);
index += n;
}
break;
case SDL_SUT_OPTIONTYPE_INT:
if(vars[i].integer.on)
{
n = SDL_snprintf(buffer + index, size - index, "%s %d ",
options[i].name, vars[i].integer.value);
index += n;
}
break;
case SDL_SUT_OPTIONTYPE_STRING:
if(vars[i].string.on)
{
n = SDL_snprintf(buffer + index, size - index, "%s %s ",
options[i].name, vars[i].string.value);
index += n;
}
break;
}
}
return 1;
}
int
SDLVisualTest_InitVariation(SDLVisualTest_Variation* variation,
SDLVisualTest_SUTConfig* config)
{
int i;
SDLVisualTest_SUTOptionValue* vars;
SDLVisualTest_SUTOption* options;
if(!variation)
{
SDLTest_LogError("variation argument cannot be NULL");
return 0;
}
if(!config)
{
SDLTest_LogError("config argument cannot be NULL");
return 0;
}
/* initialize the first variation */
if(config->num_options <= 0)
{
SDLTest_LogError("config->num_options must be positive");
return 0;
}
variation->vars = (SDLVisualTest_SUTOptionValue*)SDL_malloc(config->num_options *
sizeof(SDLVisualTest_SUTOptionValue));
if(!variation->vars)
{
SDLTest_LogError("malloc() failed");
return 0;
}
variation->num_vars = config->num_options;
vars = variation->vars;
options = config->options;
for(i = 0; i < variation->num_vars; i++)
{
switch(options[i].type)
{
case SDL_SUT_OPTIONTYPE_BOOL:
vars[i].bool_value = SDL_FALSE;
break;
case SDL_SUT_OPTIONTYPE_ENUM:
vars[i].enumerated.on = SDL_TRUE;
vars[i].enumerated.index = 0;
break;
case SDL_SUT_OPTIONTYPE_INT:
{
vars[i].integer.on = SDL_TRUE;
vars[i].integer.value = options[i].data.range.min;
}
break;
case SDL_SUT_OPTIONTYPE_STRING:
vars[i].string.on = SDL_TRUE;
vars[i].string.value = options[i].name;
break;
}
}
return 1;
}